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Roadrunner Reserve 1 TEP’s largest battery energy storage system began operations in June 2025.
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Roadrunner Reserve 1 TEP’s largest battery energy storage system began operations in June 2025.

  • Nov 5, 2025
  • Nov 5, 2025 Updated Nov 6, 2025
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Roadrunner Reserve 1 TEP’s largest battery energy storage system began operations in June 2025. It’s playing a critical role in supporting resilient grid operations for customers. Video courtesy of Tucson Electric Power.

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