5 ms·For batteries, GWh is the correct unit though (storage). Just not for panels/generators/etc.by mpwoz 3mo agoFor batteries, GWh is the correct unit though (storage). Just not for panels/generators/etc.vizzier 3mo agoReally the correct unit is Joules, but try convincing anyone of that.beAbU 3mo agoWatt-hours and joules are the same thing, and you are indeed technically correct, but you'll get funny looks if you ask to buy an 18MJ BESS for your home...