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Solar Energy in Portsmouth, RI

Solar Energy in Portsmouth

The month of July has the highest historical solar radition values in Portsmouth with an average of 5.86 kWh/m2/day. [More]

Solar Panels in Portsmouth

Solar panels in Portsmouth that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output. [More]

Sunrise & Sunset in Portsmouth

The total length of the day in Portsmouth, RI today (September 25, 2017) will be 11 hours and 59 minutes. [More]

Portsmouth, RI Solar Energy

Solar Power in Portsmouth, RI

Solar Energy Data in Portsmouth, RI

See the chart below to see how different types of solar panel installations compare in Portsmouth.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.


Solar Energy Analysis for Portsmouth, RI

Solar Radiation Data in Portsmouth

Based on historical Portsmouth, RI data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Portsmouth. [1]

Portsmouth has an average monthly Global Horizontal Irradiance (GHI) of 3.86 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 3% greater than the average monthly Direct Normal Irradiance (DNI) of 3.74 kWh/m2/day. [1]

Solar installations in Portsmouth that are always titled at the latitude of Portsmouth (Average Tilt at Latitude or ATaL) average 4.55 kWh/m2/day, or about 18% greater than the average monthly GHI of 3.86 kWh/m2/day and approximately 22% greater than the average monthly DNI of 3.74 kWh/m2/day. [1]

* See glossary & definitions below.

Solar Energy Glossary

Global Horizontal Irradiance (GHI)

Global Horizontal Irradiance: The total amount of solar radiation that is received per unit area by a surface that is always positioned in a horizontal manner.

Direct Normal Irradiance (DNI)

Direct Normal Irradiance: The total amount of solar radiation received per unit area by a surface that is always perpendicular to the sun rays that come in a straight line from the direction of the sun at its current position in the sky.

Average Tilt at Latitude (ATaL)

Average Tilt at Latitude: The total amount of solar radiation received per unit area by a surface that is tilted toward the equator at an angle equal to the current latitude. ATaL will often produce the optimum energy output.

Compare Solar Quotes
Compare Solar Quotes

Solar Radiation Levels in Portsmouth

Solar Radiation Data in Portsmouth, RI

See the chart below for monthly solar radiation levels in Portsmouth.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)

Solar Radiation Analysis for Portsmouth, RI

Solar Radiation Data in Portsmouth

Portsmouth, RI has a average annual solar radiation value of 4.63 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in Portsmouth is July with an average of 5.86 kWh/m2/day, followed by August at 5.77 kWh/m2/day and June at 5.57 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in Portsmouth (Rhode Island) are December with an average of 2.81 kWh/m2/day, followed by November with an average of 3.27 kWh/m2/day and January at 3.33 kWh/m2/day. [1]

Solar Power Comparison: Portsmouth vs. the U.S.

Solar Power Levels in Portsmouth

The average monthly solar radiation level in Portsmouth, RI, of 4.63 kilowatt hours per square meter per day (kWh/m2/day) is approximately 24% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is approximately 30% less than the average level of 6.6 kWh/m2/day in a city with historically high levels (NV). [1]


→ Values listed as 0 (zero) are not available (N/A).

Solar Power: vs. the U.S.

Below is a month-by-month comparison of how average Portsmouth solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). [1]

→ k/m/d = kWh/m2/day = kilowatt hours per square meter per day.
→ Values listed as 0 (zero) are not available (N/A).

Compare Solar Quotes
Compare Solar Quotes

Solar Data & Statistics for Portsmouth

Sunrise / Sunset in Portsmouth

  • Sunrise/Sunset for September 25, 2017 [2]
    • Sunrise: 6:36 am
    • Sunset: 6:36 pm
    • Solar Noon: 12:36 pm
    • Length of Day: 11:59
Solar Energy Statistics for Portsmouth

Best Months for Solar in Portsmouth

  • Top Solar Power Months Historically [1]
    • Solar Radiation July (5.86 kWh/m2/day)
    • ATaL: July (5.55 kWh/m2/day)
    • DNI: July (4.56 kWh/m2/day)
    • GHI: July (5.92 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Portsmouth

We do not currently have data on solar panel installations in the town of Portsmouth, RI at this current time.

