diff --git a/NEWS.md b/NEWS.md
index 2f72ca8..5e68f50 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,11 @@
 # Release Notes
 
+## Version 0.9.1 (2026-04-16)
+
+### Bug fixes
+
+* Fixed a bug in the checks when using `StrategicProfile` for the stack replacement costs of `AbstractElectrolyzer` nodes and `TwoLevelTree` as time structure.
+
 ## Version 0.9.0 (2026-04-14)
 
 ### Breaking changes
diff --git a/Project.toml b/Project.toml
index a7d41fb..bcbec81 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "EnergyModelsHydrogen"
 uuid = "44855f8b-b147-4985-ac18-48817d03c548"
 authors = ["Julian Straus <Julian.Straus@sintef.no>, Avinash Subramanian"]
-version = "0.9.0"
+version = "0.9.1"
 
 [deps]
 EnergyModelsBase = "5d7e687e-f956-46f3-9045-6f5a5fd49f50"
diff --git a/src/checks.jl b/src/checks.jl
index 4d50c9c..c8d9423 100644
--- a/src/checks.jl
+++ b/src/checks.jl
@@ -21,7 +21,7 @@ additional check on the data.
 - The field `degradation_rate` is required to be in the range [0,1).
 - The `TimeProfile` of the field `stack_replacement` is required to be non-negative and
   accessible through a `StrategicPeriod` as outlined in the function
-  [`EMB.check_fixed_opex()`](@extref EnergyModelsBase.check_fixed_opex).
+  [`EMB.check_strategic_profile()`](@extref EnergyModelsBase.check_strategic_profile).
 - The field `stack_lifetime` is required to be non-negative.
 """
 function EMB.check_node(
@@ -39,13 +39,6 @@ function EMB.check_node(
         "The stack degradation rate must be in the range [0, 100)."
     )
 
-    if isa(stack_replacement_cost(n), StrategicProfile) && check_timeprofiles
-        @assert_or_log(
-            length(stack_replacement_cost(n).vals) == length(𝒯ᴵⁿᵛ),
-            "The timeprofile provided for the field `stack_replacement_cost` does not " *
-            "match the strategic structure."
-        )
-    end
     # Check for potential indexing problems
     message = "are not allowed for the field `stack_replacement_cost`."
     bool_sp = EMB.check_strategic_profile(stack_replacement_cost(n), message)
diff --git a/test/test_checks.jl b/test/test_checks.jl
index 873c46f..10ecd13 100644
--- a/test/test_checks.jl
+++ b/test/test_checks.jl
@@ -8,7 +8,7 @@ H2 = ResourceCarrier("Hydrogen", 0.0)
 CO2 = ResourceEmit("CO2", 1.0)
 
 # Function for setting up the system for testing an `AbstractElectrolyzer` node
-function simple_graph_elec(;
+function check_elec(;
     cap = FixedProfile(-25),        # Installed capacity [MW]
     opex_var = FixedProfile(5),     # Variable Opex
     opex_fixed = FixedProfile(100), # Fixed Opex
@@ -16,8 +16,9 @@ function simple_graph_elec(;
     output = Dict(H2 => 0.62),      # Ouput: Ratio of Output flow to characteristic throughput
     load_limits = LoadLimits(0, 1), # Minimum and maximum load
     degradation_rate = 0.1,         # Degradation rate
-    stack_replacement_cost = FixedProfile(3e5),  # Stack replacement costs
+    stack_rep_cost = FixedProfile(3e5),  # Stack replacement costs
     stack_lifetime = 60000,         # Stack lifetime in h
+    T = TwoLevel(2, 2, SimpleTimes(5, 2); op_per_strat=10),
 )
 
     # Used source, network, and sink
@@ -45,13 +46,11 @@ function simple_graph_elec(;
         ExtensionData[],
         load_limits,
         degradation_rate,
-        stack_replacement_cost,
+        stack_rep_cost,
         stack_lifetime
     )
 
     resources = [Power, H2, CO2]
-    ops = SimpleTimes(5, 2)
-    T = TwoLevel(2, 2, ops; op_per_strat=10)
 
     nodes = [source, elec, sink]
     links = [
@@ -73,41 +72,55 @@ end
 @testset "Test checks - AbstractElectrolyzer" begin
 
     # Test that a wrong capacity is caught by the checks
-    @test_throws AssertionError simple_graph_elec(cap=FixedProfile(-25))
+    @test_throws AssertionError check_elec(cap=FixedProfile(-25))
 
