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capacity market auctions

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Auctions
Batteries awarded 1.22 GW in UK capacity market auction for 2029 delivery Provisional results show more than 100 battery energy storage systems (BESS) awarded capacity market contracts in latest T-4 auction for Great Britain’s energy grid, with the vast majority of BESS contracts awarded to new-build capacity.
Matthew Lynas
Mar 11, 2026
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Auctions
UK floats capacity market rule changes for BESS and other technologies Proposals could see BESS assets self-nominate their connection capacity at auction to ensure long-term delivery, despite degradation, as well as simplifying reporting rules for behind-the-meter storage assets traded by demand-side response aggregators.
Matthew Lynas
Oct 07, 2025
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Chart showing average total gross margins
Tenders
Poland’s new capacity market auction could hamper BESS The draft parameters for this year’s capacity market auction in Poland could make the rollout of battery energy storage systems (BESS) much more difficult. The document proposes a significant reduction to the BESS derating factor that could be particularly harmful for longer duration storage systems.
Marija Maisch
May 31, 2024
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