four-hour

November 19, 2025
Utility and power firm LEAG has partnered with Chinese system integrator HyperStrong for a 400MW/1,600MWh BESS in Saxony, Germany.
October 6, 2025
Following the recent notification, the Rajasthan government will develop 500MW/2,000MWh of standalone battery energy storage systems (BESS) with a four-hour single-cycle configuration and extended operational life. 
August 13, 2025
Ceylon Electricity Board (CEB), the main electricity company in Sri Lanka, has issued an RFP for large-scale BESS.
June 17, 2025
Infrastructure investor I4B and utility Luminus have closed the financing and launched construction on a 150MW/600MWh BESS project in Belgium.
May 28, 2025
A c.500MWh BESS project in Bulgaria has been inaugurated, claimed as the largest in the European Union (EU).
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May 6, 2025
We caught up with the president of OCI Energy, a developer-operator with a 4-hour BESS in Texas, about the longer duration, long-term project ownership and why the current US-China tariffs create a huge challenge for procurement.
April 22, 2025
Progress on BESS projects in Saudi Arabia and Chile totalling a combined 16GWh of energy storage capacity using Sungrow and BYD batteries has been revealed by the projects’ owners.
February 5, 2025
BESS developer-operator S4 Energy has put a 4-hour duration project online in the Netherlands, the first in the country to become operational.
January 10, 2025
Utility Eneco will optimise a BESS project in the Netherlands that, at 31.6MW/126.4MWh, will be the country’s largest when it comes online before the end of the year.
December 6, 2024
Technology provider Rongke Power has completed a 175MW/700MWh vanadium redox flow battery project in China, the largest of its type in the world.

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