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2021 Solar PSA RFP

PSO has issued a 2021 Solar PSA RFP to obtain up to 1,350 megawatts (MW) of Solar Energy Resources via multiple purchase and sale agreements (PSA) for purchase of 100% equity interest in the project companies selected. Proposals may include a battery energy storage system (BESS) as an option. The optional BESS must be 1) no larger than 40% of the nameplate solar energy resource, and 2) for 4 and/or 8 hours of capacity.

Proposals will be evaluated based on criteria outlined in the final 2021 Solar PSA RFP. Projects must have a minimum name-plate rating of 50 MW and be operational by December 15, 2024, or December 15, 2025.

To qualify for consideration, Solar Projects must interconnect to the Southwest Power Pool (SPP) RTO and be located in Oklahoma, Arkansas, Louisiana, Texas, Kansas or Missouri. PSO has a preference for Projects located in its service territory or interconnected to its transmission system. Refer to the RFP for additional requirements (See Sections 4 and 9.1).

Proposals are due January 13, 2022. All proposal responses should be directed to the RFP Manager as outlined in the RFP documents.


Draft RFP Posted Online:  September 15, 2021
Bidders Technical Conference:  November 3, 2021 (REVISED)
RFP Issue Date:  November 17, 2021 (REVISED)
Notice of Intent:  November 29, 2021
Q&A Deadline:  January 5, 2022
Proposal Due Date:  January 13, 2022
Final Selection and Negotiation:  March 15, 2022
Execute Definitive Agreements:  August 15, 2022
File for Regulatory Approvals:  September 1, 2022
Required Regulatory Approvals:  May 15, 2023
Notice to Proceed:  June 1, 2023


Bidders Technical Conference

Bidders Technical Conference is scheduled for November 3, 2021.
Place: Webex Event. Please email PSO2021RFP@aep.com for details.
Presentation: Bidders Technical Conference Presentation.


Questions should be directed via email to: PSO2021RFP@aep.com.

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