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Independent regulatory commissions

Rock Creek Solar, LLC Seeks Exempt Wholesale Generator Status

Strategic Insights

— 1 min read

Rock Creek Solar, LLC has submitted a notice to the Federal Energy Regulatory Commission (FERC) seeking exemption from certain regulations as a wholesale generator. The solar facility, located in Clinton County, Iowa, will have a capacity of 150 MW and include a 100 MW battery energy storage facility. As an exempt wholesale generator (EWG), Rock Creek Solar will be able to sell electric energy at wholesale rates and engage in other incidental activities such as trading emission allowances and selling green power certificates.

Key Takeaways:

  • Rock Creek Solar, LLC has submitted a notice to FERC seeking exempt wholesale generator status for its 150 MW solar facility in Clinton County, Iowa.
  • The facility will include a 100 MW battery energy storage system and will be connected to ITC Midwest's transmission system within the Midcontinent Independent System Operator (MISO) balancing authority area.
  • As an EWG, Rock Creek Solar will be able to sell electric energy at wholesale rates and engage in other activities such as trading emission allowances and selling green power certificates.
  • The facility will not own or control transmission facilities or interconnection facilities other than those necessary to connect to the transmission system.
  • Rock Creek Solar is a wholly owned subsidiary of NextEra Energy Resources, LLC, a leading renewable energy company.

Statistics:

  • 150 MW: The capacity of the solar facility to be built by Rock Creek Solar, LLC.
  • 100 MW: The capacity of the battery energy storage facility to be built by Rock Creek Solar, LLC.
  • 10.55%: The percentage of publicly traded shares in NextEra Energy, Inc. held by The Vanguard Group Inc. as of the end of the first quarter of 2025.
  • 2025: The year in which The Vanguard Group Inc. held 10.55% of publicly traded shares in NextEra Energy, Inc.
  • 2: The number of authorized transmission and distribution carriers for the Facility.

Sources:

  • Rock Creek Solar, LLC ) Docket No. EG25-____-000 NOTICE OF SELF-CERTIFICATION OF EXEMPT WHOLESALE GENERATOR STATUS OF ROCK CREEK SOLAR, LLC
  • 18 C.F.R. § 366.1 (2024) - Federal Energy Regulatory Commission regulations regarding exempt wholesale generators.
  • 119 Stat. 594 (2005) - Public Utility Holding Company Act of 2005.
  • 93 FERC P 61,270 (2000) - Madison Windpower, LLC.

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