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A kilowatt-hour (unit symbol: kW⋅h or kW h; commonly written as kWh) is a non-SI unit of energy equal to 3.6 megajoules (MJ) in SI units which is the energy delivered by one kilowatt of power for one hour. Kilowatt-hours are a common billing unit for electrical energy supplied by electric utilities. Metric prefixes are used for multiples and ...
The per capita data for many countries may be slightly inaccurate as population data may not be for the same year as the consumption data. Population data were obtained mainly from the IMF [ 3 ] in 2021 with some exceptions, in which case they were obtained from the Wikipedia pages for the corresponding countries/territories.
Domestic energy consumption refers to the total energy consumption of a single household. Globally, the amount of energy used per household may vary significantly, depending on factors such as the standard of living of the country, the climate, the age of the occupant of the home, and type of residence. Households in different parts of the ...
The world's average was about 3 MWh/year in 2022. [10] Very low consumption levels, such as those in Philippines, not included in the table, indicate that many inhabitants are not connected to the electricity grid, and that is the reason why some of the world's most populous countries, incl. Nigeria and Bangladesh, do not appear in the table. [14]
Normal human metabolism produces heat at a basal metabolic rate of around 80 watts. [1] During a bicycle race, an elite cyclist can produce around 440 watts of mechanical power over an hour and track cyclists in short bursts over 2500 watts; modern racing bicycles have greater than 95% mechanical efficiency. An adult of good fitness is more ...
The data are given in kilograms of oil equivalent per year, and gigajoules per year, and in watts, as average equivalent power. Notes on conversions. 1 kg of oil equivalent (kgoe) = 11.63 kWh or 1 kWh = 0.08598 kgoe [2] 1000 kgoe = 42 GJ; 1 GJ/a = 31.7 W average; 1 W average = 8.76 kWh per year (365 × 24 Wh per year)
[31]: 20 The STEPS sees a peak in energy-related CO 2 emissions in the mid-2020s but emissions remain high enough to push up global average temperatures to around 2.4 °C in 2100. [31]: 22 Total energy demand continues to increase through to 2050. [31]: 23 Total energy investment remains at about US$3 trillion per year. [31]: 49
The United States has the second largest electricity sector in the world, with 4,178 Terawatt-hours of generation in 2023. [2] In 2023 the industry earned $491b in revenue (1.8% of GDP) at an average price of $0.127/kWh. [3] There are three major synchronous electrical grids in the continental US: the Eastern Interconnection, the Western ...