Convergent Energy & Power, a US-Canadian developer backed with investment from Statoil, has just connected up Ontario’s largest single-site behind-the-meter energy storage system to date.

Minnesota electric cooperative Connexus Energy has confirmed recent press reports that it is building 15MW / 30MWh of battery energy storage, while another not-for-profit, Vermont Electric Cooperative, will build a 1.9MW / 5.3MWh system in its service area.

First developed by NASA, flow batteries are a potential answer to storing solar – and wind – for eight to 10 hours, far beyond what is commonly achieved today with lithium-ion. In the first of a two-part special report, Andy Colthorpe learns what the flow battery industry faces in the fight for commercialisation.

ESS Inc, US maker of the only flow battery that uses a battery chemistry based on iron and saltwater electrolytes, is making its first incursion into the Brazilian energy storage market.

Enel has become the latest big name to spy opportunities in the commercial and industrial (C&I) energy storage space in Ontario, Canada, signing an agreement this week for its first project in the region.

The launch of an energy storage ‘as-a-service’ model by lithium battery pioneer Younicos is a “truly mobile offer” the company has said, based around renting assets to clients over two- to four-year contracts.

California’s recent droughts and ongoing need to economise water use have inspired more commercial energy storage at a local water board, with ENGIE Storage delivering a project for the San Diego Water Authority.

A project in Jamaica, pairing utility-scale solar with battery energy storage at a microgrid could become “a model for other countries in the Caribbean and beyond”, the head of the country’s main utility has said.

Calmac, a provider of ice-creating thermal energy storage systems – and ice rinks – has been bought out by a subsidiary of major US manufacturer Ingersoll Rand.

Finland-based power firm Wärtsilä, which is active in the renewable energy and energy storage markets, plans to enter the Indian energy storage market, citing “looming” grid management challenges in the country.