Today, the Companies have the privilege of serving more than 4.7 million retail customers across North Carolina and South Carolina with oversight from the North Carolina Utilities Commission (“NCUC”) and the Public Service Commission of South Carolina (“PSCSC”). Additionally, the Companies provide power to wholesale customers, including municipal and cooperative power providers, that supply utility service to customers in areas not served by Duke Energy. As a direct result of constructive policy and regulation in both states, Duke Energy currently owns and operates approximately 36,600 megawatts (“MW”) of diverse electric generating capacity dispersed throughout a 52,000-square-mile service territory that powers the economic vitality of the Carolinas.
DEP and DEC will not be issuing a 2026 Solar RFP for new solar resources and new solar paired with storage (SPWS) resources. DEC and DEP will be combined to one utility (DEC) as of January 1, 2027 and DEC anticipates issuing the next RFP for solar and SPWS resources in 2027. The Companies plan to hold the first stakeholder meeting in Q4, 2026 and open the bid window in June, 2027.DEC will seek new solar resources through the 2027 RFP process to be acquired and owned and operated by the utility (“Utility Ownership Track” or "UOT") 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 the utility via the Company’s renewable power purchase agreement (“PPA”) (“Controllable PPA Track”). The solar and SPWS resource types in the 2027 RFP will be directly interconnected to the DEC (combined DEC and DEP) transmission systems in North Carolina and South Carolina, to reliably serve the Companies’ customers’ future energy needs. The 2027 Solar RFP will not solicit non-solar resources. Further details about the Companies' recent RFP processes can be found on the following sections of this website:2024 RFP Documents (RFP process is complete)2025 RFP Documents (RFP process is complete)2026 RFP Documents (RFP process is deferred) 2026 South Carolina Battery Request for Proposals Process In parallel with the Solar RFPs, DEC and DEP are implementing the 2026 SC Battery Program. The SC Battery RFP seeks proposals for new, standalone four‑hour battery energy storage systems (“BESS”) located in South Carolina to meet the Companies’ future capacity needs.The 2026 SC Battery RFP is targeting approximately 400 MW of new battery storage capacity, procured through a mix of UOT proposals and third‑party Energy Storage Services Agreement (“ESSA”) Track proposals. Battery facilities must be directly interconnected to the DEC or DEP transmission system in South Carolina. The bid window for the 2026 SC Battery RFP is scheduled to open on July 15, 2026.Further details about the Companies' planned 2026 RFP can be found on the 2026 SC Battery RFP Documents section 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 relevant 2024, 2025, and 2026 SPWS 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 2026 SC Battery RFP 2026 RFP Stakeholder Engagement Session 1 April 2, 2026 View Presentation Draft RFP pre-issuance document posted to RFP Website and comment period opens April 21, 2026 2026 RFP Stakeholder Engagement Session 2 April 28, 2026 @ 9am EDT View Presentation Stakeholder comments and feedback due to IE on draft RFP documents May 18, 2026 2026 RFP Stakeholder Engagement Session 3 May 27, 2026 @ 9:30am EDT View Presentation Pre-solicitation Bidders Conference July 14, 2026 @ 9am EDT View Presentation Bid window opens for submission of Proposals July 15, 2026 Notice of Intent to Respond (NOIR) and Confidentiality Agreement due July 21, 2026 Download NOIR & CA Deadline for submission of Proposals (including Bid Input Forms) August 5, 2026 @ Noon EDT Download Forms 2026 RSC Interconnection Request Deadline August 5, 2026 Go to PowerClerk 2026 Solar RFP 2026 RFP Stakeholder Engagement Session February 26, 2026 @ 9:00am EDT View Presentation Draft RFP pre-issuance document posted to RFP Website and comment period opens March 17, 2026 Stakeholder comments and feedback due to IE on draft RFP documents April 16, 2026 2026 RFP Stakeholder Engagement Session TBD Pre-solicitation Bidders Conference TBD Bid window opens for submission of Proposals TBD Notice of Intent to Respond (Appendix N - NOIR) and Confidentiality Agreement due TBD Deadline for submission of Utility-Developed Proposals (including Bid Input Forms) TBD @ Noon EDT Deadline for submission of Third-Party MP-Sponsored Proposals (including Bid Input Forms) TBD @ Noon EDT 2026 RSC Interconnection Request Deadline TBD 2025 Solar RFP 2025 RFP Stakeholder Engagement Session 1 January 29, 2025 @ 10:30am EDT View Presentation 2025 RFP Stakeholder Engagement Session 2 March 11, 2025 @ 10am EDT View Presentation 2025 RFP Stakeholder Engagement Session 3 April 9, 2025 @ 9am EDT View Presentation Draft RFP pre-issuance document posted to RFP Website and comment period opens April 23, 2025 Stakeholder comments and feedback due to IE on draft RFP documents May 23, 2025 2025 RFP Stakeholder Engagement Session 4 June 18, 2025 @ 1pm EDT View Presentation Pre-solicitation Bidders Conference August 13, 2025 @ 10:30am EDT View Presentation Bid window opens for submission of Proposals August 15, 2025 Notice of Intent to Respond (Appendix N - NOIR) and Confidentiality Agreement due August 29, 2025 View & Download Deadline for submission of Utility-Developed Proposals (including Bid Input Forms) September 29, 2025 @ Noon EDT Deadline for submission of Third-Party MP-Sponsored Proposals (including Bid Input Forms) September 30, 2025 @ Noon EDT View & Download 2025 RSC Interconnection Request Deadline September 30, 2025 Previous 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 Pre-solicitation Bidders Conference August 12, 2024 @ 9:30am EDT View Presentation Notice of Intent to Respond (Appendix N - NOIR) due August 15, 2024 View Deadline for submission of Utility-Developed Proposals (including Bid Input Forms) September 29, 2024 @ Noon EDT Deadline for submission of Third-Party MP-Sponsored Proposals (including Bid Input Forms) October 7, 2024 @ Noon EDT (Extended) 2024 RSC Interconnection Request Deadline October 7, 2024 (Extended) 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 EDT Resource Solicitation Cluster Open Scoping Meeting October 13, 2023 @ 10am EDT View Presentation
DEC will seek new solar resources through the 2027 RFP process to be acquired and owned and operated by the utility (“Utility Ownership Track” or "UOT") 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 the utility via the Company’s renewable power purchase agreement (“PPA”) (“Controllable PPA Track”). The solar and SPWS resource types in the 2027 RFP will be directly interconnected to the DEC (combined DEC and DEP) transmission systems in North Carolina and South Carolina, to reliably serve the Companies’ customers’ future energy needs. The 2027 Solar RFP will not solicit non-solar resources.
Further details about the Companies' recent RFP processes can be found on the following sections of this website:
In parallel with the Solar RFPs, DEC and DEP are implementing the 2026 SC Battery Program. The SC Battery RFP seeks proposals for new, standalone four‑hour battery energy storage systems (“BESS”) located in South Carolina to meet the Companies’ future capacity needs.
The 2026 SC Battery RFP is targeting approximately 400 MW of new battery storage capacity, procured through a mix of UOT proposals and third‑party Energy Storage Services Agreement (“ESSA”) Track proposals. Battery facilities must be directly interconnected to the DEC or DEP transmission system in South Carolina. The bid window for the 2026 SC Battery RFP is scheduled to open on July 15, 2026.
Further details about the Companies' planned 2026 RFP can be found on the 2026 SC Battery RFP Documents section of this website.
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 relevant 2024, 2025, and 2026 SPWS 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: