Solar Energy & Solar Power Resources

Solar Energy in Ottumwa, IA

Solar Energy in Ottumwa

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

Solar Panels in Ottumwa

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

Sunrise & Sunset in Ottumwa

The total length of the day in Ottumwa, IA today (November 19, 2025) will be 9 hours and 49 minutes. [More]

Solar Power in Ottumwa, IA

Solar Energy Data in Ottumwa, IA

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

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

Solar Energy Analysis for Ottumwa, IA

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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 Ottumwa

Solar Radiation Data in Ottumwa, IA

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

Sorry, data is not currently available.

Solar Radiation Analysis for Ottumwa, IA

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

Historical solar radiation data for Ottumwa is not currently available.

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

Solar Power Levels in Ottumwa

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

Solar Power: Ottumwa vs. the U.S.

Below is a month-by-month comparison of how average Ottumwa 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 Iowa is not currently available.

Solar Data & Statistics for Ottumwa

Sunrise / Sunset in Ottumwa

Sunrise/Sunset for November 19, 2025 ^[2]
- Sunrise: 7:00 am
- Sunset: 4:49 pm
- Length of Day: 9:49

Best Months for Solar in Ottumwa

Monthly data not currently available.

Solar Panel Installs in Ottumwa

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

Solar Power Output in Ottumwa

The Power of Solar in Ottumwa, IA

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

AC output data is not currently available.

Solar Output Analysis for Ottumwa, IA

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

Historical solar radiation data for Ottumwa is not currently available.

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Cost of Utilities in Ottumwa

Ottumwa Electricity Costs

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Solar Power Poll: Ottumwa

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

Ottumwa Natural Gas Costs

Sorry, Iowa residential natural gas prices are currently unavailable.

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Weather Forecast for Ottumwa, IA ^[5]

Wed Nov 19

50°F

Broken Clouds
Min: 40°F
Max: 55°F

Light breeze: 6 mps ENE
Precip.: n/a
Humidity: 66%
Cloud cover: 82%

Thu Nov 20

60°F

Light Rain
Min: 46°F
Max: 64°F

Light breeze: 6 mps SE
Precip.: Chance of Rain
Humidity: 60%
Cloud cover: 74%

Fri Nov 21

49°F

Moderate Rain
Min: 47°F
Max: 51°F

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

Sat Nov 22

52°F

Few Clouds
Min: 38°F
Max: 56°F

Gentle Breeze: 8 mps SSW
Precip.: n/a
Humidity: 44%
Cloud cover: 12%

Sun Nov 23

62°F

Few Clouds
Min: 44°F
Max: 64°F

Gentle Breeze: 12 mps WSW
Precip.: n/a
Humidity: 57%
Cloud cover: 14%

Mon Nov 24

51°F

Overcast Clouds
Min: 44°F
Max: 52°F

Gentle Breeze: 9 mps NNE
Precip.: n/a
Humidity: 49%
Cloud cover: 100%

More about Ottumwa

About Ottumwa

The city of Ottumwa, IA in Wapello County has an approximate population of 25,023. ^[6]

Ottumwa, IA Solar Energy

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