South Carolina Public Service Commission (SC PSC) integrated resource plan approvals and Santee Cooper[1] milestones target commercial operation in November 2028.
Santee Cooper (South Carolina Public Service Authority) is developing the 75 MWac Colleton Solar Center across rural agricultural acreage near Walterboro in Colleton County, South Carolina. Authorized under South Carolina's clean energy procurement framework overseen by the South Carolina Public Service Commission (SC PSC), the utility-scale solar complex connects directly into the regional 115 kV transmission network, strengthening electrical reliability across the South Carolina Lowcountry.