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Solar: Derry, NH

Compare Electricity has developed a solar score for New Hampshire to help residents and businesses determine if a solar installation is a viable and cost-effective solution. The solar score is based on a combination of many different factors. Parts of New Hampshire only receive 3.5-4 hours of direct sunlight per day which is well below the national average. Only an estimated 66% of homes are viable for solar installation. Meaning they have a roof large enough for multiple solar panels and the roof is unobstructed. With the dense forests in NH, trees can obstruct the sun from reach rooftops. The average New Hampshire roof size can hold 6.2 kW of solar panels which is slightly below the national average. Due to these factors, a residential solar energy installation is a borderline viable option in New Hampshire. For more information, see the solar score graph below.

Solar Score for Derry, NH

Derry, NH Solar Score: 50

The Solar Score represents how good of a candidate you are for a home solar installation. We take into account a combination of factors specific to your area. Using these factors, we can determine how long it would take for a home solar installation to pay for itself. has received a solar score of . Below is a description for each area of the graph:

    • Red = “Not Viable” meaning a solar installation would not be cost-effective.
    • Yellow = “Viable” meaning a solar installation would pay for itself over time.
    • Green = “Very Viable” meaning a solar installation would pay for itself quickly and has large savings potential.


Looking for a specific city in New Hampshire? Check out our featured cities below for more specific energy usage information.


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