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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

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Finance
Batteries on the move in Europe: Investors acquire 1.5 GWh from projects in Poland, Romania, UK Grid-scale standalone and co-located batteries are being snapped up, with more than 1.5 GWh acquired, including 1.2 GWh in Poland alone
Tristan Rayner
Nov 21, 2025
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Industry
Waratah Super Battery transformer failure raises complex insurance, procurement questions Interviews with insurance specialists show how a single transformer failure can escalate into a major delay and claims scenario at one of Australia’s largest battery projects.
Tristan Rayner
Nov 19, 2025
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Fire risk and safety
Wärtsilä’s Quantum3 energy storage system passes three major fire safety and explosion tests The successful testing looks to reassure the Finnish firm of its own designs, while further giving confidence to project developers, owners, and the wider community.
Tristan Rayner
Nov 18, 2025
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Grid-scale
Hydro approves largest pumped hydro project in more than 20 years in Norway Norsk Hydro will invest about $110 million after tax to build the Illvatn pumped hydro plant in western Norway.
Tristan Rayner
Nov 18, 2025
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Projects & Applications
One of Greece’s largest battery storage projects moves ahead with Trina Storage PPC Renewables has selected Trina Storage to supply the 50 MW / 200 MWh Amyntaio battery project in Western Macedonia, one of the largest storage builds underway in Greece.
Tristan Rayner
Nov 17, 2025
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Recycling
Moss Landing BESS: Historic battery recycling effort begins for 100,000 damaged lithium-ion batteries Truckloads of damaged battery cells have already been arriving for rapid processing to recycle spent materials into as much as $30 million of battery grade metal feedstocks.
Tristan Rayner
Nov 14, 2025
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Manufacturing
CATL, HyperStrong sign massive 200 GWh battery supply agreement for energy storage The procurement is part of a 10-year cooperation, signaling efforts to secure long-term capacity as stationary energy storage demands rise.
Tristan Rayner
Nov 14, 2025
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Projects & Applications
Canada’s biggest battery breaks ground, e-STORAGE to supply 1.86 GWh system Canada's largest contracted battery project is moving ahead with a ground-breaking ceremony, and developer Potentia has chosen e-STORAGE for full-stack delivery and long-term service.
Tristan Rayner
Nov 13, 2025
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Markets
Europe moves to mandate grid-forming capability for new storage over 1 MW European grid operator ENTSO-E’s has published its 79-page technical report on grid forming requirements as part of Europe's soon to be updated network code for generators. It signals that grid-forming capability will become mandatory for large battery systems, with technical definitions.
Tristan Rayner, Pilar Sanchez Molina
Nov 12, 2025

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