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

Finnish-made 10 MWh BESS sets speed record: Six months from start to operation A 10 MWh battery energy storage system (BESS) is online in Finland, with a high domestic content of hardware and software from Finnish company Cactos

Feb 06, 2025

Products

Risen Energy and Brazil’s MTR Solar Group sign a 1GW agreement for energy storage solutions Risen Energy and MTR Solar Group have signed an agreement to jointly develop 1 GW of battery energy storage system (BESS) solutions, building on their collaboration in the Latin American market. Risen Energy made a brief announcement on several of its company’s LinkedIn pages, following earlier reports posted to Tencent QQ in China. Reports also […]

Feb 06, 2025

Flow batteries

Redox recap: New flow battery JV in US, Japanese utility adds 12.5MWh flow battery A new joint venture (JV) aims to establish domestic vanadium electrolyte production for flow batteries, while a new Japanese redox flow project has been announced in a remote location.

Feb 05, 2025

Finance

Australian grid-scale battery storage earns $43.6M in Q4, 2024 Net revenue for Australian grid-connected battery energy storage systems (BESS) more than doubled in year-on-year comparisons of the final quarter.

Feb 05, 2025

Manufacturing

US battery energy storage manufacturer KORE Power halts Arizona factory The Arizona battery energy storage system (BESS) cell manufacturing plant is on hold, with little detail provided by Kore. The founder and CEO has also stepped down.

Feb 04, 2025

Projects & Applications

Georgia Power’s 2025 IRP: Further shift towards battery storage State resourcing plans are increasingly updating battery energy storage systems (BESS) plans, especially those tied to solar.

Feb 04, 2025

Containers of battery energy storage solution

Markets

Battery storage in California delivering as a daily workhorse, details IEEFA report An institute report details how batteries are now regularly capturing otherwise-curtailed solar generation, and are firmly integral to daily grid operations.

Feb 04, 2025

Industry

Volta’s 2024 Battery Report: Falling costs drive battery storage gains The 500 page report offers a full picture of the battery industry, including a deep focus on battery energy storage systems (BESS).

Jan 29, 2025

Products & Services

Why EcoFlow developed a home energy management system of its own EcoFlow has made a name for itself in portable power stations, and is taking further steps in software by embracing the challenge of developing a home energy management system.

Jan 21, 2025

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