Invenergy, a Chicago-based solar company, wants to build a solar-powered, 250-megawatt electric generating facility in Pleasant and Prairie townships in western Franklin County.

Josh Hreha, Invenergy development manager, outlined the proposed project last week for the Big Darby Accord Advisory Panel. The panel reviews site development plans and zoning applications in the Big Darby watershed to make sure they conform with the watershed protection accord and renders nonbinding opinions to jurisdictions where projects are proposed.