Solar Energy & Solar Power Resources

Solar Energy in South Portland, ME

Solar Energy in South Portland

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

Solar Panels in South Portland

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

Sunrise & Sunset in South Portland

The total length of the day in South Portland, ME today (March 30, 2025) will be 12 hours and 43 minutes. [More]

Solar Power in South Portland, ME

Solar Energy Data in South Portland, ME

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

Historical solar power output data for South Portland is not currently available.

Solar Energy Analysis for South Portland, ME

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

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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 South Portland

Solar Radiation Data in South Portland, ME

See the chart below for monthly solar radiation levels in South Portland.

Sorry, data is not currently available.

Solar Radiation Analysis for South Portland, ME

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

Historical solar radiation data for South Portland is not currently available.

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Solar Power Comparison: South Portland vs. the U.S.

Solar Power Levels in South Portland

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

Solar Power: South Portland vs. the U.S.

Below is a month-by-month comparison of how average South Portland 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 Maine is not currently available.

Solar Data & Statistics for South Portland

Sunrise / Sunset in South Portland

Sunrise/Sunset for March 30, 2025 ^[2]
- Sunrise: 5:23 am
- Sunset: 6:06 pm
- Length of Day: 12:43

Solar Energy Statistics for South Portland

Best Months for Solar in South Portland

Monthly data not currently available.

Solar Panel Installs in South Portland

We do not currently have data on solar panel installations in the city of South Portland, ME at this current time.

Solar Power Output in South Portland

The Power of Solar in South Portland, ME

Monthly AC solar system output averages for South Portland (me). Month-by-month solar power, as ranked by AC output, in South Portland. ^[2]

AC output data is not currently available.

Solar Output Analysis for South Portland, ME

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

Historical solar radiation data for South Portland is not currently available.

Please check back later.

Cost of Utilities in South Portland

South Portland Electricity Costs

Sorry, South Portland residential electricity prices are currently unavailable.

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Solar Power Poll: South Portland

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

South Portland Natural Gas Costs

Sorry, Maine residential natural gas prices are currently unavailable.

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Weather Forecast for South Portland, ME ^[5]

Sun Mar 30

33°F

Rain And Snow
Min: 30°F
Max: 43°F

Gentle Breeze: 9 mps ESE
Precip.: Chance of Rain
Humidity: 95%
Cloud cover: 100%

Mon Mar 31

44°F

Light Rain
Min: 36°F
Max: 53°F

Moderate breeze: 14 mps SSW
Precip.: Chance of Rain
Humidity: 100%
Cloud cover: 100%

Tue Apr 1

42°F

Moderate Rain
Min: 32°F
Max: 50°F

Moderate breeze: 18 mps N
Precip.: Chance of Rain
Humidity: 55%
Cloud cover: 100%

Wed Apr 2

35°F

Snow
Min: 29°F
Max: 35°F

Moderate breeze: 16 mps SSE
Precip.: Chance of Snow
Humidity: 30%
Cloud cover: 100%

Thu Apr 3

45°F

Moderate Rain
Min: 35°F
Max: 54°F

Fresh Breeze: 19 mps SSE
Precip.: Chance of Rain
Humidity: 99%
Cloud cover: 100%

Fri Apr 4

47°F

Overcast Clouds
Min: 41°F
Max: 51°F

Moderate breeze: 12 mps W
Precip.: n/a
Humidity: 66%
Cloud cover: 100%

More about South Portland

About South Portland

The city of South Portland, ME in Cumberland County has an approximate population of 25,002. ^[6]

South Portland, ME Solar Energy

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