Stem Inc’s shares begin trading on the New York Stock Exchange today, after the “artificial intelligence-driven clean energy storage services” company completed its business combination with special purpose acquisition company (SPAC) Star Peak Energy Transition Corp.

News in brief from around the world in energy storage.

Stem Inc has completed a front-of-the-meter solar-plus-storage project in Massachusetts that will participate in New England’s wholesale markets run by system operator New England ISO.

Energy storage system integrator and manufacturer Powin Energy has signed a deal to supply its new DC-coupled solutions to developer Amp for projects in the Northeast US.

The US industry deployed 168MW / 288MWh of energy storage in the second quarter of this year, the second highest quarterly figures on record, according to Wood Mackenzie Power & Renewables.

A “first-in-the-nation” policy called the Clean Peak Standard has been launched in Massachusetts, US, whereby a proportion of electricity used on the grid at times of highest demand must be considered ‘clean’.

Adding well-optimised energy storage to solar PV projects in the US state of Massachusetts can increase project revenues by up to 50%, Stem Inc has claimed, as the energy storage provider announced the completion of a front-of-meter solar project with 8MWh of storage.

Massachusetts has issued an emergency regulation to its Solar Massachusetts Renewable Target (SMART) programme, that includes mandating the addition of energy storage on projects over 500kW.

The projects developed through the state’s solar-plus-storage incentive programme are set to produce 11.2MWdc of energy, backed by 10.2MWh of storage.

NEC and developer Kearsage Energy have completed work on a 4.5MW solar PV array, combined with a 1.6MW / 2.8MWh AC-coupled battery energy storage system in Amesbury, Massachusetts.