NRG Energy, Inc., together with its subsidiaries, operates as a power company. The company provides electricity; system power, distributed generation, solar and wind products, backup generation, storage and distributed solar, demand response, energy efficiency, and on-site energy solutions; carbon management and specialty services; and various energy services, such as operations, maintenance, technical, development, and asset management services. It owns and operates approximately 52,000 MWs of generation. The company also offers retail energy, rooftop solar, portable solar and battery products, and home services; and various bundled products, which combine energy with protection products, energy efficiency, and renewable energy solutions, as well as offers installation and contract management services for residential solar customers. As of December 31, 2014 it served approximately 2.8 million recurring customers; 299,000 discrete customers; and 13,000 rooftop solar customers. In addition, the company owns, operates, and develops solar and wind power projects; develops, constructs, and finances a range of solutions for utilities, schools, municipalities, and commercial markets; and trades in electric power, natural gas, oil, weather, and related commodity and financial products, including forwards, futures, options, and swaps. It operated 95 active fossil fuel and nuclear plants, 14 utility scale solar facilities, and 35 wind farms and multiple distributed solar facilities. Further, the company transacts in and trades fuel and transportation services; directly sells energy, services, and products and services to retail customers under the NRG name; and provides steam, hot water, and chilled water, as well as electricity to commercial businesses, universities, hospitals, and governmental units. NRG Energy, Inc. was founded in 1989 and is headquartered in Princeton, New Jersey.