US wholesale electricity supplier NextEra Energy Resources has said 700MW of contracted battery energy storage resources it will deploy in California within two years could be followed by a further 2,000MW pipeline of battery projects under development in the state.

Hyderabad-headquartered firm Greenko Energies has received state government approval for a huge renewable energy project involving 1GW of solar, 550MW of wind and 1.2GW of pumped energy storage in the Indian state of Andhra Pradesh.