Centrica plc operates as an integrated energy company in the United Kingdom, Ireland, Norway, North America, and internationally. The company operates through British Gas Services & Solutions, British Gas Energy, Centrica Business Solutions, Bord Gáis Energy, Energy Marketing & Trading, and Upstream segments. It supplies gas and electricity to residential customers, as well as offers energy-related services; and generates power from nuclear assets. The company also provides installation, repair, and maintenance services for domestic central heating, plumbing and drains, home electrical, and gas and kitchen appliances; and heating, ventilation, and air conditioning equipment, as well as offers breakdown services. In addition, it is involved in the procurement, trading, and optimization of energy; procurement and sale of LNG; and supplies energy efficiency solutions and technologies to residential customers. Further, the company produces and processes gas and oil; develops new fields to maintain reserves; constructs, owns, and exploits infrastructure; and engages in the social enterprise investment fund activities. Additionally, it provides vehicle leasing, commercial, and insurance services, as well as energy management products and services; and operates a gas storage and franchise network. The company was formerly known as Yieldtop plc and changed its name to Centrica plc in December 1996. Centrica plc was founded in 1812 and is based in Windsor, the United Kingdom.

Centrica plc

E.ON SE operates as an energy company in Germany, the United Kingdom, Sweden, the Netherlands, Belgium, rest of Europe, and internationally. It operates through two segments, Energy Networks and Customer Solutions. The Energy Networks segment operates power and gas distribution networks, as well as provides maintenance, repairs, and related services. The Customer Solutions segment supplies power, gas, and heat, as well as with products and services that enhance energy efficiency to residential, small and medium-sized enterprises, large commercial and industrial, sales partners, and public entities. In addition, the company operates, generates, and dismantles nuclear power stations in Germany and Turkey. Further, it provides SmartSim, a software solution that allows renewable gases to be fed into gas grids; gas quality tracking solutions; GasPro, a mobile gas sample collector; metering solutions; and GasCalc, a software that calculates natural gases, LNG, and biogases properties. The company was founded in 1923 and is headquartered in Essen, Germany.

E.ON SE

National Grid plc transmits and distributes electricity and gas. The company operates through UK Electricity Transmission, UK Electricity Distribution, UK Electricity System Operator, New England, and New York segments. The UK Electricity Transmission segment provides electricity transmission and construction work services in England and Wales. The UK Electricity Distribution segment offers electricity distribution services in Midlands, and South West of England and South Wales. The UK Electricity System Operator segment provides balancing services for supply and demand of electricity on Great Britain's electricity transmission system; and acts as an agent on behalf of transmission operators. The New England segment offers electricity and gas distribution, and electricity transmission services in New England. The New York segment provides electricity and gas distribution, and electricity transmission services in New York. It also engages in the provision of transmission services through electricity interconnectors and LNG importation at the Isle of Grain; sale of renewables projects; and leasing and sale of commercial property, as well as insurance activities in the United Kingdom. The company was founded in 1990 and is headquartered in London, the United Kingdom.

National Grid plc

RWE Aktiengesellschaft generates and supplies electricity from renewable and conventional sources primarily in Europe and the United States. It operates through five segments: Offshore Wind; Onshore Wind/Solar; Hydro/Biomass/Gas; Supply & Trading; and Coal/Nuclear. The company generates wind, solar, hydro, nuclear, gas, and biomass electricity. It also trades in energy commodities; and operates gas storage facilities, as well as battery storage activities. The company serves commercial, industrial, and corporate customers. RWE Aktiengesellschaft was founded in 1898 and is headquartered in Essen, Germany.

RWE Aktiengesellschaft

Iberdrola, S.A. engages in the generation, transmission, distribution, and supply of electricity in Spain and internationally. It generates and markets electrical power using renewable sources, such as onshore and offshore wind, hydro, solar photovoltaic, combined cycle gas, nuclear, and biomass, as well as through installation of batteries. The company is also involved in the purchase and sale of electricity and gas on wholesale markets; development of green hydrogen projects; and distribution and sale of gas. It has a total installed capacity of 58,320 MW, including 38,138 MW of renewable installed capacity; and operates 1.2 million kilometers of electricity transmission and distribution lines, as well as serves 36.11 million consumers. In addition, the company offers energy storage, heat pumps, self-consumption, and electric vehicles for residential customers; and management of energy facilities, as well as supplies green H2, industrial heat, etc. to industrial customers. Iberdrola, S.A. was founded in 1840 and is headquartered in Bilbao, Spain.

Iberdrola, S.A.

SSE plc engages in the generation, transmission, distribution, and supply of electricity. It generates electricity from water, gas, coal, oil, and multi fuel. The company distributes electricity to approximately 3.8 million homes and businesses across the north of the central belt of Scotland and central southern England; and owns, operates, and develops high voltage electricity transmission system in the north of Scotland and remote islands. It also produces, stores, distributes, and supplies gas. In addition, it engages in the electricity and utility contracting, telecommunications, energy trading, insurance, and property holding businesses, as well as provides maintenance services. The company was formerly known as Scottish and Southern Energy plc and changed its name to SSE plc in September 2011. SSE plc was incorporated in 1989 and is based in Perth, the United Kingdom.

SSE plc

ENGIE SA engages in the power, natural gas, and energy services businesses. It operates through Renewables, Networks, Energy Solutions, Thermal, Supply, Nuclear, and Others segments. The Renewables segment comprises renewable energy generation activities, including financing, construction, operation, and maintenance of renewable energy facilities using various energy sources, such as hydroelectric, onshore wind, photovoltaic solar, biomass, offshore wind, and geothermal. The Networks segment comprises the electricity and gas infrastructure activities and projects, including the management and development of gas and electricity transportation networks and natural gas distribution networks in and outside of Europe, natural gas underground storage in Europe, and regasification infrastructure in France and Chile. The Energy Solutions encompasses the construction and management of decentralized energy networks to produce low-carbon energy and related services. The Thermal segment encompasses power generation activities using thermal assets; operation of power plants fueled mainly by gas or coal, as well as pump -operated storage plants; and financing, construction, and operation of desalination plants, as well as the development of hydrogen production. The Supply segment engages in the sale of gas and electricity to professional, individual, and residential clients. The Nuclear segment engages in the nuclear power generation activities. The company was formerly known as GDF SUEZ S.A. and changed its name to ENGIE SA in April 2015. The company was founded in 1880 and is headquartered in Courbevoie, France.

Engie SA

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Ticker	Market Cap	Gross Profit Margin	Forward P/E
CNA	$10,296.05M	39.9%	12.7
EOAN	$46,973.26M	24.3%	14.1
NG.	$75,158.79M	100.0%	13.8
RWE	$36,447.97M	30.2%	18.5
IBE	$139,964.63M	53.3%	18.5
SSE	$31,924.04M	38.1%	11.9
ENGI	$60,630.92M	34.6%	11.4