Duke Energy, headquartered in Charlotte, North Carolina, is an electric power holding company in the United States, with assets also in Canada and Latin America.

As a not-for-profit public utility, the Kansas City Board of Public Utilities (BPU) has provided safe, dependable water and electric services in Kansas City, Kansas, for more than 100 years. Today, BPU services nearly 63,000 electric customers and 50,000 water customers, over approximately a 130 square mile area.

The Orlando Utilities Commission is a municipally-owned public utility providing water and electric service to the citizens of Orlando, Florida and portions of adjacent unincorporated areas of Orange County, as well as St. Cloud, Florida, in Osceola County.

Established in 1923 by a special act of the Florida Legislature, OUC is the second largest municipal utility in Florida and 14th largest municipal in the country. OUC provides electric, water, chilled water and/or lighting services to more than 240,000 customers.

Manitoba Hydro is the electric power and natural gas utility in the province of Manitoba, Canada. Founded in 1961, it is a provincial Crown Corporation, governed by the Manitoba Hydro-Electric Board and the Manitoba Hydro Act. Today the company operates 15 interconnected generating stations. It has more than 527,000 electric power customers and more than 263,000 natural gas customers.

Mitsubishi Hitachi Power Systems, Ltd. manufactures thermal power generation systems. The company offers fossil fuel power plant solutions, such as gas turbines, conventional power plants, gas turbine combined cycle power plants, integrated coal gasification combined cycle plants, boilers, industrial boilers, boiler machinery, steam turbines, industrial steam turbines, turbine generators, and flue gas equipment. It also provides control systems, including integrated supervisory and control systems for thermal power plants; and geothermal power plants. The company was founded in 2014 and is based in Yokohama, Japan.