Scottish Power is a vertically integrated energy company based in Glasgow, Scotland. It is a subsidiary of Spanish utility firm Iberdrola.
Eversource Energy is a publicly traded, Fortune 500 energy company headquartered in Hartford, Connecticut, and Boston, Massachusetts, with several regulated subsidiaries offering retail electricity, natural gas service and water service to approximately 4 million customers in Connecticut, Massachusetts and New Hampshire.
Emera Incorporated is a publicly traded Canadian multinational energy holding company based in Halifax, Nova Scotia. Created in 1998 during the privatization of Nova Scotia Power, a provincial Crown corporation, Emera now invests in regulated electricity generation as well as transmission and distribution across North America and the Caribbean.
Exelon Corporation is an American Fortune 100 energy company headquartered in Chicago, Illinois and incorporated in Pennsylvania. It generates revenues of approximately $33.5 billion and employs approximately 33,400 people. Exelon is the largest electric parent company in the United States by revenue, the largest regulated electric utility in the United States with approximately 10 million customers, and also the largest operator of nuclear power plants in the United States and the largest non-governmental operator of nuclear power plants in the world.
Constellation is an energy company headquartered in Baltimore, Maryland, United States. It is a subsidiary of Exelon. The company provides electric power, natural gas, and energy management services. It has approximately two million customers across the continental United States.
National Grid plc is a multinational electricity and gas utility company headquartered in London, England. Its principal activities are in the United Kingdom, where it owns and operates electricity and natural gas transmission networks, and in the Northeastern United States, where as well as operating transmission networks, the company produces and supplies electricity and gas, providing both to customers in New York, Massachusetts, and Rhode Island.
Delmarva Power is an energy company that provides electricity and natural gas to customers on portions of the Delmarva Peninsula in the states of Delaware and Maryland. The company is a subsidiary of Exelon.
PNM Resources is an energy holding company based in New Mexico. The acronym PNM by itself usually refers to the PNM Resources subsidiary Public Service Company of New Mexico.
Iberdrola is a Spanish multinational electric utility company based in Bilbao, Spain. Iberdrola has a workforce of around 34,000 employees in dozens of countries on four continents serving around 31.67 million customers. Subsidiaries include Scottish Power and a significant part of Avangrid, amongst others. In 2013, the largest shareholder of the company was Qatar Investment Holding. Other significant shareholders included Norges Bank, Kutxabank and Bankia.
Vectren Corporation was a Fortune 1000 energy holding company headquartered in Evansville, Indiana. Through its utility subsidiaries, the company distributed natural gas to approximately one million business and residential customers in Indiana and Ohio. It also distributed electricity to 141,000 customers and had 1,425 MW of primarily coal-fired generating capacity in Indiana. Vectren's nonutility subsidiaries and affiliates offered energy-related products and services to customers throughout the Midwest and Southeast. These included energy performance services and energy infrastructure services.
Integrys Energy Group, Inc. was an American energy company headquartered in Chicago, Illinois. It was formed by the merger of WPS Resources Corp. and Peoples Energy Corp. on February 21, 2007. The Chairman, President, and Chief Executive Officer was Charles A. Schrock. On June 23, 2014, Integrys announced that it was being acquired by Wisconsin Energy Corporation for $9.1 billion. Also in 2014, Integrys entered into an agreement to sell 100% of the Upper Peninsula Power Company (UPPCO) to Balfour Beatty Infrastructure Partners LP for $298.9 million.
Avangrid, Inc., is an energy services and delivery company. AVANGRID serves about 3.1 million customers throughout the state of New York and New England in the United States.
Connecticut Natural Gas (CNG) is a natural gas distribution company that delivers natural gas and energy services to residential, commercial, and industrial customers in the Greater Hartford area and Greenwich, Connecticut areas. CNG is a subsidiary of UIL Holdings Corporation, headquartered in New Haven, Connecticut.
Berkshire Hathaway Energy is a holding company that is 90% owned by Berkshire Hathaway. Berkshire has owned a controlling stake since 1999. The company also controls power distribution companies in the United Kingdom and Canada.
Evergy is an American investor-owned utility (IOU) with publicly traded stock that has its headquarters in Topeka, Kansas, and in Kansas City, Missouri. The company was formed from a merger of Westar Energy of Topeka and Great Plains Energy of Kansas City, Missouri, parent company of Kansas City Power & Light. Evergy is the largest electric company in Kansas, serving more than 1.6 million residential, commercial and industrial customers in the eastern half of the state. Evergy has a generating capacity of 16,000 megawatt electricity from its over 40 power plants in Kansas and Missouri. Evergy service territory covers 28,130 square miles (72,900 km2) in east Kansas and west Missouri. Evergy owns more than 13,700 miles (22,000 km) of transmission lines and about 52,000 miles of distribution lines.
New York State Electric and Gas (NYSEG) is an electric and gas utility company owned by Avangrid that serves customers in New York. NYSEG was incorporated in 1852 as the Ithaca Gas Light Company. Throughout the end of the 19th century and the early part of the 20th century, the corporation went through mergers and acquisitions that combined about 200 utility companies under the name NYSEG. In 1975 the corporation became an 18% partner in the Niagara Mohawk Power Corporation’s Nine Mile Point nuclear plant, and in the 1980s NYSEG completed a series of hydroelectric power plants. In 2008 NYSEG became part of Iberdrola, when Iberdrola bought Energy East.
NextEra Energy, Inc. is an American energy company with about 58 GW of generating capacity, revenues of over $18 billion in 2020, and about 14,900 employees throughout the US and Canada. It is the largest electric utility holding company by market capitalization. Its subsidiaries include Florida Power & Light (FPL), NextEra Energy Resources, NextEra Energy Partners, Gulf Power Company, and NextEra Energy Services.
The United Illuminating Company (UI) is a regional electric distribution company based in Orange, Connecticut. Established in 1899, UI is engaged in the purchase, transmission, distribution and sale of electricity and related services to 325,000 residential, commercial and industrial customers in 17 towns and cities in the greater New Haven and Bridgeport areas. It is a subsidiary of Avangrid.
CH Energy Group, Inc. is most known for its subsidiary Central Hudson Gas & Electric, commonly known as Central Hudson. Central Hudson Gas & Electric delivers electricity and natural gas to residents of a 2,600-square-mile service territory that extends north from the suburbs of metropolitan New York City to the Capital District at Albany. It is a subsidiary of Fortis Inc., a diversified electric utility holding company based in Canada, though Central Hudson is headquartered in Poughkeepsie, NY.
