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Eco · Renewable energy · published 2026-10-09 · via GreentechLead

Japan battery project advances; Maryland storage awards; Kerala-NTPC plan 500 MW system

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Image via GreentechLead

HEXA Energy is developing a 50 MWac battery storage facility in Toyama Prefecture, Japan, with commercial operation planned for May 2028. Maryland conditionally awarded 440 MW of four-hour storage credits to Flatiron Energy's 400 MW Chalk Point project and REV Renewables' 40 MW Jade Meadow III project. Kerala and NTPC reached an agreement in principle to build a 500 MW/2,000 MWh battery storage system at Kayamkulam.

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Tokyo-based HEXA Energy Services is developing the 50 MWac Oyabe battery site in Oyabe City’s Ishinada area, Toyama Prefecture. It aims to begin commercial operation in May 2028, with Shirokuma Power handling balance-of-plant engineering and construction. Japan’s Long-Term Decarbonization Power Source Auction supports the project; HEXA has won 13

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This summary is Al-enhanced to contain extended analysis and broader social context. The original is {NAME); the linked article is the authoritative source. Original headline: “Renewable energy news: HEXA Energy, Flatiron Energy, REV Renewables, NTPC.” Browse more stories.