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.

How do you ensure quality and performance and mitigate risk when buying BESS equipment? Expert speakers from consultancies, analytics firms and independent power producers discussed the topic in a recent panel discussion.

BESS developer-operator Harmony Energy has started construction on a 100MW/200MWh BESS in France, its third to reach that stage in the country.

LG Energy Solution has entered into a US$4.3 billion supply agreement with Tesla, announced by the US government, while simultaneously upgrading its EV battery plant with GM for ESS cells.

South Korean battery and electronics materials manufacturer Samsung SDI has secured a KRW1.5 trillion (US$1 billion) deal to supply energy storage system (ESS) batteries for a US energy company.

Tesla is set to officially launch its first vehicle-to-grid (V2G) programme in Texas, US, soon with eyes to expand into California.

Tesla reported company-high energy storage deployments and revenue growth in 2025 but expects “low-cost competition” and policy factors to affect margins this year.