Drastyn ✭

  • Re: PV Watts Calculation

    DrastynDrastyn
    Hey Ian, yes PV Watt is accurate, what I suggest you is compare the PV Watt estimation with PV Compare real outputs, you can insert your area , inclination and orientation and try to find pv-plants …
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  • Re: Comparing 2 7kw systems

    DrastynDrastyn
    Unfortunately many installers " play ” on the fact that Sunpower panels (as Panasonic and Sanyo HIT or others) has more efficiency, so more “powerful”. But efficiency doesn’t mean more kWh/yr. T…
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