Solar Energy & Solar Power Resources

Solar Power in 04103 (Portland, ME)

Solar Energy in 04103

Sorry, historical solar radition values for 04103 are currently unavailable, please check back later.

Solar Panels in 04103

Solar panels in 04103 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 04103

The total length of the day in 04103 (Portland, ME) today (July 13, 2026) will be 15 hours and 13 minutes. [More]

Solar Energy in 04103 (Portland, ME)

Solar Energy Data for 04103

See the chart below to see how different types of solar panel installations compare in 04103.

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

Solar Energy Analysis for 04103

Sorry, it is not possible to complete our solar energy analysis for 04103 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 04103

Solar Radiation Data in 04103

See the chart below for monthly solar radiation levels in 04103.

Sorry, data is not currently available.

Solar Radiation Analysis for 04103

Sorry, it is not possible to complete our solar radiation analysis for 04103 at this time.

Historical solar radiation data for 04103 is not currently available.

Please check back later.

Solar Power Comparison: 04103 vs. the U.S.

Solar Power Levels in 04103

Sorry, solar radiation data for 04103 is not currently available.

Solar Power: 04103 vs. the U.S.

Below is a month-by-month comparison of how average 04103 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 04103

Sunrise / Sunset in 04103

Sunrise/Sunset for July 13, 2026 ^[2]
- Sunrise: 5:10 am
- Sunset: 8:23 pm
- Length of Day: 15:13

Best Months for Solar in 04103

Monthly data not currently available.

Solar Panel Installs in 04103

We do not have data on solar panel installations in ZIP Code 04103 at the current time.

Solar Power Output in 04103

The Power of Solar in 04103

Monthly AC solar system output averages for 04103. Month-by-month solar power, as ranked by AC output, in 04103. ^[2]

AC output data is not currently available.

Solar Output Analysis for 04103

Sorry, it is not possible to complete our solar radiation analysis for 04103 at this time.

Historical solar radiation data for 04103 is not currently available.

Please check back later.

Weather Forecast for 04103 ^[5]

Mon Jul 13

84°F

Light Rain
Min: 62°F
Max: 85°F

Moderate breeze: 15 mps S
Precip.: Chance of Rain
Humidity: 57%
Cloud cover: 39%

Tue Jul 14

83°F

Light Rain
Min: 69°F
Max: 96°F

Moderate breeze: 15 mps W
Precip.: Chance of Rain
Humidity: 50%
Cloud cover: 100%

Wed Jul 15

87°F

Light Rain
Min: 70°F
Max: 90°F

Moderate breeze: 15 mps NW
Precip.: Chance of Rain
Humidity: 30%
Cloud cover: 100%

Thu Jul 16

89°F

Light Rain
Min: 62°F
Max: 89°F

Moderate breeze: 15 mps W
Precip.: Chance of Rain
Humidity: 26%
Cloud cover: 97%

Fri Jul 17

74°F

Sky Is Clear
Min: 57°F
Max: 79°F

Moderate breeze: 14 mps NW
Precip.: n/a
Humidity: 30%
Cloud cover: 1%

Sat Jul 18

79°F

Scattered Clouds
Min: 58°F
Max: 84°F

Gentle Breeze: 9 mps WNW
Precip.: n/a
Humidity: 26%
Cloud cover: 48%

More about 04103

About 04103

The ZIP code 04103 is associated with the city of Portland in Cumberland County in Maine.

04103 Solar Energy & Power

To learn more about solar energy and solar power in 04103, or for more solar-related resources for ME, check out the U.S. Energy Information Administration.