RE: 108GW of offshore wind and 140GW of storage needed by 20358 Jun 2021 13:28
Its good to see some more realistic figures presented. The governments announcement of 40GW wind by 2030 was always in danger of being accepted as meeting net-zero targets, which it doesn't.
The bit about 140GW storage in batteries confuses matters though as 140GW is not a capacity. If they mean 140GWh capacity that's only a few hours storage for a typical day if you're trying to supply the grid without any fossil. Longer term storage (hydrogen, cryogenic-air, flow batteries, hydro) is more likely to be needed to support the many consecutive days we've either got too much or too little wind.