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 (July 30, 2026) will be 14 hours and 59 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

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

Please check back later.

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 July 30, 2026 ^[2]
- Sunrise: 5:48 am
- Sunset: 8:47 pm
- Length of Day: 14:59

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.

Please check back later.

Cost of Utilities in Napavine

Napavine Electricity Costs

Sorry, Napavine residential electricity prices are currently unavailable.

Please check back later.

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.

Please check back later.

Weather Forecast for Napavine, WA ^[5]

Thu Jul 30

76°F

Sky Is Clear
Min: 53°F
Max: 79°F

Gentle Breeze: 9 mps NW
Precip.: n/a
Humidity: 49%
Cloud cover: 2%

Fri Jul 31

80°F

Sky Is Clear
Min: 54°F
Max: 86°F

Gentle Breeze: 9 mps NW
Precip.: n/a
Humidity: 32%
Cloud cover: 0%

Sat Aug 1

63°F

Light Rain
Min: 51°F
Max: 73°F

Gentle Breeze: 10 mps WNW
Precip.: Chance of Rain
Humidity: 90%
Cloud cover: 98%

Sun Aug 2

71°F

Scattered Clouds
Min: 49°F
Max: 75°F

Gentle Breeze: 11 mps WNW
Precip.: n/a
Humidity: 40%
Cloud cover: 48%

Mon Aug 3

77°F

Sky Is Clear
Min: 46°F
Max: 80°F

Gentle Breeze: 8 mps N
Precip.: n/a
Humidity: 34%
Cloud cover: 0%

Tue Aug 4

88°F

Sky Is Clear
Min: 51°F
Max: 90°F

Gentle Breeze: 8 mps N
Precip.: n/a
Humidity: 24%
Cloud cover: 0%

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.