Middle River Power
Renewable Energy Power GenerationIllinois, United States51-200 Employees
Middle River Power operates an asset management platform focused on US power generation assets. The firm conducts rigorous analysis of regulatory changes, generation congestion, utility resource plans, fuel fundamentals, and transmission constraints to guide its management of assets and opportunities. Its portfolio totals more than 8 GW of capacity across natural gas, coal, battery storage, and solar facilities located in California, Texas, Illinois, Maryland, Virginia, West Virginia, and Pennsylvania. Headquartered in Chicago, Illinois, the company emphasizes safe, reliable, and efficient plant operations and relies on experienced personnel and strong relationships with contractors and plant operators. The executive team brings over 120 years of combined energy-management experience. In June 2025, Partners Group announced the acquisition of Middle River Power and a 1.9 GW portfolio of US natural gas plants.