Jeffrey Energy Center has 18 groundwater monitoring wells, 13 of which have been polluted above federal advisory levels based on samples collected between March 11, 2016 and September 16, 2019. Groundwater at this site contains unsafe levels of sulfate, lithium, molybdenum, boron, arsenic, radium, antimony and cobalt.Site description
Jeffrey Energy Center is Kansas's largest source of electric power, owned by Evergy, and has been producing energy since 1978. The plant has a capacity of 2,004-MW with three units. Evergy has announced that Unit 3 is slated for retirement in 2030, and Units 1 and 2 in 2039. Jeffrey is located near St. Marys, Kansas in Pottawatomie County.
The Bottom Ash Area Landfill has an average fill rate of 6,335 tons per year. The Bottom Ash Pond was closed by April 17, 2018 by routing non-CCR wastewater and then filling the pond. A final cover system with an infiltration layer will be placed, as well as an erosion layer. The total disposal capacity of the Bottom Ash Area is 1,593,100 cubic yards and has an average fill rate of 6,335 tons per year. The FGD Landfill is 148 acres total in size and has a total disposal capacity of 17,870,000 cubic yards. The average fill rate of the FGD Landfill is 70,408 tons per year. The Fly Ash Landfill is 34.5 acres in size and has a total disposal capacity of 3,746,000 cubic yards. The average fill rate is 60,360 tons per year. On June 4, 2018, two employees suffered fatal burns from steam at Jeffrey Energy Center following an equipment failure.