State Road S-33-38 & US Highway 76, Marion, Marion County, SC 29571Clean Energy Developers / Duke Energy Progress
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Public Service Commission of South Carolina docket filings and Duke Energy Progress interconnection agreements target commercial operation for November 2026.[1]The Rhubarb One Solar Project is a 10 MWac utility-scale photovoltaic generation facility located near Marion and Mullins in Marion County, South Carolina. Spanning approximately 85 acres of open coastal plain agricultural land, the project interties with Duke Energy Progress's 69 kV regional transmission network, generating clean renewable power that supports South Carolina's Clean Energy Plan and rural economic development.
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