Octopus Energy Group Limited (formerly Octopus Energy Limited and Octopus Energy Holdings Limited), known as Octopus Energy, is a British company operating in the fields of energy generation and supply. It was founded in 2015 with the backing of Octopus Group, a British asset management company.

E.ON UK is a British energy company and one of the largest suppliers of energy in the UK, following its acquisition of Npower. It is a subsidiary of E.ON of Germany and one of the Big Six energy suppliers.

The energy industry refers to all of the industries involved in the production and sale of energy, including fuel extraction, manufacturing, refining and distribution. Modern society consumes large amounts of fuel, and the energy industry is a crucial part of the infrastructure and maintenance of society in almost all…

The energy policy of the United Kingdom refers to the United Kingdom's efforts towards reducing energy intensity, reducing energy poverty, and maintaining energy supply reliability. The United Kingdom has had success in this, though energy intensity remains high.

Altenergy Power System better known as APsystems (formerly APS) is a global technology company that operates in the renewable energy space. APsystems is a provider of multi-platform module-level power electronics (MLPE) solutions for the solar photovoltaic (PV) industry.

The Renewables Obligation (RO) is a market support mechanism designed to encourage generation of electricity from eligible renewable sources in the United Kingdom. There are three related schemes for the three legal jurisdictions of the UK. In April 2002 the Renewables Obligation was introduced in England and Wales,…

Nuclear power in the United Kingdom generated 16.1% of the country's electricity in 2020. As of December 2025, the UK has nine operational nuclear reactors at four locations (eight advanced gas-cooled reactors (AGR) and one pressurised water reactor (PWR)), producing 5.9 GWe.

This is a list of notable industry trade groups in the United States.

Domestic housing in the United Kingdom presents a possible opportunity for achieving the 20% overall cut in UK greenhouse gas emissions targeted by the Government for 2010. However, the process of achieving that drop is proving problematic given the very wide range of age and condition of the UK housing stock.

Walmart Inc. is an American multinational omnichannel retail corporation that operates a chain of hypermarkets (also called supercenters), discount department stores, grocery stores, pharmacies, and gas stations in the United States and 19 other countries.