{"name":"Illinois Power Company Drilling Activity in St Clair County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/illinois-power-company/illinois/st-clair","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Illinois Power Company","operatorSlug":"illinois-power-company","state":"IL","county":"St Clair","totalWells":122,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":1,"firstPermitDate":"1959-03-01","lastPermitDate":"2011-11-04"}