Project Features

Three wholesale generation and transmission (G&T) cooperatives, Sunflower Electric Power Corporation, Tri-State Generation and Transmission Association, Inc., and Golden Spread Electric Cooperative, Inc., propose to construct the Holcomb Expansion Project (Project). G&T cooperatives are not-for-profit wholesale power suppliers owned by their member electric distribution cooperatives.         

The three partners—Sunflower, Tri-State, and Golden Spread—will jointly own the Project, and Sunflower will extend a Power Purchase Agreement to the participants Mid-Kansas Electric Company, LLC; Midwest Energy, Inc.; and the Kansas Municipal Energy Agency (KMEA). While allocations among Project partners have not been finalized, Sunflower is expected to extend Power Purchase Agreements for it’s 200 MW to  Mid-Kansas, 85 MW; Midwest Energy, 75 MW; and KMEA, 40 MW.         

The Project is proposed for the 10,000-acre site of the existing 362-MW Holcomb unit, located approximately four miles south of Holcomb, Kansas. The Project includes a supercritical pulverized coal (SCPC) unit, capable of generating 895 MW.         

The Holcomb Expansion Project features:         

  • One 895-megawatt supercritical pulverized coal unit at the site of an existing 362-megawatt unit
  • Low-sulfur coal from Wyoming’s Powder River Basin
  • No wastewater discharge
  • State-of-the-art air emissions control technology
  • Powdered activated carbon injection for mercury control
  • 88 additional full-time employees, totaling 368 Sunflower Electric employees


Artist Depiction of Holcomb Unit 1 & 2 © Copyright Bechtel Corporation 2010 all rights reserved