diff --git a/docs/src/problem.md b/docs/src/problem.md
index 0e74bdc..7521cd8 100644
--- a/docs/src/problem.md
+++ b/docs/src/problem.md
@@ -49,33 +49,35 @@ The mathematical model employed by RELOG is based on three main components:
 
 ## Constants
 
-| Symbol                      | Description                                                                                                                                                                                                      | Unit           |
-| :-------------------------- | :--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | :------------- |
-| $K^{\text{dist}}_{uv}$      | Distance between plants/centers $u$ and $v$                                                                                                                                                                      | km             |
-| $K^\text{cap-init}_p$       | Initial capacity of plant $p$                                                                                                                                                                                    | tonne          |
-| $K^\text{cap-max}_p$        | Maximum capacity of plant $p$                                                                                                                                                                                    | tonne          |
-| $K^\text{cap-min}_p$        | Minimum capacity of plant $p$                                                                                                                                                                                    | tonne          |
-| $K^\text{disp-limit}_{mt}$  | Maximum amount of material $m$ that can be disposed of (globally) at time $t$                                                                                                                                    | tonne          |
-| $K^\text{disp-limit}_{mut}$ | Maximum amount of material $m$ that can be disposed of at plant/center $u$ at time $t$                                                                                                                           | tonne          |
-| $K^\text{em-limit}_{gt}$    | Maximum amount of greenhouse gas $g$ allowed to be emitted (globally) at time $t$                                                                                                                                | tonne          |
-| $K^\text{em-plant}_{gpt}$   | Amount of greenhouse gas $g$ released by plant $p$ at time $t$ for each tonne of input material processed                                                                                                        | tonne/tonne    |
-| $K^\text{em-tr}_{gmt}$      | Amount of greenhouse gas $g$ released by transporting 1 tonne of material $m$ over one km at time $t$                                                                                                            | tonne/km-tonne |
-| $K^\text{mix}_{pmt}$        | If plant $p$ receives one tonne of input material at time $t$, then $K^\text{mix}_{pmt}$ is the amount of product $m$ in this mix. Must be between zero and one, and the sum of these amounts must equal to one. | tonne          |
-| $K^\text{out-fix}_{cmt}$    | Fixed amount of material $m$ collected at center $c$ at time $t$                                                                                                                                                 | tonne          |
-| $K^\text{out-var-len}_{cm}$ | Length of the $K^\text{out-var}_{c,m,*}$ vector.                                                                                                                                                                 | --             |
-| $K^\text{out-var}_{cmi}$    | Factor used to calculate variable amount of material $m$ collected at center $c$. See `eq_z_collected` for more details.                                                                                         | --             |
-| $K^\text{output}_{pmt}$     | Amount of material $m$ produced by plant $p$ at time $t$ for each tonne of input material processed                                                                                                              | tonne          |
-| $R^\text{collect}_{cmt}$    | Cost of collecting material $m$ at center $c$ at time $t$                                                                                                                                                        | \$/tonne       |
-| $R^\text{disp}_{umt}$       | Cost to dispose of material at plant/center $u$ at time $t$                                                                                                                                                      | \$/tonne       |
-| $R^\text{em}_{gt}$          | Penalty cost per tonne of greenhouse gas $g$ emitted at time $t$                                                                                                                                                 | \$/tonne       |
-| $R^\text{expand}_{pt}$      | Cost to increase capacity of plant $p$ at time $t$                                                                                                                                                               | \$/tonne       |
-| $R^\text{fix}_{ct}$         | Fixed operating cost for center $c$ at time $t$                                                                                                                                                                  | \$             |
-| $R^\text{fix-min}_{pt}$     | Fixed operating cost for plant $p$ at time $t$ at minimum capacity                                                                                                                                               | \$             |
-| $R^\text{fix-exp}_{pt}$     | Increase in fixed operational cost for plant $p$ at time $t$ for every additional tonne of capacity                                                                                                              | \$/tonne       |
-| $R^\text{open}_{pt}$        | Cost to open plant $p$ at time $t$, at minimum capacity                                                                                                                                                          | \$             |
-| $R^\text{rev}_{ct}$         | Revenue for selling the input product of center $c$ at this center at time $t$                                                                                                                                   | \$/tonne       |
-| $R^\text{tr}_{mt}$          | Cost to send material $m$ at time $t$                                                                                                                                                                            | \$/km-tonne    |
-| $R^\text{var}_{pt}$         | Cost to process one tonne of input material at plant $p$ at time $t$                                                                                                                                             | \$/tonne       |
+| Symbol                        | Description                                                                                                                                                                                                      | Unit           |
+| :---------------------------- | :--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | :------------- |
+| $K^{\text{dist}}_{uv}$        | Distance between plants/centers $u$ and $v$                                                                                                                                                                      | km             |
+| $K^\text{cap-init}_p$         | Initial capacity of plant $p$                                                                                                                                                                                    | tonne          |
+| $K^\text{cap-max}_p$          | Maximum capacity of plant $p$                                                                                                                                                                                    | tonne          |
+| $K^\text{cap-min}_p$          | Minimum capacity of plant $p$                                                                                                                                                                                    | tonne          |
+| $K^\text{disp-limit}_{mt}$    | Maximum amount of material $m$ that can be disposed of (globally) at time $t$                                                                                                                                    | tonne          |
+| $K^\text{disp-limit}_{mut}$   | Maximum amount of material $m$ that can be disposed of at plant/center $u$ at time $t$                                                                                                                           | tonne          |
+| $K^\text{em-limit}_{gt}$      | Maximum amount of greenhouse gas $g$ allowed to be emitted (globally) at time $t$                                                                                                                                | tonne          |
+| $K^\text{em-plant}_{gpt}$     | Amount of greenhouse gas $g$ released by plant $p$ at time $t$ for each tonne of input material processed                                                                                                        | tonne/tonne    |
+| $K^\text{em-tr}_{gmt}$        | Amount of greenhouse gas $g$ released by transporting 1 tonne of material $m$ over one km at time $t$                                                                                                            | tonne/km-tonne |
+| $K^\text{mix}_{pmt}$          | If plant $p$ receives one tonne of input material at time $t$, then $K^\text{mix}_{pmt}$ is the amount of product $m$ in this mix. Must be between zero and one, and the sum of these amounts must equal to one. | tonne          |
+| $K^\text{out-fix}_{cmt}$      | Fixed amount of material $m$ collected at center $c$ at time $t$                                                                                                                                                 | tonne          |
+| $K^\text{out-var-len}_{cm}$   | Length of the $K^\text{out-var}_{c,m,*}$ vector.                                                                                                                                                                 | --             |
+| $K^\text{out-var}_{cmi}$      | Factor used to calculate variable amount of material $m$ collected at center $c$. See `eq_z_collected` for more details.                                                                                         | --             |
+| $K^\text{output}_{pmt}$       | Amount of material $m$ produced by plant $p$ at time $t$ for each tonne of input material processed                                                                                                              | tonne          |
+| $K^\text{storage-limit}_{pm}$ | Maximum amount of material $m$ that can be stored at plant $p$ at any time                                                                                                                                       | tonne          |
+| $R^\text{collect}_{cmt}$      | Cost of collecting material $m$ at center $c$ at time $t$                                                                                                                                                        | \$/tonne       |
+| $R^\text{disp}_{umt}$         | Cost to dispose of material at plant/center $u$ at time $t$                                                                                                                                                      | \$/tonne       |
+| $R^\text{em}_{gt}$            | Penalty cost per tonne of greenhouse gas $g$ emitted at time $t$                                                                                                                                                 | \$/tonne       |
+| $R^\text{expand}_{pt}$        | Cost to increase capacity of plant $p$ at time $t$                                                                                                                                                               | \$/tonne       |
+| $R^\text{fix-exp}_{pt}$       | Increase in fixed operational cost for plant $p$ at time $t$ for every additional tonne of capacity                                                                                                              | \$/tonne       |
+| $R^\text{fix-min}_{pt}$       | Fixed operating cost for plant $p$ at time $t$ at minimum capacity                                                                                                                                               | \$             |
+| $R^\text{fix}_{ct}$           | Fixed operating cost for center $c$ at time $t$                                                                                                                                                                  | \$             |
+| $R^\text{open}_{pt}$          | Cost to open plant $p$ at time $t$, at minimum capacity                                                                                                                                                          | \$             |
+| $R^\text{rev}_{ct}$           | Revenue for selling the input product of center $c$ at this center at time $t$                                                                                                                                   | \$/tonne       |
+| $R^\text{storage}_{pmt}$      | Cost to store one tonne of material $m$ at plant $p$ at time $t$ for one year                                                                                                                                    | \$/tonne       |
+| $R^\text{tr}_{mt}$            | Cost to send material $m$ at time $t$                                                                                                                                                                            | \$/km-tonne    |
+| $R^\text{var}_{pt}$           | Cost to process one tonne of input material at plant $p$ at time $t$                                                                                                                                             | \$/tonne       |
 
