Construction of two large-scale solar-plus-storage projects has begun on the Hawaiian island of O’ahu, totalling 76MW of solar PV and 300MWh of battery storage, by Clearway Energy Group.

Q CELLS has officially launched a home solution that promises a “100% sustainable power supply,” through combining solar and battery storage to meet the majority of demand and a digital cloud solution to cover the rest.

Andy Colthorpe spoke with Janice Lin of the California Energy Storage Alliance on what sort of role energy storage will play in reaching the ‘100% carbon-free retail electricity’ goal of the state’s SB100 legislation. Part 1, with the second half to follow later this week on Energy-Storage.news.

Following news of SB100, legislation that would set California on a path to 100% renewables by 2045, the state is also on the brink of setting up a rebate programme for energy storage equipment sales.

Governor of California Jerry Brown, who likened the Trump administration’s environmental stance as a “declaration of war on America”, looks set to commit his state to a “100% renewable energy” policy.