Since the beginning of 2014 the average cost of solar photovoltaic pv panels has dropped nearly 50 2.
How much solar panels to power usa.
This is derived from the fact that every year the u.
Solar panels usually produce between 250 and 400 watts of power.
In this report nrel states that about 3 4 acres of solar panels are required to generate one gigawatt hour of electricity over the course of one year.
This is enough capacity to power the equivalent of 12 million average american homes 1.
How much money for solar panels.
The actual output you see depends on factors like shading orientation and sun hours.
Map courtesy of google maps.
Solar would have to produce about 4 million gwh of electricity annually to provide enough energy to power the entire usa.
About 7 86 billion solar panels would be needed to power the u s.
Just 11 200 000 acres to generate 4 000 000.
At 2 8 acres per gwh then about 11 200 000 acres of land would give us what we need to produce the 4 000 000 gwh of solar power.
How much money would it be to power the united states of america on solar energy.
3 071 048 000 total panels 250 watt sharp nd 250qcs solar panel made in the usa 65 x39 each 3 071 048 000 total panels 767 762 000 000 watts.
There s 1 8 billion acres of land in the usa so about 0 6 of our land is all it would take.
Consumes around 4000 billion kwh of electricity.
To put this into context 1 petawatt equals about 1 billion million watts.
Requires about 4 petawatts of electricityover one year to run life as normal.
You can freely compare solar quotes on the energysage marketplace to see how different wattage panels will affect your unique system.
Answers based on 2012.
This means an astounding consumption of 12 000 kwh per year per capita.
The yellow square is approximately 21 000 square miles.
Consumes about 4 petawatt hours of electricity per year we d need about 13 600 000 acres or 21 250 square miles of solar panels to meet the total electricity requirements of the united states for a year.