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.

Green Energy (UK) Ltd, operating as 100Green, is a British independent-energy company based in Ware, Hertfordshire. It was established in 2001 by CEO Douglas Stewart.

Mark Group Limited is a UK based energy advice and installation company, who focus upon energy efficiency. Mark Group went into administration on 7 October 2015.

Bloom Energy Corporation (formerly, Ion America Corp.) is an American public company that designs and manufactures solid oxide fuel cells (SOFCs) which independently produce electricity onsite for power generation in data centers, manufacturing, and other commercial sectors. It was founded in 2001 and headquartered in…

Distributed generation, also distributed energy, on-site generation (OSG), or district/decentralized energy, is electrical generation and storage performed by a variety of small, grid-connected or distribution system-connected devices referred to as distributed energy resources (DER). Conventional power stations, such…

The economics of nuclear power concerns the costs, financial risks, and economic factors involved in generating electricity from nuclear reactors, including the capital required to build plants, the operating and fuel costs over their lifetime, and the expenses of decommissioning and managing radioactive waste. It…

Saturday Night's Main Event XLII, also promoted as Saturday Night's Main Event: John Cena's Final Match, was a professional wrestling television special produced by WWE. It took place on December 13, 2025, from the Capital One Arena in Washington, D.C., and was livestreamed on Peacock in the United States and YouTube…

Carbon emission trading (also called carbon market, emission trading scheme (ETS) or cap and trade) is a type of emissions trading scheme designed for carbon dioxide (CO2) and other greenhouse gases (GHGs). A form of carbon pricing, its purpose is to limit climate change by creating a market with limited allowances…

Climate change mitigation, also called decarbonisation, is an action to limit the greenhouse gases in the atmosphere that cause climate change. Climate change mitigation actions include conserving energy and replacing fossil fuels with clean energy sources.

Ashden is a London-based charity that works in the field of sustainable energy and development. Its work includes the annual Ashden Awards, advocacy and research in the field of sustainable energy, and mentoring and practical support for award winners.