Emmons-Logan Energy Storage Seeks Exempt Wholesale Generator Status

Strategic Insights -

Emmons-Logan Energy Storage, LLC, a subsidiary of NextEra Energy Resources, LLC, has submitted a notice of self-certification to the Federal Energy Regulatory Commission (FERC) to be recognized as an exempt wholesale generator (EWG). The company plans to operate a 140 MW battery energy storage facility in Emmons County, North Dakota, and will sell electric energy, capacity, and ancillary services at wholesale. The facility will interconnect to the Montana-Dakota Utilities' transmission system within the Midcontinent Independent System Operator (MISO) balancing authority area.

Key Takeaways:

  • Emmons-Logan Energy Storage, LLC is a Delaware limited liability company and a wholly owned subsidiary of ESI Energy, LLC, which is a subsidiary of NextEra Energy Resources, LLC.
  • The company plans to operate a 140 MW battery energy storage facility in Emmons County, North Dakota, and will sell electric energy, capacity, and ancillary services at wholesale.
  • The facility will interconnect to the Montana-Dakota Utilities' transmission system within the MISO balancing authority area.
  • Emmons-Logan Energy Storage will not own or control transmission facilities or interconnection facilities other than those necessary to connect the facility to the transmission system.
  • The company may engage in incidental activities such as trading emission allowances, selling "green" power certificates, and engaging in other activities incidental to the sale of electric energy at wholesale.
  • Emmons-Logan Energy Storage makes six representations to certify its EWG status, including its exclusive engagement in the wholesale generation business, lack of transmission or distribution facilities, and absence of retail sales.
  • The company represents that there are no existing leasing arrangements involving the facility that would violate exclusivity requirements.
  • NextEra Energy Resources, LLC is a publicly traded company with 10.55% stake held by The Vanguard Group Inc. as of April 30, 2025.

Statistics:

  • 140 MW: Capacity of the battery energy storage facility
  • 1: Number of transmission facilities or interconnection facilities owned or controlled by Emmons-Logan Energy Storage
  • 6: Number of representations made by Emmons-Logan Energy Storage to certify its EWG status
  • 10.55%: Stake held by The Vanguard Group Inc. in NextEra Energy, Inc. as of April 30, 2025
  • 2025: Date on which The Vanguard Group Inc. held 10.55% stake in NextEra Energy, Inc.

Sources:

  • Notice of Self-Certification of Exempt Wholesale Generator Status of Emmons-Logan Energy Storage, LLC (July 24, 2025)
  • Quarterly Compliance Filing for Q1 of 2025, Docket No. EC19-57-002 (April 30, 2025)
  • VESI 12, LLC, 186 FERC P 61,137 (2025)