RFP Website
Welcome to the website for the Solar and Solar paired with storage (“SPS”) procurement programs (“Solar Procurement Programs”) issued by Duke Energy Carolinas, LLC (“DEC”) and Duke Energy Progress, LLC (“DEP” and, together with DEC, the “Companies”). To receive updates about the Companies’ Solar Procurement Programs, follow the instructions on the "Register” section of this website.

Duke Energy Carolinas and Duke Energy Progress

DEC and DEP are subsidiaries of Duke Energy Corporation. Duke Energy Corp. offers energy services to approximately 7.4 million customers in the Carolinas, Florida, Ohio, Kentucky and Indiana, and retail natural gas services to more than 1.5 million customers in the Carolinas, Ohio, Kentucky and Tennessee. DEC and DEP are regulated public utilities primarily engaged in the generation, transmission, distribution and sale of electricity in portions of North Carolina and South Carolina. DEC owns 20,200 megawatts of energy capacity, supplying electricity to 2.7 million residential, commercial and industrial customers across a 24,000-square-mile service area. DEP owns 13,000 megawatts of energy capacity, supplying electricity to 1.6 million residential, commercial and industrial customers across a 29,000-square-mile service area.

Request for Proposals Process

The 2023 request for proposal (“RFP”) process is currently underway and not accepting additional proposals at this time. The 2023 RFP had the following target:

  • 2023 RFP: 1,435 megawatts (“MW”) of solar resources, including 735 MW of solar-only resources and 700 MW of solar paired with approximately 260 MW of battery storage, subject to a Volume Adjustment Mechanism (“VAM”) described in the 2023 RFP document.

DEC and DEP are currently jointly implementing the 2024 RFP to procure new solar photovoltaic generating facility resources and new solar photovoltaic paired with lithium ion battery energy systems. The 2024 RFP has the following target:

  • 2024 RFP: 1,585 MW of solar resources, including 535 MW of solar-only resources and up to 1,050 MW of solar paired with approximately 400 MW of battery storage, subject to a VAM described in the 2024 RFP Pre-Issuance Proposal document.

The solar and SPS resource types in the 2024 RFP will be directly interconnected to the DEC and DEP transmission systems in North Carolina and South Carolina to reliably serve the Companies’ customers’ future energy needs.

The Companies are seeking new solar resources through the 2024 RFP process to be acquired and owned and operated by DEC or DEP (“Utility Ownership Track”) or that will be owned and operated by independent power producers and that will sell the full output including all renewable and environmental attributes generated by the facility and delivered to DEC or DEP via the Companies’ renewable power purchase agreement (“PPA”) (“Controllable PPA Track”). The 2024 RFP is not soliciting non-solar resources.

The 2024 RFP pre-solicitation process is currently open for market participant review, questions and comments on the draft 2024 RFP. The Companies plan to open the bid window on August 15, 2024.

Further details about both the 2023 and 2024 RFP processes can be found in the “2023 RFP Documents” and “2024 RFP Documents” sections of this website.

CRA International (“CRA”)

The Companies have retained Charles River Associates (“CRA”) to administer the RFP processes as an Independent Evaluator (“IE”). CRA is responsible for reviewing and utilizing the 2023 and 2024 SPS Program Methodology to evaluate all Proposals in accordance with the evaluation process established and described herein and ensuring that all Proposals are treated equitably throughout the RFP. Several important milestone dates for the RFP processes are shown below:

RFP Process Timelines

2024 RFP
2024 RFP Stakeholder Engagement Session 1 January 30, 2024 @ 9:30am EDT
(View Presentation >)
2024 RFP Stakeholder Engagement Session 2 March 14, 2024 @ 9am EDT
(View Presentation >)
Draft RFP pre-issuance document posted to RFP Website and comment period opens April 22, 2024
Stakeholder comments and feedback due on draft RFP document May 22, 2024
2024 RFP Stakeholder Engagement Session 3 June 14, 2024 @ 10:30am EDT
(View Presentation >)
2023 RFP
Draft PPA and RFP documents posted to RFP Website and comment period opens April 21, 2023
Stakeholder comments and feedback due to IE on draft RFP documents May 22, 2023
Stakeholder meeting to discuss market participant feedback on RFP documents June 20, 2023 @ 9am EDT
(View Presentation >)
Final RFP documents posted June 30, 2023
Pre-solicitation Bidders Conference August 7, 2023 @ 9am EDT
(View Presentation >)
RFP issued and Bid window for submission of Proposals opens August 15, 2023
Notice of Intent to Respond (NOIR) Form Due
(Appendix N-NOIR Form is available on the RFP Documents page)
August 15, 2023
Proposals Due September 29, 2023, Noon ET
Resource Solicitation Cluster Open Scoping Meeting October 13, 2023 @ 10am EDT
(View Presentation >)