D vs NRG

Dominion Energy Inc.

Dominion Energy, Inc. produces and distributes energy. The company operates through four segments: Dominion Energy Virginia, Gas Distribution, Dominion Energy South Carolina, and Contracted Assets. The Dominion Energy Virginia segment generates, transmits, and distributes regulated electricity to residential, commercial, industrial, and governmental customers in Virginia and North Carolina. The Gas Distribution segment engages in the regulated natural gas gathering, transportation, distribution, and sales activities, as well as distributes nonregulated renewable natural gas. This segment serves residential, commercial, and industrial customers. The Dominion Energy South Carolina segment generates, transmits, and distributes electricity and natural gas to residential, commercial, and industrial customers in South Carolina. The Contracted Assets segment is involved in the energy marketing and price risk activities. As of December 31, 2020, the company's portfolio of assets included approximately 30.2 gigawatt of electric generating capacity; 10,500 miles of electric transmission lines; 85,600 miles of electric distribution lines; and 94,200 miles of gas distribution lines. It serves approximately 7 million customers. The company sells electricity at wholesale prices to rural electric cooperatives and municipalities, as well as into wholesale electricity markets. The company was formerly known as Dominion Resources, Inc. and changed its name to Dominion Energy, Inc. in May 2017. Dominion Energy, Inc. was incorporated in 1983 and is headquartered in Richmond, Virginia.

NRG Energy Inc.

NRG Energy, Inc., together with its subsidiaries, operates as an integrated power company in the United States. It operates through Texas, East, and West. The company is involved in the producing, selling, and delivering electricity and related products and services to 3.6 million residential, industrial, and commercial consumers. It generates electricity using natural gas, coal, oil, solar, nuclear, and battery storage. The company also provides system power, distributed generation, renewable products, backup generation, storage and distributed solar, demand response, energy efficiency, advisory, and on-site energy solutions; and carbon management and specialty services. In addition, it trades in electric power, natural gas, and related commodities; environmental products; weather products; and financial products, including forwards, futures, options, and swaps. Further, the company procures fuels; provides transportation services; and directly sells energy, services, and products and services to retail customers under the NRG, Reliant, Green Mountain Energy, Stream, XOOM Energy, and other brand names. As of December 31, 2020, it owns power generation portfolio with approximately 23,000 megawatts of capacity at 33 plants. NRG Energy, Inc. was founded in 1989 and is headquartered in Princeton, New Jersey.