Energy return on investment
In energy economics and ecological energetics, energy return on investment (EROI), also sometimes called energy returned on energy invested (ERoEI), is the ratio of the amount of usable energy (the exergy) delivered from a particular energy resource to the amount of exergy used to obtain that energy…
United Kingdom cost-of-living crisis
In late 2021, the prices of many essential goods in the United Kingdom began increasing faster than household incomes, resulting in a fall in real incomes. The phenomenon has been termed a cost-of-living crisis.
Geothermal energy
Geothermal energy is thermal energy extracted from the Earth's crust. It combines energy from the planet's formation and from radioactive decay.
Energy policy of the United Kingdom
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.
Open energy system models
Open energy-system models are energy-system models that are open source. These models can also be known as open energy models or open-source energy-system models or some combination thereof.
Energy in Israel
Most energy in Israel comes from fossil fuels. The country's total primary energy demand is significantly higher than its total primary energy production, relying heavily on imports to meet its energy needs.
Ascend Collection
The Ascend Collection is a brand launched by Choice Hotels International in 2008 for higher-priced historic and boutique hotels. Competing brands include Best Western’s Signature and Premier Collections, Wyndham’s Trademark Collection, and IHG’s Voco Collection.
Octopus Energy
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.
Gifts by Price
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Great British Energy
Great British Energy (GB Energy, GBE) is a publicly owned energy investment company in the United Kingdom. It was established by the Great British Energy Act 2025, which received royal assent on 15 May 2025, and is sponsored by the Department for Energy Security and Net Zero.