Japanese conglomerate Mitsui & Co. has invested in a 1,300MW wind-plus-solar-plus-storage project development in India.

A seasonal heat storage plant which will have a capacity of about 90GWh looks set to begin construction next year in Vantaa, Finland, with water stored in underground caverns heated to 140°C using renewable energy and waste heat.

A new study has found that the UK could meet its growing power needs predominantly with solar and wind energy, with battery storage and demand response providing flexibility.

German firm talks up its flywheel energy storage system as a solution for wind farms and public transport.

Car marker General Motors says it will underpin its 2015 drive for 100% reliance on renewable energy sources with its expertise in energy storage, and its expansion of solar and wind installations.

Vanadium redox flow technology provider redT energy has passed its G59 pre-testing for its 15kW / 240kWh vanadium flow energy storage systems, which are located at the Power Networks Demonstration Centre (PNDC) in Cumbernauld, Scotland.

The organisers of luxury sporting estate Eishken are planning to install 300MW of pumped hydro storage (PSH) on the Scottish Isle of Lewis to store energy primarily from wind farms on the island.

AES Energy Storage, a subsidiary of AES Corporation, has signed contracts with utility San Diego Gas and Electric (SDG&E) to install two energy storage arrays with a combined capacity of 37.5MW.

The World Bank’s groundbreaking US$1 billion loan for Indian solar will partly focus on improving transmission for solar parks and innovation in wind and energy storage hybrids, according to a senior government official.