To compete with clean firm generation, long-duration storage needs to come down massively in price.
Regulators have decided that adding 7.5 GW by 2026 won’t be enough after the Diablo Canyon nuclear plant closes. Can California build so much clean and reliable grid capacity in time?
Design work is beginning for a 500-megawatt project that could be online by 2025.
Can solar and batteries, geothermal power and long-duration energy storage replace the state’s last nuclear plant by mid-decade without increasing carbon emissions?