Solar Energy & Solar Power Resources

Solar Power in 04421 (Castine, ME)

Solar Energy in 04421

Sorry, historical solar radition values for 04421 are currently unavailable, please check back later.

Solar Panels in 04421

Solar panels in 04421 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 04421

The total length of the day in 04421 (Castine, ME) today (July 16, 2025) will be 15 hours and 14 minutes. [More]

Solar Energy in 04421 (Castine, ME)

Solar Energy Data for 04421

See the chart below to see how different types of solar panel installations compare in 04421.

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

Solar Energy Analysis for 04421

Sorry, it is not possible to complete our solar energy analysis for 04421 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 04421

Solar Radiation Data in 04421

See the chart below for monthly solar radiation levels in 04421.

Sorry, data is not currently available.

Solar Radiation Analysis for 04421

Sorry, it is not possible to complete our solar radiation analysis for 04421 at this time.

Historical solar radiation data for 04421 is not currently available.

Please check back later.

Solar Power Comparison: 04421 vs. the U.S.

Solar Power Levels in 04421

Sorry, solar radiation data for 04421 is not currently available.

Solar Power: 04421 vs. the U.S.

Below is a month-by-month comparison of how average 04421 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 04421

Sunrise / Sunset in 04421

Sunrise/Sunset for July 16, 2025 ^[2]
- Sunrise: 5:04 am
- Sunset: 8:18 pm
- Length of Day: 15:14

Best Months for Solar in 04421

Monthly data not currently available.

Solar Panel Installs in 04421

We do not have data on solar panel installations in ZIP Code 04421 at the current time.

Solar Power Output in 04421

The Power of Solar in 04421

Monthly AC solar system output averages for 04421. Month-by-month solar power, as ranked by AC output, in 04421. ^[2]

AC output data is not currently available.

Solar Output Analysis for 04421

Sorry, it is not possible to complete our solar radiation analysis for 04421 at this time.

Historical solar radiation data for 04421 is not currently available.

Please check back later.

Weather Forecast for 04421 ^[5]

Wed Jul 16

79°F

Scattered Clouds
Min: 62°F
Max: 85°F

Gentle Breeze: 11 mps S
Precip.: n/a
Humidity: 65%
Cloud cover: 25%

Thu Jul 17

72°F

Light Rain
Min: 62°F
Max: 74°F

Moderate breeze: 13 mps S
Precip.: Chance of Rain
Humidity: 84%
Cloud cover: 100%

Fri Jul 18

72°F

Sky Is Clear
Min: 61°F
Max: 78°F

Moderate breeze: 18 mps NNW
Precip.: n/a
Humidity: 55%
Cloud cover: 0%

Sat Jul 19

72°F

Sky Is Clear
Min: 56°F
Max: 72°F

Moderate breeze: 12 mps S
Precip.: n/a
Humidity: 45%
Cloud cover: 1%

Sun Jul 20

73°F

Sky Is Clear
Min: 57°F
Max: 73°F

Gentle Breeze: 12 mps S
Precip.: n/a
Humidity: 56%
Cloud cover: 7%

Mon Jul 21

68°F

Overcast Clouds
Min: 57°F
Max: 73°F

Gentle Breeze: 11 mps NNE
Precip.: n/a
Humidity: 49%
Cloud cover: 99%

More about 04421

About 04421

The ZIP code 04421 is associated with the city of Castine in Hancock County in Maine.

04421 Solar Energy & Power

To learn more about solar energy and solar power in 04421, or for more solar-related resources for ME, check out the U.S. Energy Information Administration.