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What Is Photovoltaic Cell

Roland Said:

how do i know what is the Photovoltaic cell capacity required to run my home supplies on 240V using grid-tied?

We Answered:

The main factor of PV array size is your location. If you use about 7200 kWh per year, then depending upon your location, you may be able to use a 5-7kW system and produce up to 100% of your usage. At an average of $8-$10 USD per installed Watt, that would cost roughly $50,000-$70,000 before any rebates or incentives. When investing in solar electric systems, it pays to invest in energy efficiency first to lower your electrical usage.
Check out this calculator from the National Renewable Energy Lab
PV Watst: http://rredc.nrel.gov/solar/calculators/…

Good luck with your solar project!
Kristen
http://newenglandbreeze.com/

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