3 ms·It's energy over time, that makes power. 240 GWh / 1 Year = 27,379,093 W.by Sniffnoy 4y agoIt's energy over time, that makes power. 240 GWh / 1 Year = 27,379,093 W.rat9988 4y agoNo it's not energy over time. GWh of capacity is not energy.Sniffnoy 4y agoIt has dimensions of energy, which is what's being discussed. Things do not need to be measuring the same thing to have the same dimensions.