Notice of Filing and Public Hearing Docket No. 2025-253-E Application of TOCE SC Solar 1, LLC for a Certificate of Environmental Compatibility and Public Convenience and Necessity for the Construction and Operation of a 170 MW Solar Facility in Sumter County, South Carolina Pursuant to S.C. Code Ann. § 58-33-10 et seq. Why is this Notice Important, and what is TOCE Solar's Electric Generation Siting Energy Infrastructure Project in this Case? TOCE SC Solar 1, LLC ("TOCE Solar" or "Company") filed an application for a Certificate of Environmental Compatibility and Public Convenience and Necessity ("CECPCN") with the Public Service Commission of South Carolina (the "Commission").What is TOCE Solar's target date for substantial completion of construction and power delivery for the White Palmetto Project? Quarter One of 2028 Why is TOCE Solar asking the Commission to issue a CECPCN in this case?South Carolina Public Service Authority ("Santee Cooper") and Central Electric Power Cooperative, Inc. ("Central") each awarded the White Palmetto Project separate power purchase agreements ("PPA") pursuant to Santee Cooper's 2024 Request for Proposals ("RFP") for solar generation: ­ Santee Cooper's PPA will be for 98 MWAC of the White Palmetto Project's energy and capacity; and ­ Central's PPA will be for the remaining 72 MWAC of energy and capacity. ­ Santee Cooper's RFP expects power delivery no later than December 31, 2028. Does TOCE Solar's application include a request for the Commission to preempt local ordinances? Yes. TOCE Solar requests that the Commission preempt Sumter County's special exception zoning requirement and any other local laws that affect in any way the development, construction, and operation of the White Palmetto Project. The case was filed according to S.C. Code Ann. Sections 58-33-10 et seq., 58-37-100 et seq. and, the hearing is scheduled according to S.C. Code Ann. Section 58-33-130, 58-37-100 et seq. and S.C. Code Ann. Regs. 103-817. A public hearing has been scheduled in this case to begin on Monday, December 1, 2025, at 11:00 a.m., with only attorneys present for procedural issues and no witnesses and reconvening on Wednesday, December 10, 2025 at 10:00 a.m. to receive evidence and hear from witnesses at the Public Service Commission, Hearing Room, 101 Executive Center Drive, Columbia, SC 29210. For information on this entire Case,visit: https://dms.psc.sc.gov/Web/Dockets/Detail/119476 Intervention deadline: Tuesday, October 14, 2025 Manner of filing Intervention: Email a Petition to Intervene to contact@psc.gov or mail a Petition to Intervene to 101 Executive Center Drive, Suite 100, Columbia, SC 29210. Please include your email address. You must give acopy of your Petition to Intervene to all Parties in this case. Manner to file Letters of Protest: File Public Comments or Letters of Protest by emailing contact@psc.gov or mail Public Comments or Letters of Protest to 101 Executive Center Drive, Suite 100, Columbia, SC 29210. For questions regarding this filing, contact the Office of Regulatory Staff at 1-800-922-1531, the South Carolina Department of Consumer Affairs at 1-800-922-1594, TOCE SC Solar 1, LLC, 803-255-9524, or for public information on this filing, contact the Public Service Commission at 1-803-896-5100. September 8, 2025 IPL0274612 Sep 22 2025