diff --git a/src/core/electric_utility.jl b/src/core/electric_utility.jl
index d70e63327..b8c15b512 100644
--- a/src/core/electric_utility.jl
+++ b/src/core/electric_utility.jl
@@ -203,9 +203,7 @@ struct ElectricUtility
         
         if !is_MPC
             # Check some inputs 
-            if any(x -> x < 0 || x > 1, renewable_energy_fraction_series)
-                throw(@error("All values in the provided ElectricUtility renewable_energy_fraction_series must be between 0 and 1."))
-            end
+            error_if_series_vals_not_0_to_1(renewable_energy_fraction_series, "ElectricUtility", "renewable_energy_fraction_series")
             if cambium_start_year < 2023 || cambium_start_year > 2050 # TODO: update?
                 cambium_start_year = 2025 # Must update annually 
                 @warn("The cambium_start_year must be between 2023 and 2050. Setting cambium_start_year to $(cambium_start_year).")
diff --git a/src/core/pv.jl b/src/core/pv.jl
index ab7069d87..6f016118e 100644
--- a/src/core/pv.jl
+++ b/src/core/pv.jl
@@ -186,8 +186,8 @@ mutable struct PV <: AbstractTech
         if !(0.0 <= dc_ac_ratio <= 2.0)
             push!(invalid_args, "dc_ac_ratio must satisfy 0 <= dc_ac_ratio <= 2, got $(dc_ac_ratio)")
         end
-        if !isnothing(production_factor_series) && any(x -> x < 0 || x > 1, production_factor_series)
-            throw(@error("All values in the provided PV production_factor_series must be between 0 and 1."))
+        if !isnothing(production_factor_series)
+            error_if_series_vals_not_0_to_1(production_factor_series, "PV", "production_factor_series")
         end
         if length(invalid_args) > 0
             throw(@error("Invalid PV argument values: $(invalid_args)"))
diff --git a/src/core/utils.jl b/src/core/utils.jl
index 8f92c9f6f..aa99b3c71 100644
--- a/src/core/utils.jl
+++ b/src/core/utils.jl
@@ -596,4 +596,10 @@ function check_api_key()
                     Within your Julia environment, specify ENV['NREL_DEVELOPER_API_KEY']='your API key'
                     See https://nrel.github.io/REopt.jl/dev/ for more information."))
     end
+end
+
+function error_if_series_vals_not_0_to_1(series, input_struct_name, input_name)
+    if any(x -> x < 0 || x > 1, series)
+        throw(@error("All values in the provided $(input_struct_name) $(input_name) must be between 0 and 1."))
+    end
 end
\ No newline at end of file