Energy Vault and utility NV Energy have put a 220MW/440MWh battery energy storage system (BESS) into operation in Nevada, US.

Investments totalling US$425 million combined have been secured by US storage and solar developer-operators Lightshift Energy and MN8 Energy.

System integrator Powin is working on a new grid-scale BESS product to compete with increasingly competitive product from China, senior VP Danny Lu told us, while also discussing its Waratah project in Australia and fire safety.

The US Department of Agriculture (USDA) is putting US$2.3 billion into projects increasing energy resiliency in rural communities, with two energy storage projects already shortlisted for awards in Arizona and Nebraska.

Developer rPlus and utility PacifiCorp have amended an existing PPA for a solar-plus-storage project, to increase the energy storage resource’s planned size from 400MWh to 1,600MWh.

Zinc-bromine flow battery technology company Redflow has received a grant award and notice-to-proceed (NTP) for two projects in California, US, totalling 21.6MWh.

Battery storage developer and operator Spearmint Energy has brought its first major project online in the ERCOT, Texas market.

China-based lithium-ion battery manufacturer Hithium has agreed to supply 1GWh of products to US energy storage project developer Perfect Power through a memorandum of understanding (MOU).

Investment in energy storage in the US has gradually built up momentum, but what will really take it into the mainstream – and when? A panel of financiers discuss their opinions and experiences in this panel session.

Experts, technology providers and energy system stakeholders discuss how the need for long-duration energy storage can be met, in this panel discussion from the Energy Storage Summit USA hosted earlier this year by our publisher Solar Media.