alt Hacker NewsBuilding enough battery to cover the night is still 20,000 to 30,000 GWh. For comparison, global annual battery output in 2025 was 2,200 GWh. Of which only ~ 300GWh went to grid storage.
Even just diurnal storage for a completely renewable grid is a truly enormous amount of storage.
Given a 10-15 year lifetime of the batteries, with BEVs being flexible storage consumers that seems well within reach in a couple of years?
We’re seeing the reshaping of the entire global energy system. Either we jump on the train or get run over.