Swiss vertically-integrated battery and energy storage system and equipment maker Leclanché has followed sonnen in netting a significant amount of investment to go into the second half of 2018, securing CHF75 million (US$76 million) from its main existing investor.

The failure of a grid-connected storage system at a solar farm in Hawaii is part of the learning process the US island state is undergoing to integrate more PV using storage, according to analyst Dean Frankel at Lux Research.