     # Test that a wrong fixed OPEX is caught by the checks
-    @test_throws AssertionError simple_graph_elec(;opex_var=FixedProfile(5))
+    @test_throws AssertionError check_elec(; opex_var=FixedProfile(5))
 
     # Test that a wrong input dictionary is caught by the checks
-    @test_throws AssertionError simple_graph_elec(;input=Dict(Power => -1))
+    @test_throws AssertionError check_elec(; input=Dict(Power => -1))
 
     # Test that a wrong output dictionary is caught by the checks
-    @test_throws AssertionError simple_graph_elec(;output=Dict(H2 => -0.62))
+    @test_throws AssertionError check_elec(; output=Dict(H2 => -0.62))
 
     # Test that a wrong minimum load is caught by the checks
-    @test_throws AssertionError simple_graph_elec(;load_limits=LoadLimits(-0.5, 1.0))
+    @test_throws AssertionError check_elec(; load_limits=LoadLimits(-0.5, 1.0))
 
     # Test that a wrong maximum load is caught by the checks
-    @test_throws AssertionError simple_graph_elec(;load_limits=LoadLimits(1.5, 1.0))
+    @test_throws AssertionError check_elec(; load_limits=LoadLimits(1.5, 1.0))
 
     # Test that a wrong degradation rate load is caught by the checks
-    @test_throws AssertionError simple_graph_elec(;degradation_rate=-0.1)
-    @test_throws AssertionError simple_graph_elec(;degradation_rate=100)
+    @test_throws AssertionError check_elec(; degradation_rate=-0.1)
+    @test_throws AssertionError check_elec(; degradation_rate=100)
 
     # Test that a wrong stack replacement profile is caught by the checks
-    stack_replacement_cost = FixedProfile(-5)
-    @test_throws AssertionError simple_graph_elec(;stack_replacement_cost)
-    stack_replacement_cost = StrategicProfile([10])
-    @test_throws AssertionError simple_graph_elec(;stack_replacement_cost)
-    stack_replacement_cost = OperationalProfile([10])
-    @test_throws AssertionError simple_graph_elec(;stack_replacement_cost)
+    stack_rep_cost = FixedProfile(-5)
+    @test_throws AssertionError check_elec(; stack_rep_cost)
+    T = TwoLevelTree(2, [2], SimpleTimes(5, 1); op_per_strat=10.0)
+    oprofile = OperationalProfile(ones(4))
+    profiles = [
+        oprofile,
+        StrategicProfile([4]),
+        StrategicProfile([oprofile, oprofile, oprofile, oprofile]),
+    ]
+    for tp ∈ profiles
+        @test_throws AssertionError check_elec(; stack_rep_cost=tp)
+        @test_throws AssertionError check_elec(; stack_rep_cost=tp, T)
+    end
+    stack_rep_cost = StrategicStochasticProfile([[4]])
+    @test_throws AssertionError check_elec(; stack_rep_cost, T)
+
+    stack_rep_cost = StrategicProfile([10])
+    @test_throws AssertionError check_elec(; stack_rep_cost)
+    stack_rep_cost = OperationalProfile([10])
+    @test_throws AssertionError check_elec(; stack_rep_cost)
 
     # Test that a wrong lifetime is caught by the checks
-    @test_throws AssertionError simple_graph_elec(;stack_lifetime=-10)
+    @test_throws AssertionError check_elec(; stack_lifetime=-10)
 end
 
 # Function for setting up the system for testing a `Reformer` node
-function simple_graph_ref(;
+function check_ref(;
     cap = FixedProfile(-25),  # Installed capacity [MW]
     opex_var = FixedProfile(5),    # Variable Opex
     opex_fixed = FixedProfile(100),  # Fixed Opex
@@ -175,49 +188,49 @@ end
 @testset "Test checks - AbstractReformer" begin
 
     # Test that a wrong capacity is caught by the checks
-    @test_throws AssertionError simple_graph_ref(;cap=FixedProfile(-25))
+    @test_throws AssertionError check_ref(; cap=FixedProfile(-25))
 
     # Test that a wrong fixed OPEX is caught by the checks
-    @test_throws AssertionError simple_graph_ref(;opex_fixed=FixedProfile(-100))
+    @test_throws AssertionError check_ref(; opex_fixed=FixedProfile(-100))
 
     # Test that a wrong input dictionary is caught by the checks
-    @test_throws AssertionError simple_graph_ref(;input=Dict(NG => -1))
+    @test_throws AssertionError check_ref(; input=Dict(NG => -1))
 
