In order to solve this problem, use the following equations and steps shown: \begin{align} &\cssId{Step1}{E_{VSAP} = n · P_{VSAP} · 365*t}\\[3px] &\cssId{Step2}{E_{VSAP} = 123.66 MWh = 445.2 · 10^3 MJ}\\[3px] &\cssId{Step3}{c_{VSAP} = c_{electr}·E_{VSAP}}\\[3px] &\cssId{Step4}{c_{VSAP} = 16,941€}\\[3px] \end{align}