long-duration

August 7, 2025
The hugely anticipated draft National Electricity Market (NEM) review report, led by Tim Nelson, has been released, outlining key market reforms with implications for energy storage.
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July 24, 2025
Steady price falls the past few years have made lithium-ion BESS a real contender for long-duration energy storage (LDES), and that is now reflected in global project pipelines.
July 10, 2025
AGL Energy has acquired the Yadnarie solar thermal project in South Australia from Photon Energy, featuring 720MWh of LDES.
May 1, 2025
UK power generation firm Drax will not bid its Cruachan II pumped hydro energy storage (PHES) project into the LDES cap and floor scheme, saying that costs have risen while ‘recoverability of capital’ is unclear.
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April 30, 2025
Leading BESS owner-operators in the UK have signalled their opposition to the government’s cap and floor support scheme for long-duration energy storage (LDES) in an open letter. We spoke to one its signatories James Basden, founder of Zenobē, about why.
March 17, 2025
The UK government has published a Technical Decision Document confirming crucial aspects of its long duration electricity storage (LDES) cap-and-floor scheme, which includes increasing the minimum duration required from six hours to eight.
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February 4, 2025
Eku Energy’s chief technology officer, Elias Saba, discusses the shift in economics of long-duration BESS in Australia’s NEM.
November 20, 2024
Construction is underway on a 100MWh thermal energy storage project in Finland, using the same ‘Sand Battery’ technology as a 8MWh system which came online in 2022.
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October 17, 2024
We take a look at the UK government’s latest proposal for its long-duration energy storage (LDES) cap-and-floor scheme, how it’s different from the initial one, and get the views of LDES technology firm RheEnergise.
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July 23, 2024
The Energy Research and Development Division of the California Energy Commission (CEC) has issued a report highlighting the importance of energy storage facilities with a discharge duration of eight hours or more in order for the Golden State to reach its target of a zero-carbon electricity grid by 2045. 

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