Solar Energy & Solar Power Resources

Solar Energy in Napavine, WA

Solar Energy in Napavine

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

Solar Panels in Napavine

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

Sunrise & Sunset in Napavine

The total length of the day in Napavine, WA today (October 02, 2026) will be 11 hours and 41 minutes. [More]

Solar Power in Napavine, WA

Solar Energy Data in Napavine, WA

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

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

Solar Energy Analysis for Napavine, WA

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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 Napavine

Solar Radiation Data in Napavine, WA

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

Sorry, data is not currently available.

Solar Radiation Analysis for Napavine, WA

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

Historical solar radiation data for Napavine is not currently available.

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

Solar Power Levels in Napavine

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

Solar Power: Napavine vs. the U.S.

Below is a month-by-month comparison of how average Napavine 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 Washington is not currently available.

Solar Data & Statistics for Napavine

Sunrise / Sunset in Napavine

Sunrise/Sunset for October 02, 2026 ^[2]
- Sunrise: 7:10 am
- Sunset: 6:51 pm
- Length of Day: 11:41

Best Months for Solar in Napavine

Monthly data not currently available.

Solar Panel Installs in Napavine

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

Solar Power Output in Napavine

The Power of Solar in Napavine, WA

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

AC output data is not currently available.

Solar Output Analysis for Napavine, WA

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

Historical solar radiation data for Napavine is not currently available.

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Cost of Utilities in Napavine

Napavine Electricity Costs

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Solar Power Poll: Napavine

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

Napavine Natural Gas Costs

Sorry, Washington residential natural gas prices are currently unavailable.

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Weather Forecast for Napavine, WA ^[5]

Fri Oct 2

72°F

Overcast Clouds
Min: 52°F
Max: 74°F

Light breeze: 5 mps SE
Precip.: n/a
Humidity: 70%
Cloud cover: 100%

Sat Oct 3

72°F

Few Clouds
Min: 51°F
Max: 76°F

Gentle Breeze: 8 mps N
Precip.: n/a
Humidity: 67%
Cloud cover: 12%

Sun Oct 4

70°F

Scattered Clouds
Min: 51°F
Max: 74°F

Light breeze: 6 mps NNW
Precip.: n/a
Humidity: 65%
Cloud cover: 34%

Mon Oct 5

61°F

Broken Clouds
Min: 53°F
Max: 69°F

Light breeze: 6 mps NNW
Precip.: n/a
Humidity: 76%
Cloud cover: 77%

Tue Oct 6

60°F

Broken Clouds
Min: 54°F
Max: 68°F

Gentle Breeze: 9 mps N
Precip.: n/a
Humidity: 82%
Cloud cover: 77%

Wed Oct 7

59°F

Few Clouds
Min: 51°F
Max: 69°F

Gentle Breeze: 10 mps N
Precip.: n/a
Humidity: 77%
Cloud cover: 15%

More about Napavine

About Napavine

The city of Napavine, WA in Lewis County has an approximate population of 1,766. ^[6]

Napavine, WA Solar Energy

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