PJSC Gazprom (Russian: ПАО «Газпром», IPA: [ɡɐsˈprom]) is a Russian state-owned multinational energy corporation headquartered in the Lakhta Center in Saint Petersburg. The Gazprom name is a contraction of the Russian words gazovaya promyshlennost (газовая промышленность, gas industry).

Centrica plc is a British multinational energy and services company with its headquarters in Windsor, Berkshire, England. It is the largest supplier of gas to domestic customers in the United Kingdom, and one of the largest suppliers of electricity, operating under the trading names British Gas in England and…

A heating system is a mechanism designed to maintain a desired temperature in a space by adding thermal energy. It is a fundamental component of heating, ventilation, and air conditioning (HVAC) systems, providing warmth to residential, commercial, and industrial buildings.

Solar power, also known as solar electricity, is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power. Solar panels use the photovoltaic effect to convert light into an electric current.

This is a list of power stations in the U.S. state of California that are used for utility-scale electricity generation. This includes baseload, peaking, and energy storage power stations, but does not include large backup generators.

Vitol (pronounced Vee-Tol) is a Swiss-based Dutch multinational energy and commodity trading company that was founded in Rotterdam in 1966 by Henk Viëtor. Vitol has over 40 offices worldwide, with its largest operations in Geneva, Houston, London, and Singapore.

The economy of Papua New Guinea (PNG) is largely underdeveloped with the vast majority of the population living below the poverty line. It is dominated by the agricultural, forestry, and fishing sector and the minerals and energy extraction sector.

While being a major oil producing country, the United Arab Emirates (UAE) has taken steps to introduce solar power on a large scale. However, solar power still accounts for a small share of energy production in the country.

Heat recovery ventilation (HRV), also known as mechanical ventilation heat recovery (MVHR) is a ventilation system that recovers energy by operating between two air sources at different temperatures. It is used to reduce the heating and cooling demands of buildings.

This is a list of notable photovoltaics (PV) companies. Grid-connected solar photovoltaics (PV) is the fastest growing energy technology in the world, growing from a cumulative installed capacity of 7.7 GW in 2007, to 320 GW in 2016.