Analysis

September 16, 2026
Interconnection costs for utility-scale energy storage in California are significantly lower than in other major US markets, with developers also benefiting from network upgrade cost reimbursements unavailable elsewhere, according to a senior executive at Rev Renewables.
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September 16, 2026
On 26 August, US President Donald Trump banned the import of inverters, transformers and other power equipment citing a potential risk to US grid security, via emergency executive order (EO).
September 15, 2026
Flexible Connection Agreements (FCAs) must not be used simply to exclude BESS from connecting to the grid, but the industry will have to make do with them and all their imperfections for the foreseeable.
September 15, 2026
BESS project owners, lenders and optimisers kicked off the Energy Storage Summit Germany 2026 today in Berlin with a discussion on developing a bankable project.
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September 10, 2026
We look at the iron-air battery technology of startup Ore Energy, including how it works and technology developments it is pursuing after a recent US$43 million fundraise.
September 9, 2026
The global battery energy storage market is entering a new phase, with shifting cell prices, intensifying competition and rapid international expansion reshaping the supplier landscape.
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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.
September 8, 2026
As the battery storage industry matures through competition and scale, a significant push for efficiency is coming, writes Dr Kai-Philipp Kairies, CEO and co-founder of ACCURE Battery Intelligence.
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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. 
September 1, 2026
We hear from Nikhil Koppaka, senior commercial manager for BESS owner-operator BW ESS on the big opportunities and challenges in Germany’s grid-scale energy storage market.

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