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Solar Energy in Portland, ME

Solar Energy in Portland

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

Solar Panels in Portland

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

Sunrise & Sunset in Portland

The total length of the day in Portland, ME today (September 24, 2021) will be 12 hours and 06 minutes. [More]

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Portland, ME Solar Energy

Solar Power in Portland, ME

Solar Energy Data in Portland, ME

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

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


Solar Energy Analysis for Portland, ME

Solar Radiation Data in Portland

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

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

Please check back later.

* 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 Portland

Solar Radiation Data in Portland, ME

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

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

Solar Radiation Analysis for Portland, ME

Solar Radiation Data in Portland

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

Historical solar radiation data for Portland is not currently available.

Please check back later.

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

Solar Power Levels in Portland

Sorry, solar radiation data for Maine is not currently available. Please try again later.

Solar Power: vs. the U.S.

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

Solar Data & Statistics for Portland

Sunrise / Sunset in Portland

  • Sunrise/Sunset for September 24, 2021 [2]
    • Sunrise: 10:29 am
    • Sunset: 10:36 pm
    • Solar Noon: 4:32 pm
    • Length of Day: 12:06
Solar Energy Statistics for Portland

Best Months for Solar in Portland

  • Top Solar Power Months Historically [1]
    • Solar Radiation n/a
    • ATaL: ( kWh/m2/day)
    • DNI: ( kWh/m2/day)
    • GHI: ( kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Portland

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

However, Portland is in Cumberland County and Cumberland County has at least 0 solar insallations right now. [1]

Solar Power Output in Portland

The Power of Solar in Portland, ME

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

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

Solar Output Analysis for Portland, ME

Solar Radiation Data in Portland

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

Historical solar radiation data for Portland is not currently available.

Please check back later.

Cost of Utilities in Portland

Portland Electricity Costs

Electricity prices (residential) in Portland averaged 16.58 cents per kilowatthour (¢/kWh) in June 2021, which was about 20% more than the overall U.S. average residential electricity rate of 13.85¢/kWh in June. [3]

Solar Power Poll: Portland

Vote now: Given all of the data and analysis provided for 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

Portland Natural Gas Costs

Natural gas prices (residential) in Maine averaged $17.76 per thousand cubic feet (Mcf) in May 2021, which was approximately 0% less than the overall U.S. average residential natural gas rate of $17.76 per Mcf in May. [4]

Weather Forecast for Portland, ME [5]

Fri Sep 24
70°F
Light Rain
Min: 63°F
Max: 70°F
Moderate breeze: 14 mps SSE
Precip.: Chance of Rain
Humidity: 91%
Cloud cover: 89%
Sat Sep 25
69°F
Light Rain
Min: 60°F
Max: 70°F
Light breeze: 7 mps SE
Precip.: Chance of Rain
Humidity: 65%
Cloud cover: 47%
Sun Sep 26
65°F
Moderate Rain
Min: 57°F
Max: 73°F
Gentle Breeze: 11 mps NNW
Precip.: Chance of Rain
Humidity: 78%
Cloud cover: 86%
Mon Sep 27
67°F
Light Rain
Min: 54°F
Max: 67°F
Moderate breeze: 14 mps WSW
Precip.: Chance of Rain
Humidity: 52%
Cloud cover: 13%
Tue Sep 28
64°F
Light Rain
Min: 51°F
Max: 64°F
Gentle Breeze: 11 mps NNW
Precip.: Chance of Rain
Humidity: 70%
Cloud cover: 97%
Wed Sep 29
58°F
Few Clouds
Min: 49°F
Max: 62°F
Moderate breeze: 12 mps N
Precip.: n/a
Humidity: 40%
Cloud cover: 12%

More about Portland

About Portland

The city of Portland, ME in Cumberland County has an approximate population of 66,194. [6]

Portland Solar Power

Portland, ME Solar Energy

To learn more about solar energy and solar power Portland, ME, or for more solar-related resources for 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

ZIP Codes in ME


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References