Public Service Company of Oklahoma All-Source RFP


Public Service Company of Oklahoma (PSO), an AEP company, is seeking a combination of resources including renewables (wind, solar and battery storage) and thermal (including natural gas) to meet the current and future needs of its 572,000 electric customers in Oklahoma.

Generation resources must provide fully accredited capacity no later than 12/15/2028 and may include but are not limited to:

  • Renewables: Including wind, solar, and battery storage.
  • Thermals: Including natural gas-fired generation, hydrogen, nuclear and other resources.

Eligible transaction structures include Purchase Sale Agreements (PSA), Power Purchase Agreements (PPA), and Capacity Purchase Agreements (CPA).

Please submit documents on the ‘Submit Documents’ tab and direct all questions to the ‘Submit Questions’ tab. Responses to questions will be posted publicly unless the bidder request confidentiality. All other communication should be directed to Please do not contact PSO personnel directly. 


Technical ConferenceThursday, November 2, 2023 2pm-3pm ET
RFP IssuedMonday, November 20, 2023
Submit Intent to Bid3:00 p.m. EDT, Monday, December 11, 2023
Proposal Submittal Due Date3:00 p.m. EDT, Monday, January 29, 2024
Bidder(s) Selected For Final Contract Negotiations
Friday, June 28, 2024
Contract ExecutionDecember 2024 - January 2025