back to 2 pct

Author: adfarth

src/constraints/storage_constraints.jl

@@ -143,10 +143,10 @@ function add_elec_storage_dispatch_constraints(m, p, b; _n="")
     if hasproperty(p.s.storage.attr[b], :fixed_soc_series_fraction) && !isnothing(p.s.storage.attr[b].fixed_soc_series_fraction)      
         @constraint(m, [ts in p.time_steps],
         # Allow for a 1 pct point buffer on user-provided fixed_soc_series_fraction
-            m[Symbol("dvStoredEnergy"*_n)][b, ts] <= (0.01 + p.s.storage.attr[b].fixed_soc_series_fraction[ts]) * m[Symbol("dvStorageEnergy"*_n)][b]
+            m[Symbol("dvStoredEnergy"*_n)][b, ts] <= (0.02 + p.s.storage.attr[b].fixed_soc_series_fraction[ts]) * m[Symbol("dvStorageEnergy"*_n)][b]
         )
         @constraint(m, [ts in p.time_steps],
-            m[Symbol("dvStoredEnergy"*_n)][b, ts] >= (-0.01 + p.s.storage.attr[b].fixed_soc_series_fraction[ts]) * m[Symbol("dvStorageEnergy"*_n)][b]
+            m[Symbol("dvStoredEnergy"*_n)][b, ts] >= (-0.02 + p.s.storage.attr[b].fixed_soc_series_fraction[ts]) * m[Symbol("dvStorageEnergy"*_n)][b]
         )
     end
 end

src/core/energy_storage/electric_storage.jl

@@ -188,7 +188,7 @@ end
     degradation::Dict = Dict()
     minimum_avg_soc_fraction::Float64 = 0.0
     optimize_soc_init_fraction::Bool = false # If true, soc_init_fraction will not apply. Model will optimize initial SOC and constrain initial SOC = final SOC. 
-    fixed_soc_series_fraction::Union{Nothing, Array{<:Real,1}} = nothing # If provided, SOC (as fraction of total energy capacity) will not be optimized and will instead be fixed to the values provided here +- 0.01 (this buffer is to avoid infeasible solutions) 
+    fixed_soc_series_fraction::Union{Nothing, Array{<:Real,1}} = nothing # If provided, SOC (as fraction of total energy capacity) will not be optimized and will instead be fixed to the values provided here +- 0.02 (this buffer is to avoid infeasible solutions) 
     min_duration_hours::Real = 0.0 # Minimum amount of time storage can discharge at its rated power capacity
     max_duration_hours::Real = 100000.0 # Maximum amount of time storage can discharge at its rated power capacity (ratio of ElectricStorage size_kwh to size_kw)