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September 9, 2026
In this interview with ESN Premium, Sahand Karimi of OptiGrid discusses how BESS warranties and constraint management shape trading behaviour.
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September 8, 2026
PJM has proposed a major overhaul of how it procures power capacity in response to surging data centre demand that has driven auction prices up more than 1,000% in two years and threatens to add US$70 per month to average household electricity bills by 2028.
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September 4, 2026
Tesla was one of the pioneers of the grid-scale battery storage market, but has faced increasing competition in the past few years. In this article we look under the hood of its latest grid-scale BESS product, the Megapack 3. 
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September 3, 2026
Inertia could provide a strong boost to BESS project returns in Germany, but operators are still waiting for the first prequalified inverters.
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September 1, 2026
North American Electric Reliability Corporation (NERC) issued its most urgent grid reliability warning in response to artificial intelligence data centres causing massive, near-instantaneous power fluctuations.
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August 31, 2026
Speaking to ESN Premium, Kashish Shah of Wärtsilä explains why Australia’s volatile market structure makes it uniquely suited for battery storage.
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August 28, 2026
China’s listed battery storage companies have entered the peak interim reporting season, with H1 2026 likely marking the broadest profit recovery in recent years.
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August 27, 2026
A total of 18GWh of large-scale BESS capacity came online in July 2026, of which China accounted for 70%. 
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August 26, 2026
In May, US automotive group Ford made the surprise announcement that it was launching a BESS product via new division Ford Energy. In this deep dive article, we look at its product’s specifications and how they compare to other existing solutions.
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August 25, 2026
Raafe Khan of Camelot Energy Group breaks down financial realities, market contradictions, and other dynamics shaping the energy storage space.

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