diff --git a/src/PowerSystems.jl b/src/PowerSystems.jl
index 1d03673499..feefbfcc1d 100644
--- a/src/PowerSystems.jl
+++ b/src/PowerSystems.jl
@@ -560,7 +560,6 @@ import InfrastructureSystems:
     get_points,  # TODO possible rename to disambiguate from geographical information
     get_x_coords,
     get_y_coords,
-    get_raw_data,
     get_raw_data_type,
     supports_time_series,
     supports_supplemental_attributes
diff --git a/src/models/cost_functions/HydroGenerationCost.jl b/src/models/cost_functions/HydroGenerationCost.jl
index e22a4169cc..7dff63a091 100644
--- a/src/models/cost_functions/HydroGenerationCost.jl
+++ b/src/models/cost_functions/HydroGenerationCost.jl
@@ -1,6 +1,6 @@
 """
     mutable struct HydroGenerationCost <: OperationalCost
-        variable::FuelCurve
+        variable::ProductionVariableCost
         fixed::Float64
     end
 
@@ -10,8 +10,10 @@ values are used or the opportunity cost of water if the costs are positive. It a
 fuel curves to model specific water intake.
 
 # Arguments
-- `variable::FuelCurve`: Production variable cost represented by a fuel curve, where the fuel is water.
-- `fixed::Union{Nothing, Float64}`: Fixed cost of keeping the unit online. For some cost represenations this field can be duplicative.
+- `variable::ProductionVariableCost`: Production variable cost represented by a `FuelCurve`,
+  where the fuel is water, or a `CostCurve` in currency.
+- `fixed::Union{Nothing, Float64}`: Fixed cost of keeping the unit online. For some cost
+  represenations this field can be duplicative.
 """
 @kwdef mutable struct HydroGenerationCost <: OperationalCost
     "variable cost"
@@ -21,7 +23,7 @@ fuel curves to model specific water intake.
 end
 
 # Constructor for demo purposes; non-functional.
-HydroGenerationCost(::Nothing) = HydroGenerationCost(zero(FuelCurve), 0.0)
+HydroGenerationCost(::Nothing) = HydroGenerationCost(zero(CostCurve), 0.0)
 
 """Get [`HydroGenerationCost`](@ref) `variable`."""
 get_variable(value::HydroGenerationCost) = value.variable
diff --git a/src/parsers/power_models_data.jl b/src/parsers/power_models_data.jl
index 3daba54144..befc732635 100644
--- a/src/parsers/power_models_data.jl
+++ b/src/parsers/power_models_data.jl
@@ -320,7 +320,7 @@ end
 
 function make_hydro_gen(gen_name, d, bus, sys_mbase)
     ramp_agc = get(d, "ramp_agc", get(d, "ramp_10", get(d, "ramp_30", abs(d["pmax"]))))
-    curtailcost = HydroGenerationCost(zero(FuelCurve), 0.0)
+    curtailcost = HydroGenerationCost(zero(CostCurve), 0.0)
 
     base_conversion = sys_mbase / d["mbase"]
     return HydroDispatch(; # No way to define storage parameters for gens in PM so can only make HydroDispatch