 ## Decision variables
 
@@ -88,8 +90,10 @@ The mathematical model employed by RELOG is based on three main components:
 | $z^{\text{disp}}_{umt}$      | `z_disp[u.name, m.name, t]`                  | Amount of product $m$ disposed of at plant/center $u$ at time $t$                                       | tonne  |
 | $z^{\text{em-plant}}_{gpt}$  | `z_em_plant[g.name, p.name, t]`              | Amount of greenhouse gas $g$ released by plant $p$ at time $t$                                          | tonne  |
 | $z^{\text{em-tr}}_{guvmt}$   | `z_em_tr[g.name, u.name, v.name, m.name, t]` | Amount of greenhouse gas $g$ released at time $t$ due to transportation of material $m$ from $u$ to $v$ | tonne  |
-| $z^{\text{input}}_{ut}$      | `z_input[u.name, t]`                         | Total plant/center input at time $t$                                                                    | tonne  |
+| $z^{\text{input}}_{ut}$      | `z_input[u.name, t]`                         | Total amount received by plant/center $u$ at time $t$                                                   | tonne  |
 | $z^{\text{prod}}_{umt}$      | `z_prod[u.name, m.name, t]`                  | Amount of product $m$ produced by plant/center $u$ at time $t$                                          | tonne  |
+| $z^{\text{storage}}_{pmt}$   | `z_storage[p.name, m.name, t]`               | Amount of input material $m$ stored at plant $p$ at the end of time $t$                                 | tonne  |
+| $z^{\text{process}}_{pt}$    | `z_process[p.name, t]`                       | Total amount of input material processed by plant $p$ at time $t$                                       | tonne  |
 
 ## Objective function
 
@@ -171,6 +175,12 @@ The goal is to minimize a linear objective function with the following terms:
 \sum_{p \in P} \sum_{(u,m) \in E^-(p)} \sum_{t \in T} R^\text{var}_{pt} y_{upmt}
 ```
 
+- Plant storage cost, incurred for each tonne of material stored at the plant:
+
+```math
+\sum_{p \in P} \sum_{m \in M^-_p} \sum_{t \in T} R^\text{storage}_{pmt} z^{\text{storage}}_{pmt}
+```
+
 - Emissions penalty cost, incurred for each tonne of greenhouse gas emitted:
 
 ```math
@@ -190,13 +200,22 @@ The goal is to minimize a linear objective function with the following terms:
 \end{align*}
 ```
 
-- Plant input mix must have correct proportion
-  (`eq_input_mix[p.name, m.name, t]`):
+- Definition of plant processing (`eq_z_process[p.name, t]`):
 
 ```math
 \begin{align*}
-& \sum_{u : (u,m) \in E^-(p)} y_{upmt}
-= K^\text{mix}_{pmt} z^{\text{input}}_{pt}
+& z^{\text{process}}_{pt} = z^{\text{input}}_{pt} + \sum_{m \in M^-_p} \left(z^{\text{storage}}_{p,m,t-1} - z^{\text{storage}}_{pmt}\right)
+& \forall p \in P, t \in T
+\end{align*}
+```
+
+- Plant processing mix must have correct proportion
+  (`eq_process_mix[p.name, m.name, t]`):
+
+```math
+\begin{align*}
+& \sum_{u : (u,m) \in E^-(p)} y_{upmt} + z^{\text{storage}}_{p,m,t-1} - z^{\text{storage}}_{pmt}
+= K^\text{mix}_{pmt} z^{\text{process}}_{pt}
 & \forall p \in P, m \in M^-_p, t \in T
 \end{align*}
 ```
@@ -205,7 +224,7 @@ The goal is to minimize a linear objective function with the following terms:
 
 ```math
 \begin{align*}
-& z^\text{prod}_{pmt} = K^\text{output}_{pmt} z^\text{input}_{pt}
+& z^\text{prod}_{pmt} = K^\text{output}_{pmt} z^{\text{process}}_{pt}
 & \forall p \in P, m \in M^+_p, t \in T
 \end{align*}
 ```
@@ -220,7 +239,8 @@ The goal is to minimize a linear objective function with the following terms:
 \end{align*}
 ```
 
-- Plant can only be expanded if the plant is open, and up to a certain amount (`eq_exp_ub[p.name, t]`):
+- Plant can only be expanded if the plant is open, and up to a certain amount
+  (`eq_exp_ub[p.name, t]`):
 
 ```math
 \begin{align*}
@@ -251,15 +271,24 @@ The goal is to minimize a linear objective function with the following terms:
 ```
 
 - Plants cannot process more than their current capacity
-  (`eq_input_limit[p.name,t]`)
+  (`eq_process_limit[p.name,t]`)
 
 ```math
 \begin{align*}
-& z^\text{input}_{pt} \leq K^\text{cap-min}_p x_{pt} + z^\text{exp}_{pt}
+& z^\text{process}_{pt} \leq K^\text{cap-min}_p x_{pt} + z^\text{exp}_{pt}
 & \forall p \in P, t \in T
 \end{align*}
 ```
 
+- Storage limit at the plants (`eq_storage_limit[p.name, m.name, t]`):
+
+```math
+\begin{align*}
+& z^{\text{storage}}_{pmt} \leq K^\text{storage-limit}_{pm}
+& \forall p \in P, m \in M^-_p, t \in T
+\end{align*}
+```
+
 - Disposal limit at the plants (`eq_disposal_limit[p.name, m.name, t]`):
 
 ```math
@@ -343,7 +372,7 @@ The goal is to minimize a linear objective function with the following terms:
 
 ```math
 \begin{align*}
-& z^{\text{em-plant}}_{gpt} = K^\text{em-plant}_{gpt} z^{\text{input}}_{pt}
+& z^{\text{em-plant}}_{gpt} = K^\text{em-plant}_{gpt} z^{\text{process}}_{pt}
 & \forall g \in G, p \in P, t \in T
 \end{align*}
 ```
@@ -356,3 +385,22 @@ The goal is to minimize a linear objective function with the following terms:
 & \forall g \in G, t \in T
 \end{align*}
 ```
+
+- All stored materials must be processed by the end of the time horizon
+  (`eq_storage_final[p.name, m.name]`):
+
+```math
+\begin{align*}
+& z^{\text{storage}}_{p,m,t^{max}} = 0
+& \forall p \in P, m \in M^-_p
+\end{align*}
+```
+
+- Initial storage is zero (`eq_storage_initial[p.name, m.name]`):
+
+```math
+\begin{align*}
+& z^{\text{storage}}_{p,m,0} = 0
+& \forall p \in P, m \in M^-_p
+\end{align*}
+```
diff --git a/src/RELOG.jl b/src/RELOG.jl
index 82d1d52..8be986a 100644
--- a/src/RELOG.jl
+++ b/src/RELOG.jl
@@ -1,6 +1,12 @@
 module RELOG
 
