Closed Illinois coal mine now home to 186-MW solar system
2 February 2026 at 12:56
Sol Systems has completed the 186-MWDC Tilden Solar Project built on more than 1,000 acres of a subsurface coal mine in Southern Illinois. The $345 million project brings new life to land long shaped by Americaβs energy history, transforming a complex legacy site into modern clean energy infrastructure that will generate approximately 319 GWh ofβ¦
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