Add fuel cost time series parameters methods

src/PowerSimulations.jl

@@ -323,6 +323,7 @@ export EmergencyUp
 export EmergencyDown
 export RawACE
 export ProductionCostExpression
+export FuelConsumptionExpression
 export ActivePowerRangeExpressionLB
 export ActivePowerRangeExpressionUB
 

src/core/device_model.jl

@@ -49,7 +49,7 @@ mutable struct DeviceModel{D <: PSY.Device, B <: AbstractDeviceFormulation}
     use_slacks::Bool
     duals::Vector{DataType}
     services::Vector{ServiceModel}
-    time_series_names::Dict{Type{<:TimeSeriesParameter}, String}
+    time_series_names::Dict{Type{<:PSI.ParameterType}, String}
     attributes::Dict{String, Any}
     subsystem::Union{Nothing, String}
 

src/core/expressions.jl

@@ -8,6 +8,7 @@ struct EmergencyUp <: ExpressionType end
 struct EmergencyDown <: ExpressionType end
 struct RawACE <: ExpressionType end
 struct ProductionCostExpression <: CostExpressions end
+struct FuelConsumptionExpression <: ExpressionType end
 struct ActivePowerRangeExpressionLB <: RangeConstraintLBExpressions end
 struct ActivePowerRangeExpressionUB <: RangeConstraintUBExpressions end
 struct ComponentReserveUpBalanceExpression <: ExpressionType end
@@ -16,6 +17,7 @@ struct InterfaceTotalFlow <: ExpressionType end
 struct PTDFBranchFlow <: ExpressionType end
 
 should_write_resulting_value(::Type{<:CostExpressions}) = true
+should_write_resulting_value(::Type{FuelConsumptionExpression}) = true
 should_write_resulting_value(::Type{InterfaceTotalFlow}) = true
 should_write_resulting_value(::Type{RawACE}) = true
 should_write_resulting_value(::Type{ActivePowerBalance}) = true

src/core/optimization_container.jl

@@ -35,8 +35,12 @@ function get_objective_expression(v::ObjectiveFunction)
     else
         # JuMP doesn't support expression conversion from Affn to QuadExpressions
         if isa(v.invariant_terms, JuMP.GenericQuadExpr)
-            return JuMP.add_to_expression!(v.invariant_terms, v.variant_terms)
+            # Avoid mutation of invariant term
+            temp_expr = JuMP.QuadExpr()
+            JuMP.add_to_expression!(temp_expr, v.invariant_terms)
+            return JuMP.add_to_expression!(temp_expr, v.variant_terms)
         else
+            # This will mutate the variant terms, but these are reseted at each step.
             return JuMP.add_to_expression!(v.variant_terms, v.invariant_terms)
         end
     end
@@ -1438,11 +1442,18 @@ function add_expression_container!(
     ::T,
     ::Type{U},
     axs...;
+    expr_type = GAE,
     sparse = false,
     meta = IS.Optimization.CONTAINER_KEY_EMPTY_META,
 ) where {T <: ExpressionType, U <: Union{PSY.Component, PSY.System}}
     expr_key = ExpressionKey(T, U, meta)
-    return _add_expression_container!(container, expr_key, GAE, axs...; sparse = sparse)
+    return _add_expression_container!(
+        container,
+        expr_key,
+        expr_type,
+        axs...;
+        sparse = sparse,
+    )
 end
 
 function add_expression_container!(

src/core/parameters.jl

@@ -303,6 +303,11 @@ Parameter to define cost function coefficient
 """
 struct CostFunctionParameter <: ObjectiveFunctionParameter end
 
+"""
+Parameter to define fuel cost time series
+"""
+struct FuelCostParameter <: ObjectiveFunctionParameter end
+
 abstract type AuxVariableValueParameter <: RightHandSideParameter end
 
 struct EventParameter <: ParameterType end