-_round(x::Number) = round(x, digits = 5)
+function _round(x::Number)
+    if abs(x) < 1e-5
+        return 0
+    else
+        return round(x, digits = 5)
+    end
+end
 
 include("instance/structs.jl")
 include("instance/parse.jl")
diff --git a/src/model/build.jl b/src/model/build.jl
index 9106ed5..e42870e 100644
--- a/src/model/build.jl
+++ b/src/model/build.jl
@@ -148,6 +148,23 @@ function build_model(instance::Instance; optimizer, variable_names::Bool = false
         z_collected[c.name, m.name, t] = @variable(model, lower_bound = 0)
     end
 
+    # Amount of input material stored at plant at end of time period
+    z_storage = _init(model, :z_storage)
+    for p in plants
+        for m in keys(p.input_mix)
+            z_storage[p.name, m.name, 0] = 0  # Initial storage is zero
+        end
+    end
+    for p in plants, m in keys(p.input_mix), t in T
+        z_storage[p.name, m.name, t] = @variable(model, lower_bound = 0)
+    end
+
+    # Total amount of input material processed by plant
+    z_process = _init(model, :z_process)
+    for p in plants, t in T
+        z_process[p.name, t] = @variable(model, lower_bound = 0)
+    end
+
     # Transportation emissions by greenhouse gas
     z_em_tr = _init(model, :z_em_tr)
     for (p1, p2, m) in E, t in T, g in keys(m.tr_emissions)
@@ -224,6 +241,11 @@ function build_model(instance::Instance; optimizer, variable_names::Bool = false
         )
     end
 
+    # Plants: Storage cost
+    for p in plants, m in keys(p.storage_cost), t in T
+        add_to_expression!(obj, p.storage_cost[m][t], z_storage[p.name, m.name, t])
+    end
+
     # Emissions penalty cost
     for emission in instance.emissions, t in T
         # Plant emissions penalty
@@ -263,13 +285,27 @@ function build_model(instance::Instance; optimizer, variable_names::Bool = false
         )
     end
 
-    # Plants: Must meet input mix
-    eq_input_mix = _init(model, :eq_input_mix)
+    # Plants: Definition of total processing amount
+    eq_z_process = _init(model, :eq_z_process)
+    for p in plants, t in T
+        eq_z_process[p.name, t] = @constraint(
+            model,
+            z_process[p.name, t] == z_input[p.name, t] +
+            sum(
+                z_storage[p.name, m.name, t-1] - z_storage[p.name, m.name, t]
+                for m in keys(p.input_mix)
+            )
+        )
+    end
+
+    # Plants: Processing mix must have correct proportion
+    eq_process_mix = _init(model, :eq_process_mix)
     for p in plants, m in keys(p.input_mix), t in T
-        eq_input_mix[p.name, m.name, t] = @constraint(
+        eq_process_mix[p.name, m.name, t] = @constraint(
             model,
-            sum(y[src.name, p.name, m.name, t] for (src, m2) in E_in[p] if m == m2) ==
-            z_input[p.name, t] * p.input_mix[m][t]
+            sum(y[src.name, p.name, m.name, t] for (src, m2) in E_in[p] if m == m2) +
+            z_storage[p.name, m.name, t-1] - z_storage[p.name, m.name, t] ==
+            z_process[p.name, t] * p.input_mix[m][t]
         )
     end
 
@@ -278,7 +314,7 @@ function build_model(instance::Instance; optimizer, variable_names::Bool = false
     for p in plants, m in keys(p.output), t in T
         eq_z_prod[p.name, m.name, t] = @constraint(
             model,
-            z_prod[p.name, m.name, t] == z_input[p.name, t] * p.output[m][t]
+            z_prod[p.name, m.name, t] == z_process[p.name, t] * p.output[m][t]
         )
     end
 
@@ -302,12 +338,12 @@ function build_model(instance::Instance; optimizer, variable_names::Bool = false
         )
     end
 
-    # Plants: Input limit
-    eq_input_limit = _init(model, :eq_input_limit)
+    # Plants: Processing limit
+    eq_process_limit = _init(model, :eq_process_limit)
     for p in plants, t in T
-        eq_input_limit[p.name, t] = @constraint(
+        eq_process_limit[p.name, t] = @constraint(
             model,
-            z_input[p.name, t] <= K_cap_min[p] * x[p.name, t] + z_exp[p.name, t]
+            z_process[p.name, t] <= K_cap_min[p] * x[p.name, t] + z_exp[p.name, t]
         )
     end
 
@@ -404,7 +440,27 @@ function build_model(instance::Instance; optimizer, variable_names::Bool = false
     for p in plants, t in T, g in keys(p.emissions)
         eq_emission_plant[g, p.name, t] = @constraint(
             model,
-            z_em_plant[g, p.name, t] == p.emissions[g][t] * z_input[p.name, t]
+            z_em_plant[g, p.name, t] == p.emissions[g][t] * z_process[p.name, t]
+        )
+    end
+
+    # Storage limit at plants
+    eq_storage_limit = _init(model, :eq_storage_limit)
+    for p in plants, m in keys(p.storage_limit), t in T
+        if isfinite(p.storage_limit[m][t])
+            eq_storage_limit[p.name, m.name, t] = @constraint(
+                model,
+                z_storage[p.name, m.name, t] <= p.storage_limit[m][t]
+            )
+        end
+    end
+
+    # All stored materials must be processed by end of time horizon
+    eq_storage_final = _init(model, :eq_storage_final)
+    for p in plants, m in keys(p.input_mix)
+        eq_storage_final[p.name, m.name] = @constraint(
+            model,
+            z_storage[p.name, m.name, instance.time_horizon] == 0
         )
     end
 
diff --git a/src/reports/plants.jl b/src/reports/plants.jl
index 9039b77..d69b03d 100644
--- a/src/reports/plants.jl
+++ b/src/reports/plants.jl
@@ -15,10 +15,13 @@ function plants_report(model)::DataFrame
     df."year" = Int[]
     df."operational?" = Bool[]
     df."input amount (tonne)" = Float64[]
+    df."stored amount (tonne)" = Float64[]
+    df."processed amount (tonne)" = Float64[]
     df."opening cost (\$)" = Float64[]
     df."fixed operating cost (\$)" = Float64[]
     df."variable operating cost (\$)" = Float64[]
     df."expansion cost (\$)" = Float64[]
+    df."storage cost (\$)" = Float64[]
 