However, Portsmouth is in Newport County and Newport County has at least 136 solar insallations right now. [1]

Solar Power Output in Portsmouth

The Power of Solar in Portsmouth, RI

Monthly AC solar system output averages for Portsmouth (ri). Month-by-month solar power, as ranked by AC output, in Portsmouth. [2]

* Amounts listed in kWhac (kilowatt hours (AC))

Solar Output Analysis for Portsmouth, RI

Solar Radiation Data in Portsmouth

Portsmouth (RI) has a average annual solar AC output value of 5455.52 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Portsmouth is July with an average of 557.49 kWhac, followed by August at 550.63 kWhac and May at 529.87 kWhac. [2]

The three months that historically average the lowest average solar output levels in Portsmouth (Rhode Island) are December with an average of 296.74 kWhac, followed by November with an average of 326.77 kWhac and January at 356.21 kWhac. [2]

Cost of Utilities in Portsmouth

Portsmouth Electricity Costs

Electricity prices (residential) in Portsmouth averaged 16.71 cents per kilowatthour (¢/kWh) in June 2017, which was about 26% more than the overall U.S. average residential electricity rate of 13.22¢/kWh in June. [3]

Solar Power Poll: Portsmouth

Vote now: Given all of the data and analysis provided for Portsmouth, is solar power a good choice for residents of this town?

Yes, solar power is a great option  
No, solar power isn't a good option

Portsmouth Natural Gas Costs

Natural gas prices (residential) in Rhode Island averaged $16.38 per thousand cubic feet (Mcf) in June 2017, which was approximately 3% more than the overall U.S. average residential natural gas rate of $15.98 per Mcf in June. [4]

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Solar Businesses in Portsmouth

Solar Energy Contractors in Portsmouth

Contractors & builders that specialize in solar panel installations in or near Portsmouth, RI.

Sorry, no local solar energy contractors found.

Our search for solar contractors companies located in Portsmouth produced no matches.

Solar Energy Equipment in Portsmouth

Businesses that sell solar energy equipment and/or solar parts in or near Portsmouth, RI.

Sorry, no local business selling solar equipment were found.

Our search for companies selling solar parts located in Portsmouth produced no matches.

Energy Conservation Consultants in Portsmouth

Energy conservation specialists that offer consulting services in or near Portsmouth, RI.

Sorry, no local energy conservation specialists were found.

Our search for energy conservation specialists located in Portsmouth produced no matches.

Weather Forecast for Portsmouth, RI [5]

Sun Sep 24
61°F
Light Rain
Min: 61°F
Max: 61°F
: 1 mps SSE
Precip.: n/a
Humidity: 98%
Cloud cover: 24%
Mon Sep 25
68°F
Light Rain
Min: 61°F
Max: 70°F
Gentle Breeze: 3 mps ESE
Precip.: Chance of Rain
Humidity: 84%
Cloud cover: 12%
Tue Sep 26
68°F
Heavy Intensity Rain
Min: 64°F
Max: 68°F
Moderate breeze: 6 mps NE
Precip.: Chance of Rain
Humidity: 92%
Cloud cover: 88%
Wed Sep 27
68°F
Moderate Rain
Min: 67°F
Max: 69°F
Gentle Breeze: 3 mps ENE
Precip.: Chance of Rain
Humidity: 96%
Cloud cover: 92%
Thu Sep 28
68°F
Sky Is Clear
Min: 57°F
Max: 68°F
Fresh Breeze: 9 mps NW
Precip.: n/a
Humidity: 0%
Cloud cover: 0%
Fri Sep 29
63°F
Sky Is Clear
Min: 55°F
Max: 63°F
Strong breeze: 11 mps NW
Precip.: n/a
Humidity: 0%
Cloud cover: 0%

More about Portsmouth

About Portsmouth

The town of Portsmouth, RI in Newport County has an approximate population of 17,389. [6]

Portsmouth Solar Power

Portsmouth, RI Solar Energy

To learn more about solar energy and solar power Portsmouth, RI, or for more solar-related resources for Portsmouth, visit the U.S. Energy Information Administration.

Did you know?

Various missions to space by different countries are known to utilize solar energy as a main power source.

Other Cities in Rhode Island

References