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Wire · technology

Ørsted puts 500MWh Old 300 Texas BESS into operation - Energy-Storage.News

6 August 2026 · By · Wire by Fusion42

Published

6 August 2026

Topic

technology

◆ Sectors

Climate Tech

◆ Geography

United States

◆ Source

Read at energy-storage.news →

◆ Verified

Fusion42 · 30 August 2026 · Fusion42 review

Ørsted has commissioned its 250MW/500MWh Old 300 battery energy storage system (BESS) in Needville, Texas, fully integrating it into the ERCOT grid. The project uses Tesla Megapacks and aims to enhance grid stability and generate significant local tax revenue.

This Wire brief sits within Fusion42's coverage of Climate Tech.

◆ ◆ The Wire takeaway

Texas grid operators now have a significant new resource for balancing power, meaning you can pitch your energy storage or grid services solutions with stronger local validation and new potential partners. Tesla’s involvement signals a ready supply of large-scale battery systems you can integrate in US renewables projects.

◆ Coverage

1 source · 6 Aug 2026

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◆ Topics

Climate Techenergy-storagebesstesla-megapackercotgrid-stabilitytexas