Illinois Power Resources Generating, LLC (IPRG) is an energy company based in Collinsville, Illinois, and is an affiliate of Luminant, a competitive power generation business, which itself is a subsidiary of Vistra Energy (NYSE: VST). Vistra Energy is a large, integrated power company with approximately 41,000 megawatts of generation across 12 states. IPRG was acquired by Dynegy in 2013, which later merged with Vistra.
Historically, IPRG operated coal-fired power plants in Illinois, including the Edwards Power Plant. The Edwards Power Plant's boiler operations ceased by December 31, 2022, and the company is currently involved in the closure of coal combustion residual (CCR) surface impoundments, with full closure expected by October 2028. As part of Vistra's "Retire & Renew Initiative," IPRG is transitioning its former coal plant sites to develop utility-scale solar generation and battery energy storage opportunities.
Illinois Power Resources Generating, LLC exhibits the litigation posture of an operating company defending against patent infringement claims. The company has been involved in one tracked case as a defendant and zero as a plaintiff. This single case, Midwest Energy Emissions Corp. et al. v. Arthur J. Gallagher & Co. et al., was filed on July 17, 2019, in the U.S. District Court for the District of Delaware.
The notable case, Midwest Energy Emissions Corp. et al. v. Arthur J. Gallagher & Co. et al., involved patent infringement allegations concerning technology for capturing mercury emissions from coal-fired power plants. Illinois Power Resources Generating, LLC was one of many defendants, including other companies in the coal industry, in this lawsuit. In March 2024, a jury in the District of Delaware assessed liability against a group of these coal industry companies, resulting in a $57 million verdict for Midwest Energy Emissions Corp..