Solar Energy & Solar Power Resources

Solar Energy in Calais, ME

Solar Energy in Calais

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

Solar Panels in Calais

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

Sunrise & Sunset in Calais

The total length of the day in Calais, ME today (September 27, 2026) will be 11 hours and 57 minutes. [More]

Solar Power in Calais, ME

Solar Energy Data in Calais, ME

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

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

Solar Energy Analysis for Calais, ME

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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 Calais

Solar Radiation Data in Calais, ME

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

Sorry, data is not currently available.

Solar Radiation Analysis for Calais, ME

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

Historical solar radiation data for Calais is not currently available.

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

Solar Power Levels in Calais

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

Solar Power: Calais vs. the U.S.

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

Sunrise / Sunset in Calais

Sunrise/Sunset for September 27, 2026 ^[2]
- Sunrise: 5:21 am
- Sunset: 5:18 pm
- Length of Day: 11:57

Best Months for Solar in Calais

Monthly data not currently available.

Solar Panel Installs in Calais

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

Solar Power Output in Calais

The Power of Solar in Calais, ME

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

AC output data is not currently available.

Solar Output Analysis for Calais, ME

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

Historical solar radiation data for Calais is not currently available.

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Cost of Utilities in Calais

Calais Electricity Costs

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Solar Power Poll: Calais

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

Calais Natural Gas Costs

Sorry, Maine residential natural gas prices are currently unavailable.

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Weather Forecast for Calais, ME ^[5]

Sun Sep 27

65°F

Moderate Rain
Min: 54°F
Max: 66°F

Gentle Breeze: 11 mps ENE
Precip.: Chance of Rain
Humidity: 65%
Cloud cover: 100%

Mon Sep 28

56°F

Moderate Rain
Min: 51°F
Max: 60°F

Gentle Breeze: 11 mps NE
Precip.: Chance of Rain
Humidity: 93%
Cloud cover: 100%

Tue Sep 29

61°F

Moderate Rain
Min: 56°F
Max: 61°F

Gentle Breeze: 9 mps E
Precip.: Chance of Rain
Humidity: 96%
Cloud cover: 100%

Wed Sep 30

64°F

Overcast Clouds
Min: 53°F
Max: 68°F

Gentle Breeze: 8 mps NNE
Precip.: n/a
Humidity: 61%
Cloud cover: 98%

Thu Oct 1

69°F

Overcast Clouds
Min: 52°F
Max: 73°F

Gentle Breeze: 10 mps S
Precip.: n/a
Humidity: 69%
Cloud cover: 95%

Fri Oct 2

66°F

Light Rain
Min: 53°F
Max: 68°F

Gentle Breeze: 11 mps WNW
Precip.: Chance of Rain
Humidity: 46%
Cloud cover: 0%

More about Calais

About Calais

The city of Calais, ME in Washington County has an approximate population of 3,123. ^[6]

Calais, ME Solar Energy

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