Solar Energy & Solar Power Resources

Solar Power in 03803 (Portsmouth, NH)

Solar Energy in 03803

Sorry, historical solar radition values for 03803 are currently unavailable, please check back later.

Solar Panels in 03803

Solar panels in 03803 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 03803

The total length of the day in 03803 (Portsmouth, NH) today (September 03, 2026) will be 13 hours and 8 minutes. [More]

Solar Energy in 03803 (Portsmouth, NH)

Solar Energy Data for 03803

See the chart below to see how different types of solar panel installations compare in 03803.

Historical solar power output data for Portsmouth is not currently available.

Solar Energy Analysis for 03803

Sorry, it is not possible to complete our solar energy analysis for 03803 at this time.

Please check back later.

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.

Solar Radiation Levels in 03803

Solar Radiation Data in 03803

See the chart below for monthly solar radiation levels in 03803.

Sorry, data is not currently available.

Solar Radiation Analysis for 03803

Sorry, it is not possible to complete our solar radiation analysis for 03803 at this time.

Historical solar radiation data for 03803 is not currently available.

Please check back later.

Solar Power Comparison: 03803 vs. the U.S.

Solar Power Levels in 03803

Sorry, solar radiation data for 03803 is not currently available.

Solar Power: 03803 vs. the U.S.

Below is a month-by-month comparison of how average 03803 solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). ^[1]

Sorry, solar radiation data for New Hampshire is not currently available.

Solar Data & Statistics for 03803

Sunrise / Sunset in 03803

Sunrise/Sunset for September 03, 2026 ^[2]
- Sunrise: 6:08 am
- Sunset: 7:16 pm
- Length of Day: 13:8

Best Months for Solar in 03803

Monthly data not currently available.

Solar Panel Installs in 03803

We do not have data on solar panel installations in ZIP Code 03803 at the current time.

Solar Power Output in 03803

The Power of Solar in 03803

Monthly AC solar system output averages for 03803. Month-by-month solar power, as ranked by AC output, in 03803. ^[2]

AC output data is not currently available.

Solar Output Analysis for 03803

Sorry, it is not possible to complete our solar radiation analysis for 03803 at this time.

Historical solar radiation data for 03803 is not currently available.

Please check back later.

Weather Forecast for 03803 ^[5]

Thu Sep 3

69°F

Heavy Intensity Rain
Min: 64°F
Max: 74°F

Gentle Breeze: 12 mps SSE
Precip.: Chance of Rain
Humidity: 98%
Cloud cover: 100%

Fri Sep 4

75°F

Light Rain
Min: 61°F
Max: 76°F

Gentle Breeze: 11 mps SSE
Precip.: Chance of Rain
Humidity: 66%
Cloud cover: 76%

Sat Sep 5

67°F

Light Rain
Min: 58°F
Max: 68°F

Moderate breeze: 13 mps ENE
Precip.: Chance of Rain
Humidity: 80%
Cloud cover: 89%

Sun Sep 6

67°F

Scattered Clouds
Min: 55°F
Max: 67°F

Gentle Breeze: 12 mps NNE
Precip.: n/a
Humidity: 40%
Cloud cover: 42%

Mon Sep 7

69°F

Sky Is Clear
Min: 54°F
Max: 73°F

Light breeze: 7 mps SSW
Precip.: n/a
Humidity: 46%
Cloud cover: 0%

Tue Sep 8

76°F

Broken Clouds
Min: 59°F
Max: 80°F

Light breeze: 6 mps WSW
Precip.: n/a
Humidity: 44%
Cloud cover: 58%

More about 03803

About 03803

The ZIP code 03803 is associated with the city of Portsmouth in Rockingham County in New Hampshire.

03803 Solar Energy & Power

To learn more about solar energy and solar power in 03803, or for more solar-related resources for NH, check out the U.S. Energy Information Administration.