You can refine your search with Technology Type, Location, etc
For example: with Battery, in France I found two Porjetcs:
- One in Brittany, based on Sodium Sulfur Batteries, providing 1GW for 7:12 :
and a Second One in French Riviera, Nice, based on Lithium-ion (what exact technology of li-ion ?), providing 1GW also, but for 30mn only
Maybe I should try and add my DIY ESS
It is small, BUT, if 500 families install this kind of system at home, they would provide also 1GW of power for several hours, captured from solar or/and wind, produced locally ...