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2023 All-Source RFP

PSO is issuing this 2023 All-Source RFP, targeting 1,500 megawatts (MW) of SPP accredited capacity through a combination of Purchase and Sale Agreements (PSA), Power Purchase Agreements (PPA) and Capacity Purchase Agreements (CPA). A portion of this need may be fulfilled through the utilization of PSO’s existing interconnection rights at select generation sites.

Generation resources must have an expected Commercial Operation Date (COD) by 12/15/2027 or alternatively 12/15/2028. 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 2023 All-Source RFP. Further RFP information, documents and schedules can be obtained through this link, http://pso 2023asrfp.rfpmanager.biz/. 1898 & Co. is supporting PSO in this effort.


Draft RFP Issued  October 13, 2023
Technical Conference  November 2, 2023
Final RFP Issued  November 20, 2023
Notice of Intent  5:00 p.m. CDT, December 11, 2023
Proposal Due Date  January 29, 2024
Final Selection and Negotiation  April 8, 2024
Execute Definitive Agreements  October 28, 2024
Regulatory Approvals  September 22, 2025
Notice to Proceed (NTP)  November 21, 2025

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