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

Grid-scale

Enlight secures major battery storage projects in Israeli grid tender Enlight has secured a grid connection for 300 MW via two projects in Israel, which will add between 1,300 to 1,900 MWh of energy storage to the grid.

Feb 18, 2025

Grid-scale

It’s official: BYD to supply 12.5 GWh of battery storage in Saudi Arabia Following a report in January, BYD has now officially secured the 12.5 GWh battery energy storage system (BESS) supply deal

Feb 17, 2025

Technologies

Sodium-ion vs. lithium-iron-phosphate batteries Researchers in Germany have compared the electrical behaviour of sodium-ion batteries with that of lithium-iron-phosphate batteries under varying temperatures and state-of-charges. Their work shows how state-of-charge during cycling significantly affects the efficiency of sodium-ion devices.

Emiliano Bellini, Tristan Rayner

Feb 17, 2025

Industry

CEO replaced at US iron flow battery maker ESS Tech ESS Tech changes strategic direction with a new CEO, and a new aim to win contracts with data center operators.

Feb 17, 2025

Grid-scale

Hydrostor nets $200M for its long-duration energy storage ambitions Hydrostor secured convertible note funding as it continues to build large scale, long-duration compressed air energy storage.

Feb 17, 2025

Grid-scale

UK developer secures 400 MW of battery storage approvals in single day Three battery energy storage system (BESS) projects, at 200 MW, 100 MW, and 100 MW, were approved in a day for developer Firstway Energy

Feb 07, 2025

Fire risk and safety

Moss Landing fire leads to emergency regulations Following the Moss Landing fire in Monterey County, local Californian counties are enacting urgency regulations for battery energy storage systems (BESS).

Feb 07, 2025

Grid-scale

Enel switches on a 104 MW battery at solar-plus-storage site in Texas Enel North America has switched on the 'Estonian' facility in Texas, a 202 MW solar PV installation with 104 MW battery energy storage system (BESS)

Feb 07, 2025

Grid-scale

First four-hour battery storage in the Netherlands goes live Rotterdam-based S4 Energy is now operating 10 MW / 40 MWh Tesla Megapack battery energy storage system (BESS) in the Netherlands.

Feb 06, 2025

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