Malta Inc, developer of a grid-scale electro-thermal energy storage technology, has closed a Series B funding round, raising US$50 million from investors that include Facebook co-founder Dustin Moskovitz.

A US$70 million funding round has been successfully closed by Highview Power, a UK-headquartered company which has developed a liquid air energy storage (LAES) system called the ‘CRYOBattery’.

Australia’s government-owned green bank, the Clean Energy Finance Corporation (CEFC), has pledged AU$300 million (US$192 million) of existing funding towards “building investor confidence in renewable hydrogen”.

Softbank Group’s SB Energy subsidiary is among investors that contributed to a successful US$30 million Series C funding round for ESS Inc, a US-headquartered manufacturer of iron flow batteries that use a proprietary saltwater electrolyte.

Shell has continued to scale-up its interest in distributed energy by participating in a €60 million (US$70.23 million) investment round by German battery storage firm sonnen.

Sunverge, a California-based provider of distributed energy storage and control systems, has closed a US$15 million funding round that it said would support its expansion.