Solar Energy & Solar Power Resources

Solar Energy in Rockland, ME

Solar Energy in Rockland

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

Solar Panels in Rockland

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

Sunrise & Sunset in Rockland

The total length of the day in Rockland, ME today (September 14, 2025) will be 12 hours and 37 minutes. [More]

Solar Power in Rockland, ME

Solar Energy Data in Rockland, ME

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

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

Solar Energy Analysis for Rockland, ME

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

Solar Radiation Data in Rockland, ME

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

Sorry, data is not currently available.

Solar Radiation Analysis for Rockland, ME

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

Historical solar radiation data for Rockland is not currently available.

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

Solar Power Levels in Rockland

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

Solar Power: Rockland vs. the U.S.

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

Sunrise / Sunset in Rockland

Sunrise/Sunset for September 14, 2025 ^[2]
- Sunrise: 5:13 am
- Sunset: 5:50 pm
- Length of Day: 12:37

Best Months for Solar in Rockland

Monthly data not currently available.

Solar Panel Installs in Rockland

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

Solar Power Output in Rockland

The Power of Solar in Rockland, ME

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

AC output data is not currently available.

Solar Output Analysis for Rockland, ME

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

Historical solar radiation data for Rockland is not currently available.

Please check back later.

Cost of Utilities in Rockland

Rockland Electricity Costs

Sorry, Rockland residential electricity prices are currently unavailable.

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Solar Power Poll: Rockland

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

Rockland Natural Gas Costs

Sorry, Maine residential natural gas prices are currently unavailable.

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Weather Forecast for Rockland, ME ^[5]

Sun Sep 14

71°F

Light Rain
Min: 54°F
Max: 71°F

Gentle Breeze: 8 mps SE
Precip.: Chance of Rain
Humidity: 74%
Cloud cover: 52%

Mon Sep 15

65°F

Sky Is Clear
Min: 56°F
Max: 65°F

Gentle Breeze: 9 mps S
Precip.: n/a
Humidity: 62%
Cloud cover: 3%

Tue Sep 16

65°F

Sky Is Clear
Min: 55°F
Max: 67°F

Gentle Breeze: 12 mps SSW
Precip.: n/a
Humidity: 70%
Cloud cover: 0%

Wed Sep 17

66°F

Sky Is Clear
Min: 57°F
Max: 67°F

Gentle Breeze: 12 mps SSW
Precip.: n/a
Humidity: 75%
Cloud cover: 0%

Thu Sep 18

66°F

Broken Clouds
Min: 58°F
Max: 66°F

Gentle Breeze: 12 mps SSW
Precip.: n/a
Humidity: 68%
Cloud cover: 53%

Fri Sep 19

72°F

Light Rain
Min: 53°F
Max: 72°F

Moderate breeze: 14 mps NNW
Precip.: Chance of Rain
Humidity: 62%
Cloud cover: 19%

More about Rockland

About Rockland

The city of Rockland, ME in Knox County has an approximate population of 7,297. ^[6]

Rockland, ME Solar Energy

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