Residential battery energy storage systems (BESS) across California discharged more than 580MW of peak power to the state’s grid on the evening of 9 September 2026 via a Tesla-Sunrun VPP.

IPP Eolian has closed a US$463 million financing package to support the continued construction of Padua 2 and Padua 3, two battery energy storage systems (BESS) totalling 350MW/1.7GWh in Bexar County, Texas.

Tesla has issued a product recall on its Powerwall 2 residential battery storage solution across Australia due to a “battery cell defect” from a third-party supplier.

US residential solar installer Sunrun’s virtual power plant (VPP) in California has more than quadrupled in size from 2024 to support the state’s grid as summer weather begins.

Three virtual power plant (VPP) programmes have been announced in California and Colorado. Two of them will use Tesla’s Powerwall battery. Another is attempting to change customer habits to save energy and money.

“It won’t be long” before Tesla’s stationary energy storage business is shipping 100GWh a year, CEO Elon Musk has claimed.

Tesla more than doubled its ‘all-time-high’ quarterly deployment numbers for energy storage in the second quarter of this year.

A roundup of energy storage news announcements from Energy Vault, Mitsubishi Power Americas and Tesla.

Tesla deployed more than a gigawatt-hour of battery storage in Q2 2022, but the company has been impacted by component supply issues.

Tesla has reported more than 200% year-on-year increases in both solar and energy storage deployments for the second quarter of this year, during which time the company also produced and delivered more than 200,000 vehicles.