The latest renewable energy news includes announcements on Trina Storage, Invinity, Alinta Energy, Oven Mountain pumped hydro energy storage project in New South Wales, and others.
Polaris Renewable Energy Awards Trina Storage Contract for 35.7 MW Eight-Hour Battery in Puerto Rico
Polaris Renewable Energy has awarded Trina Storage an equipment supply contract for the Punta Lima battery energy storage project in Puerto Rico. Announced October 20 and reported October 22, the installation will provide 35.7 MW of power with eight hours of storage duration. Total project investment is estimated at $55 million–$60 million. The facility is being developed under Puerto Rico’s Accelerated Storage Addition Program. Polaris signed a 20-year agreement with the Puerto Rico Electric Power Authority in June 2026. Battery equipment deliveries are scheduled for March–April 2027, with commercial operation expected during Q3 2027. The project will provide electricity capacity and grid support services.
Invinity Secures Conditional £25 Million Funding Package for Vanadium Flow Battery Expansion
British battery technology company Invinity Energy Systems announced the results of its equity fundraising on October 22, confirming £25 million in conditional gross proceeds. The package comprises £10 million from institutional investors, approximately £12.2 million from the UK’s National Wealth Fund and £2.8 million from retail investors. The company plans to issue 250 million shares at 10 pence each. Funding will support vanadium flow battery product development, manufacturing expansion in the United Kingdom and United States, and working capital. The transaction remains subject to shareholder approval at a meeting scheduled for November 11, 2026. Admission of the new shares to trading is expected around November 12.
Alinta Energy Cancels $1.8 Billion, 900 MW Pumped Hydro Storage Project in Australia
Australian energy company Alinta Energy has cancelled development of the 900 MW Oven Mountain pumped hydro energy storage project in New South Wales. The decision was announced October 22 following an assessment of construction economics and infrastructure requirements. The proposed $1.8 billion project was designed to provide approximately 7,200 MWh of electricity storage, equivalent to eight hours of discharge at full output. Located near Armidale, the facility was intended to support renewable-energy integration and electricity supply during peak demand. Alinta cited rising costs and delays involving critical transmission infrastructure as major reasons for withdrawing the development. The cancellation follows several years of engineering studies, planning and environmental assessment.
