BP p.l.c. is a British multinational oil and gas company headquartered in London, England.

The Energy Saving Trust Recommended logo was a UK-based labelling and certification scheme for energy efficient products. A product that displays the logo shows that it met strict criteria on energy saving.

EDF Energy is a British integrated energy company, wholly owned by the French state-owned EDF (Électricité de France), with operations spanning electricity generation and the sale of natural gas and electricity to homes and businesses throughout the United Kingdom. It employs 11,717 people, and handles 5.22 million…

Uranium mining is the process of extraction of uranium ore from the earth. Almost 50,000 tons of uranium were produced in 2022.

Oil sands are a type of unconventional petroleum deposit. They are either loose sands, or partially consolidated sandstone containing a naturally occurring mixture of sand, clay, and water, soaked with bitumen (a dense and extremely viscous form of petroleum).

Pacific Gas and Electric Company (PG&E) is an American investor-owned utility (IOU). The company is headquartered at Kaiser Center, in Oakland, California.

The Association for Decentralised Energy (ADE), formerly the Combined Heat and Power Association, is a trade association that supports the growth of decentralised energy systems, such as district heating systems. The association is based in London.

Shell plc is a British multinational oil and gas company, headquartered in London, England. Shell is a public limited company with a primary listing on the London Stock Exchange (LSE) and secondary listings on Euronext Amsterdam and the New York Stock Exchange.

IKEA ( eye-KEE-ə, Swedish: [ɪˈkêːa]) is a multinational conglomerate founded in Sweden that designs and sells ready-to-assemble furniture, household goods, and other related services. IKEA was founded in 1943 by Ingvar Kamprad, and has been the world's largest furniture retailer since 2008.

Ecotricity is a British energy company based in Stroud, Gloucestershire, specialising in selling green energy to consumers that it primarily generates from its 87.2-megawatt wind power portfolio. It is built on the principle of heavily reinvesting its profit in building more of its own green energy generation.