You are reading a single comment by @salad and its replies.
Click here to read the full conversation.
salad-
We figured it out decades ago, opened in 1984:
https://youtu.be/McByJeX2evM
Two lakes with a 535M elevation difference. 9.1GWh of storage, max output 1.7GW, so about 5 hours at full chat.
Tijmen
Emyr
Because wind is cheaper. Both are intermittent in different ways, so storage needs to be solved either way.