Author

Tristan Rayner pv magazine editor

Tristan Rayner pv magazine editor

Tristan Rayner

After studying Electrical Engineering and working in the field in control systems, Tristan turned his attention to editorial roles. Prior to joining pv magazine in 2020, and ESS News in 2024 in Berlin, he was Managing Editor and Founding Editor of tech and other publications in Australia.

With years of experience in news, tech, and energy, he has also contributed to a host of publications and podcasts. He also works on YouTube channel The Friday Checkout, among other roles.

Articles written by Tristan Rayner

Projects & Applications

New Zealand gives approval to 200 MWh solar-plus-storage project A 179 MW solar-plus-storage project near Auckland has won approval from an independent panel, with a commercial decision now able to take place if the project remains viable in light of conditions applied to the build and operation.

Oct 20, 2025

Tenders

Ireland’s long-duration storage path is set: Four hours, high-efficiency, and 201 MW by 2030 EirGrid, the transmission system operator (TSO) for the Republic of Ireland, has launched a consultation outlining how it will procure its first long-duration energy storage (LDES) capacity.

Oct 20, 2025

Finance

Dutch energy storage provider Return raises €300 million to expand battery storage portfolio Return secured the growth capital from Dutch pension investor APG to boost its expansion efforts. And, just months ago, added a 670 MWh ready-to-build (RtB) portfolio in the east of Germany.

Oct 17, 2025

Grid-scale

640 MWh Arizona solar plus storage project selects Fluence for US-made battery systems Torch Clean Energy has chosen Fluence’s Gridstack Pro 5000 energy storage system for the Winchester project in Arizona in the US.

Oct 17, 2025

Finance

Sunotec secures financing for 763 MWh solar and storage portfolio in Bulgaria The portfolio includes six standalone battery projects and one co-located solar-plus-storage facility.

Oct 16, 2025

Grid-scale

Baltic battery report: Get in if you can, says Aurora New analysis from Aurora Energy Research (AER) finds that battery storage projects commissioned in the Baltics will capture high returns if commissioned in 2026 from both immature ancillary and intraday markets. By 2029, though, increased competition will change the outlook.

Oct 16, 2025

Grid-scale

98 MWh Themelio battery project built in under six months, in boost to Greek grid Greece’s grid-scale battery rollout accelerates with new 49 MW / 98 MWh unit in Chalkidiki.

Oct 16, 2025

Industry

Enspired raises ‘over €40 million’ to expand battery optimization beyond Europe Vienna-based enspired has extended its Series B funding to more than €40 million, with a focus on international expansion and a new partnership in Japan through Banpu Next.

Oct 15, 2025

Grid-scale

Intec chosen to deliver 40.7 MWh battery storage project in Germany UK's VPI taps Intec to deliver a standalone battery project in the Hesse region.

Oct 15, 2025

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