     plants = model.ext[:instance].plants
     T = 1:model.ext[:instance].time_horizon
@@ -26,6 +29,17 @@ function plants_report(model)::DataFrame
     for p in plants, t in T
         operational = JuMP.value(model[:x][p.name, t]) > 0.5
         input = value(model[:z_input][p.name, t])
+        processed = value(model[:z_process][p.name, t])
+
+        # Calculate total stored amount across all input materials
+        stored = sum(value(model[:z_storage][p.name, m.name, t]) for m in keys(p.input_mix))
+
+        # Calculate total storage cost
+        storage_cost = sum(
+            p.storage_cost[m][t] * value(model[:z_storage][p.name, m.name, t])
+            for m in keys(p.storage_cost)
+        )
+
         var_operating_cost = input * p.capacities[1].var_operating_cost[t]
         opening_cost = 0
         curr_capacity = 0
@@ -56,10 +70,53 @@ function plants_report(model)::DataFrame
                 "year" => t,
                 "operational?" => operational,
                 "input amount (tonne)" => _round(input),
+                "stored amount (tonne)" => _round(stored),
+                "processed amount (tonne)" => _round(processed),
                 "opening cost (\$)" => _round(opening_cost),
                 "fixed operating cost (\$)" => _round(fix_operating_cost),
                 "variable operating cost (\$)" => _round(var_operating_cost),
                 "expansion cost (\$)" => _round(expansion_cost),
+                "storage cost (\$)" => _round(storage_cost),
+            ),
+        )
+    end
+    return df
+end
+
+function plant_inputs_report(model)::DataFrame
+    df = DataFrame()
+    df."plant" = String[]
+    df."latitude" = Float64[]
+    df."longitude" = Float64[]
+    df."input product" = String[]
+    df."year" = Int[]
+    df."amount received (tonne)" = Float64[]
+    df."current storage level (tonne)" = Float64[]
+    df."storage limit (tonne)" = Float64[]
+    df."storage cost (\$)" = Float64[]
+
+    plants = model.ext[:instance].plants
+    T = 1:model.ext[:instance].time_horizon
+
+    for p in plants, m in keys(p.input_mix), t in T
+        amount_received = sum(
+            value(model[:y][src.name, p.name, m.name, t])
+            for (src, prod) in model.ext[:E_in][p] if prod == m
+        )
+        storage_level = value(model[:z_storage][p.name, m.name, t])
+        storage_cost = p.storage_cost[m][t] * storage_level
+        push!(
+            df,
+            Dict(
+                "plant" => p.name,
+                "latitude" => p.latitude,
+                "longitude" => p.longitude,
+                "input product" => m.name,
+                "year" => t,
+                "amount received (tonne)" => _round(amount_received),
+                "current storage level (tonne)" => _round(storage_level),
+                "storage limit (tonne)" => _round(p.storage_limit[m][t]),
+                "storage cost (\$)" => _round(storage_cost),
             ),
         )
     end
@@ -110,7 +167,7 @@ function plant_emissions_report(model)::DataFrame
     df."longitude" = Float64[]
     df."emission" = String[]
     df."year" = Int[]
-    df."input amount (tonne)" = Float64[]
+    df."processed amount (tonne)" = Float64[]
     df."emission factor (tonne/tonne)" = Float64[]
     df."emissions amount (tonne)" = Float64[]
 
@@ -118,8 +175,8 @@ function plant_emissions_report(model)::DataFrame
     T = 1:model.ext[:instance].time_horizon
 
     for p in plants, t in T, g in keys(p.emissions)
-        input_amount = JuMP.value(model[:z_input][p.name, t])
-        input_amount > 1e-3 || continue
+        processed_amount = JuMP.value(model[:z_process][p.name, t])
+        processed_amount > 1e-3 || continue
         emissions = JuMP.value(model[:z_em_plant][g, p.name, t])
         emission_factor = p.emissions[g][t]
         push!(
@@ -130,7 +187,7 @@ function plant_emissions_report(model)::DataFrame
                 "longitude" => p.longitude,
                 "emission" => g,
                 "year" => t,
-                "input amount (tonne)" => _round(input_amount),
+                "processed amount (tonne)" => _round(processed_amount),
                 "emission factor (tonne/tonne)" => _round(emission_factor),
                 "emissions amount (tonne)" => _round(emissions),
             ),
@@ -140,6 +197,7 @@ function plant_emissions_report(model)::DataFrame
 end
 
