Renewable energy in Greece accounted for 29 percent of its electricity from renewable sources in 2021. By 2030, renewables are expected to have a capacity of 28 GW, and exceed 61 percent of Greece's electricity consumption.

Energy in Iran is characterized by vast reserves of fossil fuels, positioning the country as a global energy powerhouse. Iran holds the world's third-largest proved oil reserves and the second-largest natural gas reserves as of 2021, accounting for 24% of the Middle East's oil reserves and 12% of the global total.

Final energy consumption in the United Kingdom was 128.1 million tonnes of oil equivalent (1,490 TWh) in 2024. In 2023, the UK had an energy consumption per capita of 2.13 tonnes of oil equivalent (24.8 MWh) compared to a world average of 1.87 tonnes of oil equivalent (21.7 MWh).

Renewable energy in Australia is based mainly on biomass, solar, wind, and hydro generation technologies. Over a third of all electricity generated in Australia is now from renewable sources, a proportion that is increasing in line with global trends .

Pumped-storage hydroelectricity (PSH), or pumped hydroelectric energy storage (PHES), is a type of hydroelectric energy storage used by electric power systems for load balancing. A PSH system stores energy in the form of gravitational potential energy of water, pumped from a lower elevation reservoir to a higher…

Great River Energy is an electric transmission and generation cooperative in the U.S. state of Minnesota; it is the state's second largest electric utility, based on generating capacity, and the fifth largest generation and transmission cooperative in the U.S. in terms of assets. Great River Energy was formed in 1999…

Xcel Energy Inc. is a U.S. regulated electric utility and natural gas delivery company based in Minneapolis, Minnesota, serving approximately 3.9 million electricity customers and 2.2 million natural gas customers across parts of eight states as of mid-2025.

The People's Republic of China is both the world's largest energy consumer and the largest industrial country. China is currently the world's largest emitter of greenhouse gases, and coal in China is a major cause of global warming.

The American Clean Energy and Security Act of 2009 (ACES) was an energy bill in the 111th United States Congress (H.R. 2454) that would have established a variant of an emissions trading plan similar to the European Union Emission Trading Scheme. The bill was approved by the House of Representatives on June 26, 2009,…

Geothermal energy in the United States was first used for electric power production in 1960. The Geysers in Sonoma and Lake counties, California was developed into what is now the largest geothermal steam electrical plant in the world, at 1,517 megawatts.