diff --git a/test/fixtures/case24-iberian-storage.json.gz b/test/fixtures/case24-iberian-storage.json.gz
new file mode 100644
index 0000000..65a5528
Binary files /dev/null and b/test/fixtures/case24-iberian-storage.json.gz differ
diff --git a/test/src/UnitCommitmentT.jl b/test/src/UnitCommitmentT.jl
index ae28329..77ee669 100644
--- a/test/src/UnitCommitmentT.jl
+++ b/test/src/UnitCommitmentT.jl
@@ -9,6 +9,7 @@ include("import/egret_test.jl")
 include("instance/read_test.jl")
 include("instance/migrate_test.jl")
 include("model/formulations_test.jl")
+include("model/storage_optimization_test.jl")
 include("solution/methods/XavQiuWanThi19/filter_test.jl")
 include("solution/methods/XavQiuWanThi19/find_test.jl")
 include("solution/methods/XavQiuWanThi19/sensitivity_test.jl")
@@ -39,6 +40,7 @@ function runtests()
         instance_read_test()
         instance_migrate_test()
         model_formulations_test()
+        storage_optimization_test()
         solution_methods_XavQiuWanThi19_filter_test()
         solution_methods_XavQiuWanThi19_find_test()
         solution_methods_XavQiuWanThi19_sensitivity_test()
diff --git a/test/src/model/storage_optimization_test.jl b/test/src/model/storage_optimization_test.jl
new file mode 100644
index 0000000..2950f61
--- /dev/null
+++ b/test/src/model/storage_optimization_test.jl
@@ -0,0 +1,32 @@
+# UnitCommitment.jl: Optimization Package for Security-Constrained Unit Commitment
+# Copyright (C) 2020, UChicago Argonne, LLC. All rights reserved.
+# Released under the modified BSD license. See COPYING.md for more details.
+
+using UnitCommitment
+using JuMP
+using HiGHS
+using JSON
+
+function storage_optimization_test()
+    @testset "storage_optimization" begin
+        instance =
+            UnitCommitment.read(fixture("case24-iberian-storage.json.gz"))
+        model = UnitCommitment.build_model(
+            instance = instance,
+            optimizer = HiGHS.Optimizer,
+            variable_names = true,
+        )
+        set_silent(model)
+        UnitCommitment.optimize!(model)
+        solution = UnitCommitment.solution(model)
+        # results must be valid 
+        @test UnitCommitment.validate(instance, solution)
+        # storages are being used 
+        charging_rates = solution["Storage charging rates (MW)"]
+        discharging_rates = solution["Storage discharging rates (MW)"]
+        @test sum(charging_rates["su1"]) > 0
+        @test sum(charging_rates["su2"]) > 0
+        @test sum(discharging_rates["su1"]) > 0
+        @test sum(discharging_rates["su2"]) > 0
+    end
+end