 write_plants_report(solution, filename) = CSV.write(filename, plants_report(solution))
+write_plant_inputs_report(solution, filename) = CSV.write(filename, plant_inputs_report(solution))
 write_plant_outputs_report(solution, filename) =
     CSV.write(filename, plant_outputs_report(solution))
 write_plant_emissions_report(solution, filename) =
diff --git a/test/fixtures/boat_example.jl b/test/fixtures/boat_example.jl
index c8bb623..b503aed 100644
--- a/test/fixtures/boat_example.jl
+++ b/test/fixtures/boat_example.jl
@@ -173,6 +173,7 @@ function run_boat_example()
     mkpath(fixture("boat_example"))
     write_to_file(model, fixture("boat_example/model.lp"))
     RELOG.write_plants_report(model, fixture("boat_example/plants.csv"))
+    RELOG.write_plant_inputs_report(model, fixture("boat_example/plant_inputs.csv"))
     RELOG.write_plant_outputs_report(model, fixture("boat_example/plant_outputs.csv"))
     RELOG.write_plant_emissions_report(model, fixture("boat_example/plant_emissions.csv"))
     RELOG.write_centers_report(model, fixture("boat_example/centers.csv"))
diff --git a/test/fixtures/boat_example/center_outputs.csv b/test/fixtures/boat_example/center_outputs.csv
index b13d9cf..300ae58 100644
--- a/test/fixtures/boat_example/center_outputs.csv
+++ b/test/fixtures/boat_example/center_outputs.csv
@@ -45,9 +45,9 @@ Retail (Los Angeles),34.052235,-118.243683,UsedBoat,3,0.0,0.0,0.0,0.0,0.0
 Retail (Los Angeles),34.052235,-118.243683,UsedBoat,4,0.0,0.0,0.0,0.0,0.0
 Retail (Los Angeles),34.052235,-118.243683,UsedBoat,5,0.0,0.0,0.0,0.0,0.0
 Retail (Houston),29.760427,-95.369804,UsedBoat,1,0.0,0.0,0.0,0.0,0.0
-Retail (Houston),29.760427,-95.369804,UsedBoat,2,-0.0,0.0,0.0,-0.0,0.0
-Retail (Houston),29.760427,-95.369804,UsedBoat,3,-0.0,0.0,0.0,-0.0,0.0
-Retail (Houston),29.760427,-95.369804,UsedBoat,4,-0.0,0.0,0.0,-0.0,0.0
+Retail (Houston),29.760427,-95.369804,UsedBoat,2,0.0,0.0,0.0,0.0,0.0
+Retail (Houston),29.760427,-95.369804,UsedBoat,3,0.0,0.0,0.0,0.0,0.0
+Retail (Houston),29.760427,-95.369804,UsedBoat,4,0.0,0.0,0.0,0.0,0.0
 Retail (Houston),29.760427,-95.369804,UsedBoat,5,0.0,0.0,0.0,0.0,0.0
 Retail (Phoenix),33.448376,-112.074036,UsedBoat,1,0.0,0.0,0.0,0.0,0.0
 Retail (Phoenix),33.448376,-112.074036,UsedBoat,2,0.0,0.0,0.0,0.0,0.0
diff --git a/test/fixtures/boat_example/centers.csv b/test/fixtures/boat_example/centers.csv
index 7373458..45895ca 100644
--- a/test/fixtures/boat_example/centers.csv
+++ b/test/fixtures/boat_example/centers.csv
@@ -45,7 +45,7 @@ Retail (Los Angeles),34.052235,-118.243683,3,NewBoat,0.0,0.0,125000.0
 Retail (Los Angeles),34.052235,-118.243683,4,NewBoat,0.0,0.0,125000.0
 Retail (Los Angeles),34.052235,-118.243683,5,NewBoat,0.0,0.0,125000.0
 Retail (Houston),29.760427,-95.369804,1,NewBoat,0.0,0.0,125000.0
-Retail (Houston),29.760427,-95.369804,2,NewBoat,-0.0,-0.0,125000.0
+Retail (Houston),29.760427,-95.369804,2,NewBoat,0.0,0.0,125000.0
 Retail (Houston),29.760427,-95.369804,3,NewBoat,0.0,0.0,125000.0
 Retail (Houston),29.760427,-95.369804,4,NewBoat,0.0,0.0,125000.0
 Retail (Houston),29.760427,-95.369804,5,NewBoat,0.0,0.0,125000.0
diff --git a/test/fixtures/boat_example/plant_emissions.csv b/test/fixtures/boat_example/plant_emissions.csv
index 2602866..faf1cb4 100644
--- a/test/fixtures/boat_example/plant_emissions.csv
+++ b/test/fixtures/boat_example/plant_emissions.csv
@@ -1,4 +1,4 @@
-plant,latitude,longitude,emission,year,input amount (tonne),emission factor (tonne/tonne),emissions amount (tonne)
+plant,latitude,longitude,emission,year,processed amount (tonne),emission factor (tonne/tonne),emissions amount (tonne)
 BoatFactory (Dallas),32.776664,-96.796988,CO2,1,63.15789,5.0,315.78947
 BoatFactory (Dallas),32.776664,-96.796988,CO2,2,71.46814,5.0,357.34072
 BoatFactory (Dallas),32.776664,-96.796988,CO2,3,75.8857,5.0,379.42849
diff --git a/test/fixtures/boat_example/plant_inputs.csv b/test/fixtures/boat_example/plant_inputs.csv
new file mode 100644
index 0000000..32d264b
--- /dev/null
+++ b/test/fixtures/boat_example/plant_inputs.csv
@@ -0,0 +1,151 @@
+plant,latitude,longitude,input product,year,amount received (tonne),current storage level (tonne),storage limit (tonne),storage cost ($)
+BoatFactory (Chicago),41.881832,-87.623177,Wood,1,0.0,0.0,5.0,0.0
+BoatFactory (Chicago),41.881832,-87.623177,Wood,2,0.0,0.0,5.0,0.0
+BoatFactory (Chicago),41.881832,-87.623177,Wood,3,0.0,0.0,5.0,0.0
+BoatFactory (Chicago),41.881832,-87.623177,Wood,4,0.0,0.0,5.0,0.0
+BoatFactory (Chicago),41.881832,-87.623177,Wood,5,0.0,0.0,5.0,0.0
+BoatFactory (Chicago),41.881832,-87.623177,Nail,1,0.0,0.0,1.0,0.0
+BoatFactory (Chicago),41.881832,-87.623177,Nail,2,0.0,0.0,1.0,0.0
+BoatFactory (Chicago),41.881832,-87.623177,Nail,3,0.0,0.0,1.0,0.0
+BoatFactory (Chicago),41.881832,-87.623177,Nail,4,0.0,0.0,1.0,0.0
+BoatFactory (Chicago),41.881832,-87.623177,Nail,5,0.0,0.0,1.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,Wood,1,0.0,0.0,5.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,Wood,2,0.0,0.0,5.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,Wood,3,0.0,0.0,5.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,Wood,4,0.0,0.0,5.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,Wood,5,0.0,0.0,5.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,Nail,1,0.0,0.0,1.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,Nail,2,0.0,0.0,1.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,Nail,3,0.0,0.0,1.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,Nail,4,0.0,0.0,1.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,Nail,5,0.0,0.0,1.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,Wood,1,0.0,0.0,5.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,Wood,2,0.0,0.0,5.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,Wood,3,0.0,0.0,5.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,Wood,4,0.0,0.0,5.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,Wood,5,0.0,0.0,5.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,Nail,1,0.0,0.0,1.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,Nail,2,0.0,0.0,1.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,Nail,3,0.0,0.0,1.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,Nail,4,0.0,0.0,1.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,Nail,5,0.0,0.0,1.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,Wood,1,0.0,0.0,5.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,Wood,2,0.0,0.0,5.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,Wood,3,0.0,0.0,5.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,Wood,4,0.0,0.0,5.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,Wood,5,0.0,0.0,5.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,Nail,1,0.0,0.0,1.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,Nail,2,0.0,0.0,1.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,Nail,3,0.0,0.0,1.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,Nail,4,0.0,0.0,1.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,Nail,5,0.0,0.0,1.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,Wood,1,0.0,0.0,5.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,Wood,2,0.0,0.0,5.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,Wood,3,0.0,0.0,5.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,Wood,4,0.0,0.0,5.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,Wood,5,0.0,0.0,5.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,Nail,1,0.0,0.0,1.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,Nail,2,0.0,0.0,1.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,Nail,3,0.0,0.0,1.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,Nail,4,0.0,0.0,1.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,Nail,5,0.0,0.0,1.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,Wood,1,0.0,0.0,5.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,Wood,2,0.0,0.0,5.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,Wood,3,0.0,0.0,5.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,Wood,4,0.0,0.0,5.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,Wood,5,0.0,0.0,5.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,Nail,1,0.0,0.0,1.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,Nail,2,0.0,0.0,1.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,Nail,3,0.0,0.0,1.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,Nail,4,0.0,0.0,1.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,Nail,5,0.0,0.0,1.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,Wood,1,0.0,0.0,5.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,Wood,2,0.0,0.0,5.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,Wood,3,0.0,0.0,5.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,Wood,4,0.0,0.0,5.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,Wood,5,0.0,0.0,5.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,Nail,1,0.0,0.0,1.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,Nail,2,0.0,0.0,1.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,Nail,3,0.0,0.0,1.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,Nail,4,0.0,0.0,1.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,Nail,5,0.0,0.0,1.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,Wood,1,0.0,0.0,5.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,Wood,2,0.0,0.0,5.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,Wood,3,0.0,0.0,5.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,Wood,4,0.0,0.0,5.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,Wood,5,0.0,0.0,5.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,Nail,1,0.0,0.0,1.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,Nail,2,0.0,0.0,1.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,Nail,3,0.0,0.0,1.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,Nail,4,0.0,0.0,1.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,Nail,5,0.0,0.0,1.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,Wood,1,60.0,0.0,5.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,Wood,2,67.89474,0.0,5.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,Wood,3,72.09141,0.0,5.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,Wood,4,73.05912,0.0,5.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,Wood,5,73.40733,0.0,5.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,Nail,1,3.15789,0.0,1.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,Nail,2,3.57341,0.0,1.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,Nail,3,3.79428,0.0,1.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,Nail,4,3.84522,0.0,1.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,Nail,5,3.86354,0.0,1.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,Wood,1,0.0,0.0,5.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,Wood,2,0.0,0.0,5.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,Wood,3,0.0,0.0,5.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,Wood,4,0.0,0.0,5.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,Wood,5,0.0,0.0,5.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,Nail,1,0.0,0.0,1.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,Nail,2,0.0,0.0,1.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,Nail,3,0.0,0.0,1.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,Nail,4,0.0,0.0,1.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,Nail,5,0.0,0.0,1.0,0.0
+RecyclingPlant (Chicago),41.881832,-87.623177,UsedBoat,1,0.0,0.0,0.0,0.0
+RecyclingPlant (Chicago),41.881832,-87.623177,UsedBoat,2,0.0,0.0,0.0,0.0
+RecyclingPlant (Chicago),41.881832,-87.623177,UsedBoat,3,0.0,0.0,0.0,0.0
+RecyclingPlant (Chicago),41.881832,-87.623177,UsedBoat,4,0.0,0.0,0.0,0.0
+RecyclingPlant (Chicago),41.881832,-87.623177,UsedBoat,5,0.0,0.0,0.0,0.0
+RecyclingPlant (New York City),40.712776,-74.005974,UsedBoat,1,0.0,0.0,0.0,0.0
+RecyclingPlant (New York City),40.712776,-74.005974,UsedBoat,2,0.0,0.0,0.0,0.0
+RecyclingPlant (New York City),40.712776,-74.005974,UsedBoat,3,0.0,0.0,0.0,0.0
+RecyclingPlant (New York City),40.712776,-74.005974,UsedBoat,4,0.0,0.0,0.0,0.0
+RecyclingPlant (New York City),40.712776,-74.005974,UsedBoat,5,0.0,0.0,0.0,0.0
+RecyclingPlant (Los Angeles),34.052235,-118.243683,UsedBoat,1,0.0,0.0,0.0,0.0
+RecyclingPlant (Los Angeles),34.052235,-118.243683,UsedBoat,2,0.0,0.0,0.0,0.0
+RecyclingPlant (Los Angeles),34.052235,-118.243683,UsedBoat,3,0.0,0.0,0.0,0.0
+RecyclingPlant (Los Angeles),34.052235,-118.243683,UsedBoat,4,0.0,0.0,0.0,0.0
+RecyclingPlant (Los Angeles),34.052235,-118.243683,UsedBoat,5,0.0,0.0,0.0,0.0
+RecyclingPlant (Houston),29.760427,-95.369804,UsedBoat,1,0.0,0.0,0.0,0.0
+RecyclingPlant (Houston),29.760427,-95.369804,UsedBoat,2,0.0,0.0,0.0,0.0
+RecyclingPlant (Houston),29.760427,-95.369804,UsedBoat,3,0.0,0.0,0.0,0.0
+RecyclingPlant (Houston),29.760427,-95.369804,UsedBoat,4,0.0,0.0,0.0,0.0
+RecyclingPlant (Houston),29.760427,-95.369804,UsedBoat,5,0.0,0.0,0.0,0.0
+RecyclingPlant (Phoenix),33.448376,-112.074036,UsedBoat,1,0.0,0.0,0.0,0.0
+RecyclingPlant (Phoenix),33.448376,-112.074036,UsedBoat,2,0.0,0.0,0.0,0.0
+RecyclingPlant (Phoenix),33.448376,-112.074036,UsedBoat,3,0.0,0.0,0.0,0.0
+RecyclingPlant (Phoenix),33.448376,-112.074036,UsedBoat,4,0.0,0.0,0.0,0.0
+RecyclingPlant (Phoenix),33.448376,-112.074036,UsedBoat,5,0.0,0.0,0.0,0.0
+RecyclingPlant (Philadelphia),39.952583,-75.165222,UsedBoat,1,0.0,0.0,0.0,0.0
+RecyclingPlant (Philadelphia),39.952583,-75.165222,UsedBoat,2,0.0,0.0,0.0,0.0
+RecyclingPlant (Philadelphia),39.952583,-75.165222,UsedBoat,3,0.0,0.0,0.0,0.0
+RecyclingPlant (Philadelphia),39.952583,-75.165222,UsedBoat,4,0.0,0.0,0.0,0.0
+RecyclingPlant (Philadelphia),39.952583,-75.165222,UsedBoat,5,0.0,0.0,0.0,0.0
+RecyclingPlant (San Antonio),29.424122,-98.493629,UsedBoat,1,0.0,0.0,0.0,0.0
+RecyclingPlant (San Antonio),29.424122,-98.493629,UsedBoat,2,0.0,0.0,0.0,0.0
+RecyclingPlant (San Antonio),29.424122,-98.493629,UsedBoat,3,0.0,0.0,0.0,0.0
+RecyclingPlant (San Antonio),29.424122,-98.493629,UsedBoat,4,0.0,0.0,0.0,0.0
+RecyclingPlant (San Antonio),29.424122,-98.493629,UsedBoat,5,0.0,0.0,0.0,0.0
+RecyclingPlant (San Diego),32.715736,-117.161087,UsedBoat,1,0.0,0.0,0.0,0.0
+RecyclingPlant (San Diego),32.715736,-117.161087,UsedBoat,2,0.0,0.0,0.0,0.0
+RecyclingPlant (San Diego),32.715736,-117.161087,UsedBoat,3,0.0,0.0,0.0,0.0
+RecyclingPlant (San Diego),32.715736,-117.161087,UsedBoat,4,0.0,0.0,0.0,0.0
+RecyclingPlant (San Diego),32.715736,-117.161087,UsedBoat,5,0.0,0.0,0.0,0.0
+RecyclingPlant (Dallas),32.776664,-96.796988,UsedBoat,1,6.31579,0.0,0.0,0.0
+RecyclingPlant (Dallas),32.776664,-96.796988,UsedBoat,2,22.93629,0.0,0.0,0.0
+RecyclingPlant (Dallas),32.776664,-96.796988,UsedBoat,3,31.7714,0.0,0.0,0.0
+RecyclingPlant (Dallas),32.776664,-96.796988,UsedBoat,4,33.80867,0.0,0.0,0.0
+RecyclingPlant (Dallas),32.776664,-96.796988,UsedBoat,5,34.54174,0.0,0.0,0.0
+RecyclingPlant (San Jose),37.338208,-121.886329,UsedBoat,1,0.0,0.0,0.0,0.0
+RecyclingPlant (San Jose),37.338208,-121.886329,UsedBoat,2,0.0,0.0,0.0,0.0
+RecyclingPlant (San Jose),37.338208,-121.886329,UsedBoat,3,0.0,0.0,0.0,0.0
+RecyclingPlant (San Jose),37.338208,-121.886329,UsedBoat,4,0.0,0.0,0.0,0.0
+RecyclingPlant (San Jose),37.338208,-121.886329,UsedBoat,5,0.0,0.0,0.0,0.0
diff --git a/test/fixtures/boat_example/plants.csv b/test/fixtures/boat_example/plants.csv
index c627512..2f0d953 100644
--- a/test/fixtures/boat_example/plants.csv
+++ b/test/fixtures/boat_example/plants.csv
@@ -1,101 +1,101 @@
-plant,latitude,longitude,initial capacity,current capacity,year,operational?,input amount (tonne),opening cost ($),fixed operating cost ($),variable operating cost ($),expansion cost ($)
