Federal Energy Regulatory Commission Requests Additional Information from Appalachian Power Company

The Federal Energy Regulatory Commission (FERC) has issued a request for additional information from Appalachian Power Company (APCo) regarding modifications to certain provisions of five contracts. The Commission has deemed the initial submittal from American Electric Power Service Corporation (AEPSC), acting on behalf of APCo, to be deficient. FERC requires APCo to provide support for the request to modify the contracts, which were entered into under market-based rate authority. The company must respond within 30 days by filing a deficiency letter with the Secretary of the Commission.

Key Takeaways:

  • The Federal Energy Regulatory Commission (FERC) has issued a request for additional information from Appalachian Power Company (APCo) regarding modifications to certain provisions of five contracts.
  • The Commission has deemed the initial submittal from American Electric Power Service Corporation (AEPSC), acting on behalf of APCo, to be deficient.
  • FERC requires APCo to provide support for the request to modify the contracts, which were entered into under market-based rate authority.
  • The company must respond within 30 days by filing a deficiency letter with the Secretary of the Commission.
  • The Commission will consider any amendment or supplemental filing filed after the initial filing and will establish a new filing date accordingly.
  • The response must include at least one tariff record to restart the statutory timeframe for Commission action.
  • Bryan Wheeler at bryan.wheeler@ferc.gov should be contacted for submission of an electronic version of the response.

Statistics:

  • 30 days: the time period within which APCo must respond to the letter order.
  • 1: the number of deficiency letter that must be filed with the Secretary of the Commission.
  • 5: the number of contracts that are subject to modification.
  • 1 tariff record: the minimum required for restarting the statutory timeframe for Commission action.
  • August 2025: the month in which the letter was issued.

Sources:

  • Federal Energy Regulatory Commission, "Washington: Federal Energy Regulatory Commission Issues the following Request for Additional Information" (August 25, 2025).
  • 18 C.F.R. SSS 375.307 and 385.713: Commission regulations governing deficiency letters and rehearing.
  • Appalachian Power Company, MBR AEP Operating Companies, MBR, Market-Based Rates Tariff (6.0.0): The tariff entered into by APCo.
  • Duke Power Co., 57 FERC P 61,215, at 61,713 (1991): A Commission decision referencing the filing of amendments or supplemental filings.
  • Electric Tariff Filings, 130 FERC P 61,047, at PP 3-8 (2010): A Commission decision explaining the document accession process.