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Solar Energy in South Portland, ME

Solar Energy in South Portland

The month of July has the highest historical solar radition values in South Portland with an average of 5.73 kWh/m2/day. [More]

Solar Panels in South Portland

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

Sunrise & Sunset in South Portland

The total length of the day in South Portland, ME today (August 19, 2017) will be 13 hours and 46 minutes. [More]

South Portland, ME Solar Energy

Solar Power in South Portland, ME

Solar Energy Data in South Portland, ME

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

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


Solar Energy Analysis for South Portland, ME

Solar Radiation Data in South Portland

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

South Portland has an average monthly Global Horizontal Irradiance (GHI) of 3.83 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 7% less than the average monthly Direct Normal Irradiance (DNI) of 4.14 kWh/m2/day. [1]

Solar installations in South Portland that are always titled at the latitude of South Portland (Average Tilt at Latitude or ATaL) average 4.63 kWh/m2/day, or about 21% greater than the average monthly GHI of 3.83 kWh/m2/day and approximately 12% greater than the average monthly DNI of 4.14 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.

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Solar Radiation Levels in South Portland

Solar Radiation Data in South Portland, ME

See the chart below for monthly solar radiation levels in South Portland.

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

Solar Radiation Analysis for South Portland, ME

Solar Radiation Data in South Portland

South Portland, ME has a average annual solar radiation value of 4.67 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in South Portland is July with an average of 5.73 kWh/m2/day, followed by August at 5.56 kWh/m2/day and June at 5.37 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in South Portland (Maine) are December with an average of 2.92 kWh/m2/day, followed by November with an average of 3.12 kWh/m2/day and January at 3.63 kWh/m2/day. [1]

Solar Power Comparison: South Portland vs. the U.S.

Solar Power Levels in South Portland

The average monthly solar radiation level in South Portland, ME, of 4.67 kilowatt hours per square meter per day (kWh/m2/day) is approximately 25% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is (sorry, data not currently available) the average level of kWh/m2/day in a city with historically high levels (NV). [1]


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

Solar Power: vs. the U.S.

Below is a month-by-month comparison of how average South Portland 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).

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Compare Solar Quotes

Solar Data & Statistics for South Portland

Sunrise / Sunset in South Portland

  • Sunrise/Sunset for August 19, 2017 [2]
    • Sunrise: 5:51 am
    • Sunset: 7:37 pm
    • Solar Noon: 12:44 pm
    • Length of Day: 13:46
Solar Energy Statistics for South Portland

Best Months for Solar in South Portland

  • Top Solar Power Months Historically [1]
    • Solar Radiation July (5.73 kWh/m2/day)
    • ATaL: August (5.6 kWh/m2/day)
    • DNI: July (5.14 kWh/m2/day)
    • GHI: July (5.93 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in South Portland

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

However, South Portland is in Cumberland County and Cumberland County has at least 196 solar insallations right now. [1]

Solar Power Output in South Portland

The Power of Solar in South Portland, ME

Monthly AC solar system output averages for South Portland (me). Month-by-month solar power, as ranked by AC output, in South Portland. [2]

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

Solar Output Analysis for South Portland, ME

Solar Radiation Data in South Portland

South Portland (ME) has a average annual solar AC output value of 5529.2 kilowatt hours (AC). [2]

The month with the highest historical solar power output in South Portland is July with an average of 545.93 kWhac, followed by August at 535.24 kWhac and May at 531.79 kWhac. [2]

The three months that historically average the lowest average solar output levels in South Portland (Maine) are November with an average of 312.16 kWhac, followed by December with an average of 312.16 kWhac and January at 387.83 kWhac. [2]

Cost of Utilities in South Portland

South Portland Electricity Costs

Electricity prices (residential) in South Portland averaged 16.18 cents per kilowatthour (¢/kWh) in May 2017, which was about 24% more than the overall U.S. average residential electricity rate of 13.02¢/kWh in May. [3]

Solar Power Poll: South Portland

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

Yes, solar power is a great option  
No, solar power isn't a good option

South Portland Natural Gas Costs

Natural gas prices (residential) in Maine averaged $14.97 per thousand cubic feet (Mcf) in May 2017, which was approximately 13% more than the overall U.S. average residential natural gas rate of $13.21 per Mcf in May. [4]

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Solar Businesses in South Portland

Solar Energy Contractors in South Portland

Contractors & builders that specialize in solar panel installations in or near South Portland, ME.

Sorry, no local solar energy contractors found.

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

Solar Energy Equipment in South Portland

Businesses that sell solar energy equipment and/or solar parts in or near South Portland, ME.

Sorry, no local business selling solar equipment were found.

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

Energy Conservation Consultants in South Portland

Energy conservation specialists that offer consulting services in or near South Portland, ME.

Sorry, no local energy conservation specialists were found.

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

Weather Forecast for South Portland, ME [5]

Fri Aug 18
60°F
Moderate Rain
Min: 60°F
Max: 60°F
Calm: 1 mps NW
Precip.: Chance of Rain
Humidity: 97%
Cloud cover: 92%
Sat Aug 19
66°F
Moderate Rain
Min: 59°F
Max: 74°F
Light breeze: 2 mps W
Precip.: Chance of Rain
Humidity: 89%
Cloud cover: 12%
Sun Aug 20
72°F
Sky Is Clear
Min: 64°F
Max: 74°F
Moderate breeze: 6 mps W
Precip.: n/a
Humidity: 74%
Cloud cover: 0%
Mon Aug 21
75°F
Sky Is Clear
Min: 62°F
Max: 78°F
Gentle Breeze: 4 mps SW
Precip.: n/a
Humidity: 68%
Cloud cover: 0%
Tue Aug 22
79°F
Light Rain
Min: 69°F
Max: 79°F
Fresh Breeze: 9 mps S
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 13%
Wed Aug 23
74°F
Moderate Rain
Min: 60°F
Max: 74°F
Fresh Breeze: 9 mps W
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 15%

More about South Portland

About South Portland

The city of South Portland, ME in Cumberland County has an approximate population of 25,002. [6]

South Portland Solar Power

South Portland, ME Solar Energy

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

Did you know?

Various missions to space by different countries are known to utilize solar energy as a main power source.

Other Cities in Maine

References