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Regulatory

Polaris submits Puerto Rico battery storage pact

By The Northwire Desk — AI Analysis Aug 11, 2025 · 17:19 PIF · 12.42 Polaris Renewable Energy Inc
PIF · Price

Executive Summary

  • Polaris Renewable Energy Inc. (via subsidiary Polaris Power U.S. Inc.) has submitted the Standard Offer 1 (SO1) Agreement to the Puerto Rico Energy Bureau (PREB) for a utility-scale battery energy storage system (BESS) project.
  • The submission is part of the Puerto Rico Accelerated Storage Addition Program (ASAP), with final regulatory approval expected within 30 to 90 days.
  • The project involves co-locating the BESS with the existing Punta Lima Wind Farm, with a forecasted commercial operation date in Q3 2026 under a 20-year term.

Key Details

  • Agreement Submission: LUMA Energy ServCo LLC, acting for the Puerto Rico Electric Power Authority (PREPA), submitted the SO1 agreement to the PREB on August 8, 2025.
  • Parties Involved:
    • Resource Provider: Polaris Power U.S. Inc. (PPUS), a wholly owned subsidiary of Polaris Renewable Energy Inc.
    • Generation Facility Owner: Punta Lima Wind Farm LLC (PLWF), another Polaris subsidiary.
    • Counterparty: Puerto Rico Electric Power Authority (PREPA).
  • Project Specifications:
    • Current Capacity: 71.4 MW (configured as two units of 35.7 MW each).
    • Expansion Potential: Polaris is exploring technical feasibility to expand capacity to 80 MW (two units of 40 MW each) in parallel with the regulatory process.
    • Location: Co-located with the existing Punta Lima Wind Farm.
  • Commercial Terms:
    • Revenue Model: Monthly fixed and performance-based payments from PREPA for energy storage services, including capacity and grid support.
    • Term: 20 years from the commercial operation date.
    • Commercial Operation Date (COD): Forecasted for Q3 2026.
  • Strategic Context: The project supports the Puerto Rico Accelerated Storage Addition Program (ASAP) aimed at strengthening grid reliability through utility-scale battery storage.

Notable Quotes

  • "The submission of the SO1 agreement represents a significant milestone in advancing our energy storage strategy in Puerto Rico. We are proud to support the island's energy resilience goals while leveraging our existing infrastructure at Punta Lima." — Marc Murnaghan, CEO of Polaris
Read the original news release →

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