     # Test that a wrong output dictionary is caught by the checks
-    @test_throws AssertionError simple_graph_ref(;output=Dict(H2 => -1.0))
+    @test_throws AssertionError check_ref(; output=Dict(H2 => -1.0))
 
     # Test that a wrong minimum load is caught by the checks
-    @test_throws AssertionError simple_graph_ref(;load_limits=LoadLimits(-0.5, 1.0))
+    @test_throws AssertionError check_ref(; load_limits=LoadLimits(-0.5, 1.0))
 
     # Test that a wrong maximum load is caught by the checks
-    @test_throws AssertionError simple_graph_ref(;load_limits=LoadLimits(1.5, 1.0))
+    @test_throws AssertionError check_ref(; load_limits=LoadLimits(1.5, 1.0))
 
     # Test that a wrong unit commitment times are caught by the checks
     commit_param = CommitParameters(FixedProfile(-1), FixedProfile(1))
-    @test_throws AssertionError simple_graph_ref(;startup=commit_param)
-    @test_throws AssertionError simple_graph_ref(;shutdown=commit_param)
-    @test_throws AssertionError simple_graph_ref(;offline=commit_param)
+    @test_throws AssertionError check_ref(; startup=commit_param)
+    @test_throws AssertionError check_ref(; shutdown=commit_param)
+    @test_throws AssertionError check_ref(; offline=commit_param)
 
     # Test that a wrong profiles for minimum time of unit commitment are caught by the checks
     # - check_commitment_profile()
     startup = CommitParameters(FixedProfile(1), OperationalProfile([10]))
-    @test_throws AssertionError simple_graph_ref(;startup)
+    @test_throws AssertionError check_ref(; startup)
     startup = CommitParameters(FixedProfile(1), StrategicProfile([OperationalProfile([10])]))
-    @test_throws AssertionError simple_graph_ref(;startup)
+    @test_throws AssertionError check_ref(; startup)
     startup = CommitParameters(FixedProfile(1), FixedProfile(-5))
-    @test_throws AssertionError simple_graph_ref(;startup)
+    @test_throws AssertionError check_ref(; startup)
     startup = CommitParameters(FixedProfile(1), StrategicProfile([-5]))
-    @test_throws AssertionError simple_graph_ref(;startup)
+    @test_throws AssertionError check_ref(; startup)
     startup = CommitParameters(FixedProfile(1), StrategicProfile([10, 10]))
-    @test_throws AssertionError simple_graph_ref(;startup)
+    @test_throws AssertionError check_ref(; startup)
 
     # Test that a wrong rate of change value is caught by the checks
-    @test_throws AssertionError simple_graph_ref(;rate_limit=RampBi(FixedProfile(-1)))
-    @test_throws AssertionError simple_graph_ref(;rate_limit=RampBi(FixedProfile(1.5)))
+    @test_throws AssertionError check_ref(; rate_limit=RampBi(FixedProfile(-1)))
+    @test_throws AssertionError check_ref(; rate_limit=RampBi(FixedProfile(1.5)))
 end
 
 # Function for setting up the system for testing a `SimpleHydrogenStorage` node
-function simple_graph_simple_stor(;
+function check_simple_stor(;
     charge_cap = FixedProfile(10),          # Installed capacity [MW]
     level_cap = FixedProfile(1000),         # Installed capacity [MWh]
     charge_opex_fixed = FixedProfile(5),    # Fixed Opex
@@ -279,29 +292,29 @@ end
 @testset "Test checks - SimpleHydrogenStorage" begin
 
     # Test that a wrong capacity is caught by the checks
-    @test_throws AssertionError simple_graph_simple_stor(;charge_cap=FixedProfile(-25))
-    @test_throws AssertionError simple_graph_simple_stor(;level_cap=FixedProfile(-25))
+    @test_throws AssertionError check_simple_stor(; charge_cap=FixedProfile(-25))
+    @test_throws AssertionError check_simple_stor(; level_cap=FixedProfile(-25))
 
     # Test that a wrong fixed OPEX is caught by the checks
-    @test_throws AssertionError simple_graph_simple_stor(;charge_opex_fixed=FixedProfile(-100))
-    @test_throws AssertionError simple_graph_simple_stor(;level_opex_fixed=FixedProfile(-100))
+    @test_throws AssertionError check_simple_stor(; charge_opex_fixed=FixedProfile(-100))
+    @test_throws AssertionError check_simple_stor(; level_opex_fixed=FixedProfile(-100))
 
     # Test that a wrong input dictionary is caught by the checks
-    @test_throws AssertionError simple_graph_simple_stor(;input=Dict(H2 => -1))
+    @test_throws AssertionError check_simple_stor(; input=Dict(H2 => -1))
 
