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by mpwoz 6 days ago
For batteries, GWh is the correct unit though (storage). Just not for panels/generators/etc.
1 comments

Really the correct unit is Joules, but try convincing anyone of that.
Watt-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...