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Solar Power in 25301 (Charleston, WV)

Solar Energy in 25301

The month of August has the highest historical solar radition values in 25301 with an average of 5.7 kWh/m2/day. [More]

Solar Panels in 25301

Solar panels in 25301 that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output. [More]

Sunrise & Sunset in 25301

The total length of the day in 25301 (Charleston, WV) today (October 22, 2025) will be 10 hours and 59 minutes. [More]

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25301 Solar Energy

Solar Energy in 25301 (Charleston, WV)

Solar Energy Data for 25301

See the chart below to see how different types of solar panel installations compare in 25301.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.


Solar Energy Analysis for 25301

Solar Radiation Data in 25301

Based on historical 25301 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 25301. [1]

The region associated with 25301 has an average monthly Global Horizontal Irradiance (GHI) of 3.96 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 7% greater than the average monthly Direct Normal Irradiance (DNI) of 3.71 kWh/m2/day. [1]

Solar installations in 25301 that are always titled at the latitude of Charleston (Average Tilt at Latitude or ATaL) average 4.5 kWh/m2/day, or about 14% greater than the average monthly GHI of 3.96 kWh/m2/day and approximately 21% greater than the average monthly DNI of 3.71 kWh/m2/day. [1]

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 25301

Solar Radiation Data in 25301

See the chart below for monthly solar radiation levels in 25301.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)

Solar Radiation Analysis for 25301

Solar Radiation Data in 25301

The region associated with 25301 has a average annual solar radiation value of 4.73 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in 25301 is August with an average of 5.7 kWh/m2/day, followed by May at 5.5 kWh/m2/day and September at 5.48 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in 25301 are December with an average of 2.95 kWh/m2/day, followed by January with an average of 3.26 kWh/m2/day and February at 4.02 kWh/m2/day. [1]

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Solar Power Comparison: 25301 vs. the U.S.

Solar Power Levels in 25301

The average monthly solar radiation level in 25301, of 4.73 kilowatt hours per square meter per day (kWh/m2/day) is approximately 20% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 28% less than the average level of 6.61 kWh/m2/day in a city with historically high levels (NV). [1]


→ Values listed as 0 (zero) are not available (N/A).

Solar Power: 25301 vs. the U.S.

Below is a month-by-month comparison of how average 25301 solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). [1]

→ k/m/d = kWh/m2/day = kilowatt hours per square meter per day.
→ Values listed as 0 (zero) are not available (N/A).

Solar Data & Statistics for 25301

Sunrise / Sunset in 25301

  • Sunrise/Sunset for October 22, 2025 [2]
    • Sunrise: 7:41 am
    • Sunset: 6:40 pm
    • Length of Day: 10:59
Solar Energy Statistics for 25301

Best Months for Solar in 25301

  • Top Solar Power Months Historically [1]
    • Solar Radiation August (5.7 kWh/m2/day)
    • ATaL: August (5.5 kWh/m2/day)
    • DNI: June (4.64 kWh/m2/day)
    • GHI: June (6.07 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in 25301

We do not have data on solar panel installations in ZIP Code 25301 at the current time.

Solar Power Output in 25301

The Power of Solar in 25301

Monthly AC solar system output averages for 25301. Month-by-month solar power, as ranked by AC output, in 25301. [2]

* Amounts listed in kWhac (kilowatt hours (AC))

Solar Output Analysis for 25301

Solar Radiation Data in 25301

25301 has a average annual solar AC output value of 5178.62 kilowatt hours (AC). [2]

The month with the highest historical solar power output in 25301 is August with an average of 510.82 kWhac, followed by May at 509.09 kWhac and July at 494.21 kWhac. [2]

The three months that historically average the lowest average solar output levels in 25301 are December with an average of 293.42 kWhac, followed by January with an average of 321.25 kWhac and February at 352.64 kWhac. [2]

Weather Forecast for 25301 [5]

Wed Oct 22
55°F
Broken Clouds
Min: 46°F
Max: 61°F
Moderate breeze: 16 mps W
Precip.: n/a
Humidity: 51%
Cloud cover: 62%
Thu Oct 23
56°F
Sky Is Clear
Min: 40°F
Max: 58°F
Gentle Breeze: 12 mps W
Precip.: n/a
Humidity: 36%
Cloud cover: 0%
Fri Oct 24
55°F
Few Clouds
Min: 35°F
Max: 58°F
Light breeze: 6 mps WNW
Precip.: n/a
Humidity: 39%
Cloud cover: 23%
Sat Oct 25
58°F
Overcast Clouds
Min: 38°F
Max: 58°F
Light breeze: 4 mps ENE
Precip.: n/a
Humidity: 37%
Cloud cover: 100%
Sun Oct 26
64°F
Overcast Clouds
Min: 39°F
Max: 64°F
Light breeze: 5 mps NE
Precip.: n/a
Humidity: 26%
Cloud cover: 100%
Mon Oct 27
64°F
Overcast Clouds
Min: 49°F
Max: 66°F
Light breeze: 6 mps SE
Precip.: n/a
Humidity: 44%
Cloud cover: 100%

More about 25301

About 25301

The ZIP code 25301 is associated with the city of Charleston in Kanawha County in West Virginia.

25301 Solar Power

25301 Solar Energy & Power

To learn more about solar energy and solar power in 25301, or for more solar-related resources for WV, check out the U.S. Energy Information Administration.

Did you know?

Nineteen-year-old Edmund Becquerel, a French experimental physicist, discovered the basis of solar energy in 1839.

Cities in West Virginia

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References

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