-BoatFactory (Chicago),41.881832,-87.623177,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Chicago),41.881832,-87.623177,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Chicago),41.881832,-87.623177,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Chicago),41.881832,-87.623177,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Chicago),41.881832,-87.623177,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (New York City),40.712776,-74.005974,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (New York City),40.712776,-74.005974,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (New York City),40.712776,-74.005974,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (New York City),40.712776,-74.005974,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (New York City),40.712776,-74.005974,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Los Angeles),34.052235,-118.243683,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Los Angeles),34.052235,-118.243683,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Los Angeles),34.052235,-118.243683,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Los Angeles),34.052235,-118.243683,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Los Angeles),34.052235,-118.243683,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Houston),29.760427,-95.369804,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Houston),29.760427,-95.369804,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Houston),29.760427,-95.369804,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Houston),29.760427,-95.369804,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Houston),29.760427,-95.369804,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Phoenix),33.448376,-112.074036,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Phoenix),33.448376,-112.074036,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Phoenix),33.448376,-112.074036,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Phoenix),33.448376,-112.074036,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Phoenix),33.448376,-112.074036,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Philadelphia),39.952583,-75.165222,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Philadelphia),39.952583,-75.165222,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Philadelphia),39.952583,-75.165222,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Philadelphia),39.952583,-75.165222,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Philadelphia),39.952583,-75.165222,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Antonio),29.424122,-98.493629,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Antonio),29.424122,-98.493629,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Antonio),29.424122,-98.493629,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Antonio),29.424122,-98.493629,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Antonio),29.424122,-98.493629,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Diego),32.715736,-117.161087,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Diego),32.715736,-117.161087,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Diego),32.715736,-117.161087,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Diego),32.715736,-117.161087,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Diego),32.715736,-117.161087,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (Dallas),32.776664,-96.796988,0.0,500.0,1,true,63.15789,100000.0,250000.0,315.78947,0.0
-BoatFactory (Dallas),32.776664,-96.796988,0.0,500.0,2,true,71.46814,0.0,250000.0,357.34072,0.0
-BoatFactory (Dallas),32.776664,-96.796988,0.0,500.0,3,true,75.8857,0.0,250000.0,379.42849,0.0
-BoatFactory (Dallas),32.776664,-96.796988,0.0,500.0,4,true,76.90434,0.0,250000.0,384.52168,0.0
-BoatFactory (Dallas),32.776664,-96.796988,0.0,500.0,5,true,77.27087,0.0,250000.0,386.35435,0.0
-BoatFactory (San Jose),37.338208,-121.886329,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Jose),37.338208,-121.886329,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Jose),37.338208,-121.886329,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Jose),37.338208,-121.886329,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-BoatFactory (San Jose),37.338208,-121.886329,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Chicago),41.881832,-87.623177,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Chicago),41.881832,-87.623177,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Chicago),41.881832,-87.623177,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Chicago),41.881832,-87.623177,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Chicago),41.881832,-87.623177,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (New York City),40.712776,-74.005974,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (New York City),40.712776,-74.005974,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (New York City),40.712776,-74.005974,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (New York City),40.712776,-74.005974,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (New York City),40.712776,-74.005974,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Los Angeles),34.052235,-118.243683,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Los Angeles),34.052235,-118.243683,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Los Angeles),34.052235,-118.243683,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Los Angeles),34.052235,-118.243683,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Los Angeles),34.052235,-118.243683,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Houston),29.760427,-95.369804,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Houston),29.760427,-95.369804,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Houston),29.760427,-95.369804,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Houston),29.760427,-95.369804,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Houston),29.760427,-95.369804,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Phoenix),33.448376,-112.074036,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Phoenix),33.448376,-112.074036,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Phoenix),33.448376,-112.074036,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Phoenix),33.448376,-112.074036,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Phoenix),33.448376,-112.074036,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Philadelphia),39.952583,-75.165222,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Philadelphia),39.952583,-75.165222,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Philadelphia),39.952583,-75.165222,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Philadelphia),39.952583,-75.165222,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Philadelphia),39.952583,-75.165222,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Antonio),29.424122,-98.493629,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Antonio),29.424122,-98.493629,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Antonio),29.424122,-98.493629,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Antonio),29.424122,-98.493629,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Antonio),29.424122,-98.493629,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Diego),32.715736,-117.161087,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Diego),32.715736,-117.161087,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Diego),32.715736,-117.161087,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Diego),32.715736,-117.161087,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Diego),32.715736,-117.161087,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (Dallas),32.776664,-96.796988,0.0,500.0,1,true,6.31579,500000.0,125000.0,15.78947,0.0
-RecyclingPlant (Dallas),32.776664,-96.796988,0.0,500.0,2,true,22.93629,0.0,125000.0,57.34072,0.0
-RecyclingPlant (Dallas),32.776664,-96.796988,0.0,500.0,3,true,31.7714,0.0,125000.0,79.42849,0.0
-RecyclingPlant (Dallas),32.776664,-96.796988,0.0,500.0,4,true,33.80867,0.0,125000.0,84.52168,0.0
-RecyclingPlant (Dallas),32.776664,-96.796988,0.0,500.0,5,true,34.54174,0.0,125000.0,86.35435,0.0
-RecyclingPlant (San Jose),37.338208,-121.886329,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Jose),37.338208,-121.886329,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Jose),37.338208,-121.886329,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Jose),37.338208,-121.886329,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0
-RecyclingPlant (San Jose),37.338208,-121.886329,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0
+plant,latitude,longitude,initial capacity,current capacity,year,operational?,input amount (tonne),stored amount (tonne),processed amount (tonne),opening cost ($),fixed operating cost ($),variable operating cost ($),expansion cost ($),storage cost ($)
+BoatFactory (Chicago),41.881832,-87.623177,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Chicago),41.881832,-87.623177,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Chicago),41.881832,-87.623177,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Chicago),41.881832,-87.623177,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Chicago),41.881832,-87.623177,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (New York City),40.712776,-74.005974,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Los Angeles),34.052235,-118.243683,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Houston),29.760427,-95.369804,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Phoenix),33.448376,-112.074036,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Philadelphia),39.952583,-75.165222,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Antonio),29.424122,-98.493629,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Diego),32.715736,-117.161087,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,0.0,500.0,1,true,63.15789,0.0,63.15789,100000.0,250000.0,315.78947,0.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,0.0,500.0,2,true,71.46814,0.0,71.46814,0.0,250000.0,357.34072,0.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,0.0,500.0,3,true,75.8857,0.0,75.8857,0.0,250000.0,379.42849,0.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,0.0,500.0,4,true,76.90434,0.0,76.90434,0.0,250000.0,384.52168,0.0,0.0
+BoatFactory (Dallas),32.776664,-96.796988,0.0,500.0,5,true,77.27087,0.0,77.27087,0.0,250000.0,386.35435,0.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+BoatFactory (San Jose),37.338208,-121.886329,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Chicago),41.881832,-87.623177,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Chicago),41.881832,-87.623177,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Chicago),41.881832,-87.623177,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Chicago),41.881832,-87.623177,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Chicago),41.881832,-87.623177,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (New York City),40.712776,-74.005974,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (New York City),40.712776,-74.005974,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (New York City),40.712776,-74.005974,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (New York City),40.712776,-74.005974,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (New York City),40.712776,-74.005974,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Los Angeles),34.052235,-118.243683,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Los Angeles),34.052235,-118.243683,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Los Angeles),34.052235,-118.243683,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Los Angeles),34.052235,-118.243683,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Los Angeles),34.052235,-118.243683,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Houston),29.760427,-95.369804,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Houston),29.760427,-95.369804,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Houston),29.760427,-95.369804,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Houston),29.760427,-95.369804,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Houston),29.760427,-95.369804,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Phoenix),33.448376,-112.074036,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Phoenix),33.448376,-112.074036,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Phoenix),33.448376,-112.074036,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Phoenix),33.448376,-112.074036,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Phoenix),33.448376,-112.074036,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Philadelphia),39.952583,-75.165222,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Philadelphia),39.952583,-75.165222,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Philadelphia),39.952583,-75.165222,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Philadelphia),39.952583,-75.165222,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Philadelphia),39.952583,-75.165222,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Antonio),29.424122,-98.493629,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Antonio),29.424122,-98.493629,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Antonio),29.424122,-98.493629,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Antonio),29.424122,-98.493629,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Antonio),29.424122,-98.493629,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Diego),32.715736,-117.161087,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Diego),32.715736,-117.161087,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Diego),32.715736,-117.161087,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Diego),32.715736,-117.161087,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Diego),32.715736,-117.161087,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (Dallas),32.776664,-96.796988,0.0,500.0,1,true,6.31579,0.0,6.31579,500000.0,125000.0,15.78947,0.0,0.0
+RecyclingPlant (Dallas),32.776664,-96.796988,0.0,500.0,2,true,22.93629,0.0,22.93629,0.0,125000.0,57.34072,0.0,0.0
+RecyclingPlant (Dallas),32.776664,-96.796988,0.0,500.0,3,true,31.7714,0.0,31.7714,0.0,125000.0,79.42849,0.0,0.0
+RecyclingPlant (Dallas),32.776664,-96.796988,0.0,500.0,4,true,33.80867,0.0,33.80867,0.0,125000.0,84.52168,0.0,0.0
+RecyclingPlant (Dallas),32.776664,-96.796988,0.0,500.0,5,true,34.54174,0.0,34.54174,0.0,125000.0,86.35435,0.0,0.0
+RecyclingPlant (San Jose),37.338208,-121.886329,0.0,0.0,1,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Jose),37.338208,-121.886329,0.0,0.0,2,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Jose),37.338208,-121.886329,0.0,0.0,3,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Jose),37.338208,-121.886329,0.0,0.0,4,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
+RecyclingPlant (San Jose),37.338208,-121.886329,0.0,0.0,5,false,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
diff --git a/test/src/model/build_test.jl b/test/src/model/build_test.jl
index 49c0849..2dda67a 100644
--- a/test/src/model/build_test.jl
+++ b/test/src/model/build_test.jl
@@ -9,6 +9,8 @@ function model_build_test()
     y = model[:y]
     z_disp = model[:z_disp]
     z_input = model[:z_input]
+    z_process = model[:z_process]
+    z_storage = model[:z_storage]
     z_em_tr = model[:z_em_tr]
     z_em_plant = model[:z_em_plant]
     z_exp = model[:z_exp]
@@ -66,6 +68,10 @@ function model_build_test()
         + 0.25   # fixed operating cost[1]
     )
 
