![]() Golden, CO: National Renewable Energy Laboratory. x x x = 1,362,795 kWh estimated annual electricity generated by one football field covered with solar PV. Note: Due to rounding, performing the calculations given in the equation below may not return the exact results shown. PR = 85.92% performance ratio (NREL 2022, PVWatts Calculator: 14.08% system losses).H = 1,818.7 kWh/m2/year annual average solar radiation for an average mid-resource location, Kansas City, MO (5.04 kWh/m2/day x 365 days) (NREL 2022, PVWatts Calculator).r = 16.3% solar panel efficiency of PV module (NREL 2022, Annual Technology Baseline, Solar Distributed Commercial PV – mean capacity factor for Resource Class 5, representing the national-average solar resource).A = 5,353.36 m2 (109.7 m x 48.8 m = area of American football field, including end zones).Based on these resources, NREL recommends these factors: The factors for this equation were determined in consultation with experts at the National Renewable Energy Laboratory (NREL) based upon conservative best estimates and utilization of NREL's Annual Technology Baseline (ATB) tool and PVWatts Calculator. PR = Performance ratio, coefficient for losses (range between 0.5 and 0.9).H = Annual average solar radiation on tilted panels (shadings not included).The number of American football fields covered with solar panels is determined by dividing the annual amount of green power procured in kWh by 1,362,795 kWh, which is the estimated annual electricity output of one football field (including end zones) covered by PV solar panels.Ĭalculating annual PV solar system output is a function of the equation E = A * r * H * PR, in which: Number of Football Fields of Solar Powered for One Year Department of Energy, Energy Efficiency and Renewable Energy Division. Land-Based Wind Market Report: 2022 Edition Data File (xlsx) (Capacity Factor in 2021 by COD Year worksheet) U.S. ![]() Land-Based Wind Market Report: 2022 Edition (pdf) U.S. x x x = 9,150,696 kWh generated annually from one wind turbine. wind capacity factor (0.3482) and by the number of hours per year (8,760 hours). ![]() Electricity generation from an average wind turbine is determined by multiplying the average nameplate capacity of a wind turbine in the United States (3.0 MW) by the average U.S. The average wind capacity factor in the U.S. In 2021, the average nameplate capacity of wind turbines installed in the United States was 3.0 megawatts (MW) (DOE 2022a). How much electricity does an American home use? The conversion factor for this equivalency statement is /. The number of American homes is determined by dividing the annual amount of green power procured in kilowatt-hours (kWh) by 10,632 kWh. Energy Information Administration (EIA), the average annual electricity consumption for an American household in 2021 was 10,632 kWh, an average of 886 kWh per month (EIA 2022). Number of American Homes’ Electricity Use for One YearĪccording to the U.S. AhĮnter Apm-hours(Ah) values in the proper input field and the entered in voltage in the proper input field and then click the button calculate.This page describes the calculations used to convert green power electricity (kilowatt-hours ) into various types of equivalencies. Solve:-kWh = Ah x v / 1000 = 100 x 12 / 1000 = 1.2 kWh Table of Ah to KWh conversion. ![]() ◉ 1 kWh = one kilowatt of energy consumed for 1 hour of time Formula of Ah to Kwh CalculatorĮxample.1:-Ah = 100, volt = 12, kWh = ? ![]() ◉ Electrical energy is measured in kilowatt-hours(kwh) or kw-h One kilowatt-hour is equivalent to 3.6 megajoules, 3,600 kilocalories, or 3.6-kilowatt hours. Kilowatt-hour is standardized as 1,000-watt hours or 3,600,000 joules. Kilowatt-hour is a unit of energy equal to the work done by a 1 kW electrical machine in one hour. A free online electrical power conversion calculator for converting any amount of Ah(ampere-hours) to KWh (kilowatt-hours). ![]()
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