System integrator Stem Inc has received a warning from regulators over its NYSE listing, while zinc battery technology firm Eos Energy Enterprises completed the first milestones related to private equity firm Cerberus’ investment.

IPP Invenergy has put a 50MW BESS into commercial operations in Arizona, US, its 10th in the state.

EVLO Energy, the battery energy storage system (BESS) integrator arm of Canadian utility Hydro-Quebec, has launched a 20-foot 5MWh product.

Independent power producer (IPP) NextEra Energy Resources (NEER) is set to build a 600MW standalone BESS facility in the City of Ontario, California, half of which is tied to a utility agreement.

IPP Vitis Energy has acquired a 200MW BESS project in the ERCOT, Texas market from developer Black Mountain Energy Storage (BMES).

D. E. Shaw Renewable Investments (DESRI) has started construction on a 130MW solar, 260MWh battery storage facility in New Mexico.

IPP Ormat Technologies has signed seven-year tolling agreements with Equilibrium Energy for two BESS projects in the ERCOT, Texas market.

US firm Natron Energy has announced plans for a sodium-ion gigafactory in North Carolina, while two Chinese firms have firmed up their projects, all-in-all totalling over 30GWh of annual sodium-ion production capacity.

IPP Arevon has been given the green light for the construction and operation of a standalone 200MW/800MWh battery energy storage system (BESS) facility in Los Angeles County, California through the California Environmental Equality Act (CEQA) review process. 

Executives from battery energy storage system (BESS) integrator Fluence discussed the company’s recent third quarter results in an earnings call with analysts.