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  2. Load profile - Wikipedia

    en.wikipedia.org/wiki/Load_Profile

    Graphs by hour of California's total electric load, the total load less solar and wind power (known as the duck curve) and solar power output. Data is for October 22, 2016, a day when the wind power output was low and steady throughout the day. In electrical engineering, a load profile is a graph of the variation in the electrical load versus ...

  3. Solar-powered calculator - Wikipedia

    en.wikipedia.org/wiki/Solar-powered_calculator

    Solar-powered calculators are hand-held electronic calculators powered by solar cells mounted on the device. [1] They were introduced at the end of the 1970s. [2]Amorphous silicon has been used as a photovoltaic solar cell material for devices which require very little power, such as pocket calculators, because their lower performance compared to conventional crystalline silicon solar cells is ...

  4. Panel generation factor - Wikipedia

    en.wikipedia.org/wiki/Panel_generation_factor

    Panel generation factor (PGF) [1] is used while calculating the size of solar photovoltaic cells. It is a varying factor depending upon the climate of the site location (depending upon global geographic location). For example, in Thailand it is 3.43, in EU countries it is 2.93, etc. This factor is used in calculation of "Total Watt-Peak Rating ...

  5. Electricity meter - Wikipedia

    en.wikipedia.org/wiki/Electricity_meter

    An electricity meter, electric meter, electrical meter, energy meter, or kilowatt-hour meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device over a time interval. Electric utilities use electric meters installed at customers' premises for billing and monitoring purposes.

  6. Net metering - Wikipedia

    en.wikipedia.org/wiki/Net_metering

    Monthly net metering allows consumers to use solar power generated during the day at night, or wind from a windy day later in the month. Annual net metering rolls over a net kilowatt-hour (kWh) credit to the following month, allowing solar power that was generated in July to be used in December, or wind power from March in August.

  7. Photovoltaic system - Wikipedia

    en.wikipedia.org/wiki/Photovoltaic_system

    Generated kilowatt-hour per installed watt-peak, based on average insolation for Japan (1500 kWh/m 2 /year), United States (5.0 to 5.5 kWh/m 2 /day), [134] and Germany (1000 to 1200 kWh/m 2 /year). A 2013 study by the Fraunhofer ISE concludes LCOE cost for a small PV system to be $0.16 (€0.12) rather than $0.22 per kilowatt-hour as shown in ...