+    # Test storage cost in objective function
+    @test obj.terms[z_storage["L1", "P1", 1]] == 0.1  # P1 storage cost
+    @test obj.terms[z_storage["L1", "P2", 1]] == 0.1  # P2 storage cost
+
     # Variables: Transportation emissions
     @test haskey(z_em_tr, ("CO2", "L1", "C3", "P4", 1))
     @test haskey(z_em_tr, ("CH4", "L1", "C3", "P4", 1))
@@ -82,17 +88,21 @@ function model_build_test()
     @test repr(model[:eq_z_input]["L1", 1]) ==
           "eq_z_input[L1,1] : -y[C2,L1,P1,1] - y[C1,L1,P2,1] + z_input[L1,1] = 0"
 
-    # Plants: Must meet input mix
-    @test repr(model[:eq_input_mix]["L1", "P1", 1]) ==
-          "eq_input_mix[L1,P1,1] : y[C2,L1,P1,1] - 0.953 z_input[L1,1] = 0"
-    @test repr(model[:eq_input_mix]["L1", "P2", 1]) ==
-          "eq_input_mix[L1,P2,1] : y[C1,L1,P2,1] - 0.047 z_input[L1,1] = 0"
+    # Plants: Definition of total processing amount
+    @test repr(model[:eq_z_process]["L1", 1]) ==
+          "eq_z_process[L1,1] : -z_input[L1,1] + z_storage[L1,P1,1] + z_storage[L1,P2,1] + z_process[L1,1] = 0"
+
+    # Plants: Processing mix must have correct proportion
+    @test repr(model[:eq_process_mix]["L1", "P1", 1]) ==
+          "eq_process_mix[L1,P1,1] : y[C2,L1,P1,1] - z_storage[L1,P1,1] - 0.953 z_process[L1,1] = 0"
+    @test repr(model[:eq_process_mix]["L1", "P2", 1]) ==
+          "eq_process_mix[L1,P2,1] : y[C1,L1,P2,1] - z_storage[L1,P2,1] - 0.047 z_process[L1,1] = 0"
 