     # Test that a wrong output dictionary is caught by the checks
-    @test_throws AssertionError simple_graph_simple_stor(;output=Dict(H2 => -1.0))
+    @test_throws AssertionError check_simple_stor(; output=Dict(H2 => -1.0))
 
     # Test that a wrong discharge to charge ratio is caught by the checks
-    @test_throws AssertionError simple_graph_simple_stor(;discharge_charge=-0.5)
+    @test_throws AssertionError check_simple_stor(; discharge_charge=-0.5)
 
     # Test that a wrong level to charge ratio is caught by the checks
-    @test_throws AssertionError simple_graph_simple_stor(;level_charge=-0.5)
-    @test_throws AssertionError simple_graph_simple_stor(;level_charge=1000.0)
+    @test_throws AssertionError check_simple_stor(; level_charge=-0.5)
+    @test_throws AssertionError check_simple_stor(; level_charge=1000.0)
 end
 
 # Function for setting up the system for testing a `HydrogenStorage` node
-function simple_graph_h2_stor(;
+function check_h2_stor(;
     charge_cap = FixedProfile(10),          # Installed capacity [MW]
     level_cap = FixedProfile(1000),         # Installed capacity [MWh]
     charge_opex_fixed = FixedProfile(5),    # Fixed Opex
@@ -366,34 +379,34 @@ end
 @testset "Test checks - HydrogenStorage" begin
 
     # Test that a wrong capacity is caught by the checks
-    @test_throws AssertionError simple_graph_h2_stor(;charge_cap=FixedProfile(-25))
-    @test_throws AssertionError simple_graph_h2_stor(;level_cap=FixedProfile(-25))
+    @test_throws AssertionError check_h2_stor(; charge_cap=FixedProfile(-25))
+    @test_throws AssertionError check_h2_stor(; level_cap=FixedProfile(-25))
 
     # Test that a wrong fixed OPEX is caught by the checks
-    @test_throws AssertionError simple_graph_h2_stor(;charge_opex_fixed=FixedProfile(-100))
-    @test_throws AssertionError simple_graph_h2_stor(;level_opex_fixed=FixedProfile(-100))
+    @test_throws AssertionError check_h2_stor(; charge_opex_fixed=FixedProfile(-100))
+    @test_throws AssertionError check_h2_stor(; level_opex_fixed=FixedProfile(-100))
 
     # Test that a wrong discharge to charge ratio is caught by the checks
-    @test_throws AssertionError simple_graph_h2_stor(;discharge_charge=-0.5)
+    @test_throws AssertionError check_h2_stor(; discharge_charge=-0.5)
 
     # Test that a wrong level to charge ratio is caught by the checks
-    @test_throws AssertionError simple_graph_h2_stor(;level_charge=-0.5)
-    @test_throws AssertionError simple_graph_h2_stor(;level_charge=1000.0)
+    @test_throws AssertionError check_h2_stor(; level_charge=-0.5)
+    @test_throws AssertionError check_h2_stor(; level_charge=1000.0)
 
     # Test that a wrong minimum pressure is caught by the checks
-    @test_throws AssertionError simple_graph_h2_stor(;p_min=-0.5)
-    @test_throws AssertionError simple_graph_h2_stor(;p_min=160.5)
+    @test_throws AssertionError check_h2_stor(; p_min=-0.5)
+    @test_throws AssertionError check_h2_stor(; p_min=160.5)
 
     # Test that a wrong minimum pressure is caught by the checks
-    @test_throws AssertionError simple_graph_h2_stor(;p_min=-0.5)
-    @test_throws AssertionError simple_graph_h2_stor(;p_min=160.5)
+    @test_throws AssertionError check_h2_stor(; p_min=-0.5)
+    @test_throws AssertionError check_h2_stor(; p_min=160.5)
 
     # Test that a wrong charge pressure is caught by the checks
-    @test_throws AssertionError simple_graph_h2_stor(;p_charge=-0.5)
-    @test_throws AssertionError simple_graph_h2_stor(;p_charge=160.5)
+    @test_throws AssertionError check_h2_stor(; p_charge=-0.5)
+    @test_throws AssertionError check_h2_stor(; p_charge=160.5)
 
     # Test that a wrong maximum pressure is caught by the checks
-    @test_throws AssertionError simple_graph_h2_stor(;p_max=-0.5)
+    @test_throws AssertionError check_h2_stor(; p_max=-0.5)
 end
 
 # Set the global again to false