Photovoltaics - Size of a Free Field PV Power Plant MWp/ha

Calculator for the estimation of the power a ground mounted photovoltaics power plant generates per hectare. Often, the size of free field power plants is given in hectares. In 2018, the nominal power of an average free field plant was 0.9 megawatts peak per hectare, older facilities have lower values. Other than small roof mounted systems, ground mounted systems are only installed on highly appropriates sites, so here a higher yield factor can be estimated. 1100 is a very good value for Central Europe. One resident of this area consumes about 1500 kilowatt hours of energy per year, whereas the individual differences here are very high.
Please enter two of the first three values, the third value, the produced energy per year and the number of supplied residents will be calculated.

Size of the Free Field PV Power Plant:
Megawatts per hectare: MWp/ha
Nominal power: p

Yield factor:
Energy per year:

Power requirement per resident: kWh
Supplied residents:

Example [before entering the values, press Clear values]: Solarpark Neuhardenberg, which went on line in 2013, has a size of 240 hectares and a nominal power of 145 megawatts peak. So here the ratio is 0.6 MWp/ha. The park is located in northern Germany, so its yield factor is 965. It produces per year 140 gigawatt hours of energy, this is enough for about one hundred thousand people.

Free Field Solar Power Plant
A free field solar power plant near a highway in southern Germany.

Ground-mounted photovoltaic systems are often built on areas that are of little agricultural or ecological significance and in areas that are already polluted. Only a tiny fraction of the soil is sealed by the system and if a few guidelines are followed, they contribute positively to biodiversity, especially plants and insects.
One variant is agrivoltaics, a mixture of electricity generation and agriculture. The space between the modules can be grazed and if the elevation of the modules is increased, then plants that need shade for their growth can be grown underneath them. Another option is vertical solar systems, which hardly take up any space and whose rows are arranged so that a tractor can fit between them. Finally, there are floating photovoltaics on still bodies of water, where the water contributes to cooling and thus increases efficiency. In hot areas, these reduce water evaporation and increase water quality.

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