The Association for Decentralised Energy (ADE), formerly the Combined Heat and Power Association, is a trade association that supports the growth of decentralised energy systems, such as district heating systems. The association is based in London.

Emerald Energy plc is an energy exploration subsidiary of Chinese state-owned company Sinochem with headquarters in London but is registered offshore in the Isle of Man. The company specialises in oil exploration and production of hydrocarbons.

The developing nations of Africa are popular locations for the application of renewable energy technology. Currently, many nations already have small-scale solar, wind, and geothermal devices in operation providing energy to urban and rural populations.

Utilita Energy is an electricity and gas supplier operating in the United Kingdom. Utilita began trading in 2003, specialising in pay-as-you-go metering.

Vietnam utilizes four main sources of renewable energy: hydroelectricity, wind power, solar power and biomass. At the end of 2018, hydropower was the largest source of renewable energy, contributing about 40% to the total national electricity capacity.

The United States Department of Energy (DOE) is an executive department of the U.S. federal government that oversees national energy policy and energy production, the research and development of nuclear power, the military's nuclear weapons program, nuclear reactor production for the United States Navy,…

Co-op Energy is a membership-owned British energy supply company based in Warwick that began trading in 2010. It sells renewable electricity (some from community-owned sources) and gas to its ethically concerned member owner/customers and is an established large operator, an alternative to the Big Six energy suppliers.

Energy in Afghanistan is provided by hydropower followed by fossil fuel and solar power. Currently, over 85% of Afghanistan's population has access to electricity.

The 2020s energy crisis was an energy crisis that began in the aftermath of the COVID-19 pandemic, resulting in shortages and increased prices in oil, gas and electricity markets. The crisis was particularly acute in Europe, and especially following the Russian invasion of Ukraine, the energy crisis became popularly…

Pharos Energy Plc, previously SOCO International, is an oil and gas exploration and production company, headquartered in London. The company changed its name to Pharos Energy Plc in October 2019 after coming under fire for illegal activity in Virunga.