US residential solar and energy storage installer Sunrun, energy management platform Renew Home, and Tesla have announced an agreement to deliver more than 16GW of flexible energy capacity to US hyperscalers and utilities.

NatPower and Tesla have signed a multi-year supply and execution agreement covering more than 25GWh of BESS across Italy and the UK.

RWE Renewables Australia has officially opened the 50MW/400MWh Limondale battery energy storage system (BESS) near Balranald in south-west New South Wales.

TagEnergy has commissioned a 240MW/480MWh project in France while Iberdrola has done the same with a 58MW/120MWh system in Spain, the two largest projects in each country. Meanwhile Engie, ACL Energy and Chint Solar Europe have moved to construction on projects in Belgium, Italy and Germany.

Solar Media Market Research analyst Charlotte Gisbourne looks at the changing revenue and margin dynamics in the BESS supplier landscape.

Contact Energy has brought online its first grid-scale BESS, a 100MW/200MWh installation at New Zealand Steel’s Glenbrook site.

There’s been progress on several large-scale BESS projects in the UK, with Matrix Renewables securing financing for its Eccles project and BW ESS enlisting EDF to optimise its Hams Hall one; plus smaller announcements.

Tesla’s quarterly energy storage deployments fell 15% while revenues for its energy division dropped 12% year-over-year from Q1 2025 to Q1 2026.

The Puerto Rico Energy Bureau (PREB) has approved a motion from Tesla, residential solar and battery installer Sunrun, and residential solar installer SunStrong Management to auto-enroll participants in an emergency capacity resource programme.

Engineering firm UGL is progressing the construction of two battery energy storage systems (BESS) in Australia, totalling 2,125MWh.