$\mathit{FC}$	Summation of fixed cost,
$V{C}_s$	Summation of variable cost for scenario $s,$
${\mathrm{\Gamma }}_s$	Summation of fixed and variable cost for scenario $s,$
$\lambda$	Covariate variables for linearization of the max function
${\mathrm{\Gamma }}_{\mathit{ts}}^{\prime }$	Summation of fixed and variable energy for scenario $s,$
$\mathit{FE}$	Summation of fixed energy,
$V{E}_{\mathit{ts}}$	Summation of variable energy for scenario $s,$