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Location: Portsmouth, NH

Portsmouth is the only city in Rockingham County, NH. It is home to 21,233 residents as of the 2010 US census. Portsmouth became energy deregulated in 1996 when New Hampshire passed RSA 374-F. The goal of energy deregulation was to create price competition between utilities and retail energy providers. However, as of today, New Hampshire still has some of the highest electricity rates in the nation. For more information on Portsmouth energy source, usage, solar potential, and electricity rates, see the information below.

Usage for Portsmouth, New Hampshire

Monthly average household energy usage in NH compared to the national average.

Rates for Portsmouth, New Hampshire

Home and business owners in Portsmouth, NH have the option of switching electricity providers which can significantly lower your electricity bill. Here are some of the top plans in your area:

Your Price to Compare: 20.22¢
Best RateMost Popular
Rate per kWh
Plan Length
12 mo.


Green 12 Month Fixed Rate

100% Renewable Sources
Plan Details
Best Long Term
Rate per kWh
Plan Length
36 mo.
or Call 844-249-7816

Direct Energy

Live Brighter 36

Plan Details
Rate per kWh
Plan Length
12 mo.
or Call 844-249-7816

Direct Energy

Live Brighter 12

Plan Details

Solar Score for Portsmouth, NH

Portsmouth, NH Solar Score: 51

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.

Sources for Portsmouth, NH

New Hampshire produces energy from a variety of sources. Here are the state’s current energy sources and energy production trends.

  • New Hampshire has no fossil fuels, all fossil fuels used in NH are imported
  • New Hampshire has the largest nuclear energy plant in the northeast
  • Biomass accounts for nearly half of all renewable energy generate in New Hampshire
  • Natural gas usage has nearly doubled in the last decade


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


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