Waste heat to power facility in Washington Court House, Ohio.
Back in March we told you Tallgrass was bolting waste-heat-to-power gear onto three Rockies Express (REX) compressor stations in Ohio and Indiana (see Rockies Express Compressor Stations Turn Waste Heat into Power). Those three were the sequel. Yesterday we got word the original is now up and running. Tallgrass, Kanin Energy, AES Ohio, and the University of Dayton announced that a waste-heat recovery system tied to the REX compressor station at Washington Court House (Fayette County), Ohio, is now generating electricity — enough to cover 100% of the university's power needs under a 15-year power purchase agreement (PPA). The system is expected to crank out roughly 78,000 megawatt-hours (MWh) a year, trim about 55,000 metric tons of carbon dioxide annually, and cut UD's carbon footprint by 71%. Construction started in October 2024 and wrapped up in early 2026.
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