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Public Service Company of Oklahoma (PSO), an American Electric Power Company, is issuing this 2026 All-Source RFP, targeting up to 4,000 megawatts (MW) of SPP accredited capacity through a combination of Purchase and Sale Agreements (PSA), Power Purchase Agreements (PPA) and Capacity Purchase Agreements (CPA).
Generation resources must have an expected Commercial Operation Date (COD) by 11/30/2029, with requirement for resources located within Oklahoma. The generation resources may include but are not limited to renewables (wind, solar and battery storage) and thermal (natural gas-fired generation, hydrogen and other resources).
Proposals will be evaluated based on criteria outlined in the 2026 All-Source RFP.
Draft RFP Issued November 7, 2025 Bidders Technical Conference December 10, 2025 Final RFP Issued January 2, 2026 Proposal Due Date March 16, 2026 Bidder(s) Selected for Final Contract Negotiations June 15, 2026 Execute Definitive Agreements - August 14, 2026 December 18, 2026 Notice to Proceed (NTP) By December 1, 2027 Commercial Operation By November 30, 2029
Q&A will be compiled and posted here on a weekly basis. To submit a question, please email: PSO2026RFP@aep.com.
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