How accurately can SUNation predict solar system output and savings?

SUNation uses calculators provided by NYSERDA and your local utility to determine exactly how much power your custom-designed solar system will provide for your home. This calculation is done for annual production and takes into consideration rainy days and days when your solar panels may be covered in snow. While no one can predict the weather, the premium products we offer have a guaranteed performance over time allowing us to usually predict (+/-) five to seven percent of average annual solar production.

The Sunation Blog

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