Solar Energy & Solar Power Resources

Solar Power in 04123 (Portland, ME)

Solar Energy in 04123

Sorry, historical solar radition values for 04123 are currently unavailable, please check back later.

Solar Panels in 04123

Solar panels in 04123 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 04123

The total length of the day in 04123 (Portland, ME) today (August 12, 2026) will be 14 hours and 10 minutes. [More]

Solar Energy in 04123 (Portland, ME)

Solar Energy Data for 04123

See the chart below to see how different types of solar panel installations compare in 04123.

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

Solar Energy Analysis for 04123

Sorry, it is not possible to complete our solar energy analysis for 04123 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 04123

Solar Radiation Data in 04123

See the chart below for monthly solar radiation levels in 04123.

Sorry, data is not currently available.

Solar Radiation Analysis for 04123

Sorry, it is not possible to complete our solar radiation analysis for 04123 at this time.

Historical solar radiation data for 04123 is not currently available.

Please check back later.

Solar Power Comparison: 04123 vs. the U.S.

Solar Power Levels in 04123

Sorry, solar radiation data for 04123 is not currently available.

Solar Power: 04123 vs. the U.S.

Below is a month-by-month comparison of how average 04123 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 04123

Sunrise / Sunset in 04123

Sunrise/Sunset for August 12, 2026 ^[2]
- Sunrise: 5:41 am
- Sunset: 7:51 pm
- Length of Day: 14:10

Best Months for Solar in 04123

Monthly data not currently available.

Solar Panel Installs in 04123

We do not have data on solar panel installations in ZIP Code 04123 at the current time.

Solar Power Output in 04123

The Power of Solar in 04123

Monthly AC solar system output averages for 04123. Month-by-month solar power, as ranked by AC output, in 04123. ^[2]

AC output data is not currently available.

Solar Output Analysis for 04123

Sorry, it is not possible to complete our solar radiation analysis for 04123 at this time.

Historical solar radiation data for 04123 is not currently available.

Please check back later.

Weather Forecast for 04123 ^[5]

Wed Aug 12

76°F

Sky Is Clear
Min: 64°F
Max: 78°F

Gentle Breeze: 9 mps SSW
Precip.: n/a
Humidity: 54%
Cloud cover: 1%

Thu Aug 13

77°F

Light Rain
Min: 62°F
Max: 77°F

Light breeze: 6 mps NNW
Precip.: Chance of Rain
Humidity: 60%
Cloud cover: 31%

Fri Aug 14

75°F

Sky Is Clear
Min: 58°F
Max: 78°F

Moderate breeze: 13 mps NNW
Precip.: n/a
Humidity: 34%
Cloud cover: 0%

Sat Aug 15

74°F

Sky Is Clear
Min: 57°F
Max: 78°F

Gentle Breeze: 8 mps NW
Precip.: n/a
Humidity: 39%
Cloud cover: 0%

Sun Aug 16

69°F

Light Rain
Min: 58°F
Max: 74°F

Moderate breeze: 14 mps SSW
Precip.: Chance of Rain
Humidity: 53%
Cloud cover: 100%

Mon Aug 17

72°F

Light Rain
Min: 64°F
Max: 81°F

Gentle Breeze: 9 mps NNW
Precip.: Chance of Rain
Humidity: 64%
Cloud cover: 85%

More about 04123

About 04123

The ZIP code 04123 is associated with the city of Portland in Cumberland County in Maine.

04123 Solar Energy & Power

To learn more about solar energy and solar power in 04123, or for more solar-related resources for ME, check out the U.S. Energy Information Administration.