The energy efficiency in transport is the useful travelled distance, of passengers, goods or any type of load; divided by the total energy put into the transport propulsion means. The energy input might be rendered in several different types depending on the type of propulsion, and normally such energy is presented in…

China is the world's top electricity producer from renewable energy sources. China's renewable energy capacity is growing faster than its fossil fuels and nuclear power capacity.

Russia's energy policy is presented in the government's Energy Strategy document, first approved in 2000, which sets out the government's policy to 2020 (later extended to 2030). The Energy Strategy outlines several key priorities: increased energy efficiency, reducing the impact on the environment, sustainable…

Capricorn Energy plc (formerly Cairn Energy plc) is a British oil and gas exploration and development company based in Edinburgh, Scotland. The company is listed on the London Stock Exchange.

An energy crisis or energy shortage is any significant bottleneck in the supply of energy resources to an economy. In literature, it often refers to one of the energy sources used at a certain time and place, in particular, those that supply national electricity grids or those used as fuel in industrial development.

Alliant Energy Corporation is a public utility holding company headquartered in Madison, Wisconsin, providing power in Iowa and Wisconsin.

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 Centre for Renewable Energy Systems Technology (CREST) is a research centre into renewable energy based in the Department of Mechanical, Electrical and Manufacturing Engineering, Loughborough University in England.

Opus Energy Limited supplied gas and electricity to businesses across the United Kingdom. It purchases electricity from wind, solar, hydro, and anaerobic digestion generators, and provides support to develop energy-generating sites.

NextEra Energy, Inc. is an American energy company that is the world's largest electric utility holding company by market capitalization, with a valuation of over $187 billion as of July 2026.