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Renewable - Solar Demonstration Project

Energy Output



  • The CVEC PV system is rated to generate up to 2 kilowatts(KW) of electric energy at any given moment, but it will likely never reach that mark. Actual energy output is determined by:

    • the time of day
    • the amount of cloud cover
    • the termperature.

Notice that the system is peaking near 1.6 KW around early afternoon and that the the prime generation hours are from 10 AM to 4 PM during summer hours. Since this graph only gives you a continuous snapshot of energy output, the question becomes how much energy per hour or per day would it provide to my home or business, measured in kilowatt-hours (energy output over time). Read the information below and see if you can calculate the daily output.

The 2 kilowatt photovoltaic system at CVEC headquarters
marked a milestone at the end of July 2010
generating 1 megawatt-hour of electric energy during the first 100 days of operation.

  • A Megawatt-hour:

    • Would presently cost CVEC about $45 from our wholesale supplier
    • It would light 10,000 hundred-watt lightbulbs for one hour
    • It equals the standard unit for Renewable Energy Certificates (REC's)

    A Megawatt-hour generated over 100 days also averages 10,000 watt-hours per day, also referred to as 10 kilowatt-hours per day. What could you power in your home with 10 kwh per day? Look at the appliance energy usage chart to see what you PV panels could simultaneously power.

 


Central Virginia Electric Cooperative
Corporate Headquarters:
800 Cooperative Way
Arrington, VA 22922-3300
phone: (434) 263-8336
toll-free: (800) 367-2832
fax: (434) 263-8339
Mailing Address:
P.O. Box 247
Lovingston, VA 22949