     # Plants: Calculate amount produced
     @test repr(model[:eq_z_prod]["L1", "P3", 1]) ==
-          "eq_z_prod[L1,P3,1] : z_prod[L1,P3,1] - 0.25 z_input[L1,1] = 0"
+          "eq_z_prod[L1,P3,1] : z_prod[L1,P3,1] - 0.25 z_process[L1,1] = 0"
     @test repr(model[:eq_z_prod]["L1", "P4", 1]) ==
-          "eq_z_prod[L1,P4,1] : z_prod[L1,P4,1] - 0.12 z_input[L1,1] = 0"
+          "eq_z_prod[L1,P4,1] : z_prod[L1,P4,1] - 0.12 z_process[L1,1] = 0"
 
     # Plants: Produced material must be sent or disposed
     @test repr(model[:eq_balance]["L1", "P3", 1]) ==
@@ -100,9 +110,9 @@ function model_build_test()
     @test repr(model[:eq_balance]["L1", "P4", 1]) ==
           "eq_balance[L1,P4,1] : -y[L1,C3,P4,1] + z_prod[L1,P4,1] - z_disp[L1,P4,1] = 0"
 
-    # Plants: Input limit (capacity constraint)
-    @test repr(model[:eq_input_limit]["L1", 1]) ==
-          "eq_input_limit[L1,1] : -100 x[L1,1] + z_input[L1,1] - z_exp[L1,1] ≤ 0"
+    # Plants: Processing limit (capacity constraint)
+    @test repr(model[:eq_process_limit]["L1", 1]) ==
+          "eq_process_limit[L1,1] : -100 x[L1,1] - z_exp[L1,1] + z_process[L1,1] ≤ 0"
 
     # Plants: Expansion upper bound
     @test repr(model[:eq_exp_ub]["L1", 1]) ==
@@ -161,9 +171,9 @@ function model_build_test()
     @test repr(model[:eq_emission_tr]["CH4", "L1", "C3", "P4", 1]) ==
           "eq_emission_tr[CH4,L1,C3,P4,1] : -0.333354 y[L1,C3,P4,1] + z_em_tr[CH4,L1,C3,P4,1] = 0"
 
-    # Plants: Plant emissions (updated to use z_input)
+    # Plants: Plant emissions (updated to use z_process)
     @test repr(model[:eq_emission_plant]["CO2", "L1", 1]) ==
-          "eq_emission_plant[CO2,L1,1] : -0.1 z_input[L1,1] + z_em_plant[CO2,L1,1] = 0"
+          "eq_emission_plant[CO2,L1,1] : -0.1 z_process[L1,1] + z_em_plant[CO2,L1,1] = 0"
 
     # Objective function: Emissions penalty costs
     @test obj.terms[z_em_plant["CO2", "L1", 1]] == 50.0  # CO2 penalty at time 1
@@ -177,4 +187,30 @@ function model_build_test()
     @test repr(model[:eq_emission_limit]["CO2", 1]) ==
           "eq_emission_limit[CO2,1] : z_em_tr[CO2,C2,L1,P1,1] + z_em_tr[CO2,C2,C1,P1,1] + z_em_tr[CO2,C1,L1,P2,1] + z_em_tr[CO2,L1,C3,P4,1] + z_em_plant[CO2,L1,1] ≤ 1000"
     @test ("CH4", 1) ∉ keys(model[:eq_emission_limit])
+
+    # Test storage variables exist
+    @test haskey(z_storage, ("L1", "P1", 1))
+    @test haskey(z_storage, ("L1", "P2", 1))
+    @test haskey(z_process, ("L1", 1))
+    @test haskey(z_process, ("L1", 2))
+    @test haskey(z_process, ("L1", 3))
+    @test haskey(z_process, ("L1", 4))
+
+    # Test initial storage values
+    @test z_storage["L1", "P1", 0] == 0
+    @test z_storage["L1", "P2", 0] == 0
+
+    # Test storage limit constraints (P1 has limit of 100, P2 has no limit)
+    @test haskey(model[:eq_storage_limit], ("L1", "P1", 1))
+    @test repr(model[:eq_storage_limit]["L1", "P1", 1]) ==
+          "eq_storage_limit[L1,P1,1] : z_storage[L1,P1,1] ≤ 100"
+    @test ("L1", "P2", 1) ∉ keys(model[:eq_storage_limit])  # P2 has no storage limit
+
+    # Test final storage constraints exist
+    @test haskey(model[:eq_storage_final], ("L1", "P1"))
+    @test haskey(model[:eq_storage_final], ("L1", "P2"))
+    @test repr(model[:eq_storage_final]["L1", "P1"]) ==
+          "eq_storage_final[L1,P1] : z_storage[L1,P1,4] = 0"
+    @test repr(model[:eq_storage_final]["L1", "P2"]) ==
+          "eq_storage_final[L1,P2] : z_storage[L1,P2,4] = 0"
 end
diff --git a/test/src/reports_test.jl b/test/src/reports_test.jl
index d82f112..54e0a78 100644
--- a/test/src/reports_test.jl
+++ b/test/src/reports_test.jl
@@ -6,6 +6,7 @@ function report_tests()
     mkpath("tmp")
     write_to_file(model, "tmp/model.lp")
     RELOG.write_plants_report(model, "tmp/plants.csv")
+    RELOG.write_plant_inputs_report(model, "tmp/plant_inputs.csv")
     RELOG.write_plant_outputs_report(model, "tmp/plant_outputs.csv")
     RELOG.write_centers_report(model, "tmp/centers.csv")
     RELOG.write_center_outputs_report(model, "tmp/center_outputs.csv")