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Solar Power in 57278 (Willow Lake, SD)

Solar Energy in 57278

The month of July has the highest historical solar radition values in 57278 with an average of 6.24 kWh/m2/day. [More]

Solar Panels in 57278

Solar panels in 57278 that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output. [More]

Sunrise & Sunset in 57278

The total length of the day in 57278 (Willow Lake, SD) today (July 19, 2018) will be 15 hours and 03 minutes. [More]

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57278 Solar Energy

Solar Energy in 57278 (Willow Lake, SD)

Solar Energy Data for 57278

See the chart below to see how different types of solar panel installations compare in 57278.

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


Solar Energy Analysis for 57278

Solar Radiation Data in 57278

Based on historical 57278 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 57278. [1]

The region associated with 57278 has an average monthly Global Horizontal Irradiance (GHI) of 3.94 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 10% less than the average monthly Direct Normal Irradiance (DNI) of 4.37 kWh/m2/day. [1]

Solar installations in 57278 that are always titled at the latitude of Willow Lake (Average Tilt at Latitude or ATaL) average 4.65 kWh/m2/day, or about 18% greater than the average monthly GHI of 3.94 kWh/m2/day and approximately 6% greater than the average monthly DNI of 4.37 kWh/m2/day. [1]

* See glossary & definitions below.

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 57278

Solar Radiation Data in 57278

See the chart below for monthly solar radiation levels in 57278.

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

Solar Radiation Analysis for 57278

Solar Radiation Data in 57278

The region associated with 57278 has a average annual solar radiation value of 4.93 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in 57278 is July with an average of 6.24 kWh/m2/day, followed by August at 6.17 kWh/m2/day and June at 5.75 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in 57278 are December with an average of 3 kWh/m2/day, followed by November with an average of 3.6 kWh/m2/day and January at 3.64 kWh/m2/day. [1]

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Solar Power Comparison: 57278 vs. the U.S.

Solar Power Levels in 57278

The average monthly solar radiation level in 57278, of 4.93 kilowatt hours per square meter per day (kWh/m2/day) is approximately 32% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is approximately 25% less than the average level of 6.6 kWh/m2/day in a city with historically high levels (NV). [1]


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

Solar Power: 57278 vs. the U.S.

Below is a month-by-month comparison of how average 57278 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 57278

Sunrise / Sunset in 57278

  • Sunrise/Sunset for July 19, 2018 [2]
    • Sunrise: 6:05 am
    • Sunset: 9:09 pm
    • Solar Noon: 1:37 pm
    • Length of Day: 15:03
Solar Energy Statistics for 57278

Best Months for Solar in 57278

  • Top Solar Power Months Historically [1]
    • Solar Radiation July (6.24 kWh/m2/day)
    • ATaL: July (6.3 kWh/m2/day)
    • DNI: July (6.76 kWh/m2/day)
    • GHI: July (6.75 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in 57278

We do not currently have data on solar panel installations in 57278 at this current time.

However, 57278 is in Clark County and Clark County (SD) has at least 0 solar insallations right now. [1]

Solar Power Output in 57278

The Power of Solar in 57278

Monthly AC solar system output averages for 57278. Month-by-month solar power, as ranked by AC output, in 57278. [2]

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

Solar Output Analysis for 57278

Solar Radiation Data in 57278

57278 has a average annual solar AC output value of 5815.68 kilowatt hours (AC). [2]

The month with the highest historical solar power output in 57278 is August with an average of 588.86 kWhac, followed by July at 585.69 kWhac and May at 551.8 kWhac. [2]

The three months that historically average the lowest average solar output levels in 57278 are December with an average of 325.74 kWhac, followed by November with an average of 363 kWhac and January at 397.91 kWhac. [2]

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Solar Businesses in 57278

Solar Energy Contractors in 57278

Contractors & builders that specialize in solar panel installations in or near 57278.

Sorry, no local solar energy contractors found.

Our search for solar contractors companies located in 57278 produced no matches.

Solar Energy Equipment in 57278

Businesses that sell solar energy equipment and/or solar parts in or near 57278.

Sorry, no local business selling solar equipment were found.

Our search for companies selling solar parts located in 57278 produced no matches.

Energy Conservation Consultants in 57278

Energy conservation specialists that offer consulting services in or near 57278.

Sorry, no local energy conservation specialists were found.

Our search for energy conservation specialists located in 57278 produced no matches.

Weather Forecast for 57278 [5]

Thu Jul 19
64°F
Sky Is Clear
Min: 55°F
Max: 64°F
High wind, near gale: 15 mps NNW
Precip.: n/a
Humidity: 81%
Cloud cover: 0%
Fri Jul 20
74°F
Few Clouds
Min: 56°F
Max: 76°F
Strong breeze: 13 mps NW
Precip.: n/a
Humidity: 86%
Cloud cover: 20%
Sat Jul 21
74°F
Sky Is Clear
Min: 62°F
Max: 77°F
Fresh Breeze: 10 mps NNE
Precip.: n/a
Humidity: 81%
Cloud cover: 0%
Sun Jul 22
76°F
Moderate Rain
Min: 58°F
Max: 78°F
Strong breeze: 10 mps ESE
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 0%
Mon Jul 23
75°F
Heavy Intensity Rain
Min: 63°F
Max: 79°F
Gentle Breeze: 4 mps NW
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 0%
Tue Jul 24
69°F
Sky Is Clear
Min: 55°F
Max: 71°F
Strong breeze: 13 mps NNW
Precip.: n/a
Humidity: 0%
Cloud cover: 5%

More about 57278

About 57278

The ZIP code 57278 is associated with the city of Willow Lake in Clark County in South Dakota.

57278 Solar Power

57278 Solar Energy & Power

To learn more about solar energy and solar power in 57278, or for more solar-related resources for SD, check out the U.S. Energy Information Administration.

Did you know?

The largest solar power plant in the world covers 1000 acres & is located in the Mojave Desert in California.

Cities in South Dakota

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