Hawaiian Electric has teamed with Californian storage company Amber Kinetics on a 4-hour duration flywheel energy storage pilot project in Oahu.

The California state legislature and governor Jerry Brown have signed into law four key new energy bills that are set to accelerate energy storage deployment in the Golden State.

Ideal Power, a power conversion expert, has partnered with EnerDel and its lithium-ion batteries to create a mobile solar-plus-storage microgrid for the US Air Force.

RWE International SE (innogy), a leading European energy company, has signed a share purchase agreement to takeover German solar and energy storage specialist Belectric.

There is “great appetite” within the commercial battery storage market, however far more investment certainty is needed over pricing and regulatory hurdles such as double-pricing for it to realise its potential.

Greensmith, the California-based provider of energy storage software and integration services, has partnered with energy equipment manufacturer Wärtsilä to deliver storage systems globally.

South Korean corporate industrial holdings company Doosan has acquired Seattle-based 1Energy Systems, which develops the software platform needed to automatically integrate distributed energy resources (DER) into the grid.

NEC Energy Solutions will provide a 1.2MWh lithium ion battery system for a grid stabilising project in Bavaria, Germany.

A wide-ranging report from UK politicians into the country’s energy system has found that policy has moved at “glacial pace” to adapt to energy storage technologies and urged for faster action.

St Eustatius’ Statia Utility Company (STUCO) has welcomed a “user-friendly” hybrid system which enables it to provide enough clean energy to cover more than 23% of the island’s annual electricity demand.