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Solar Energy in Gresham, OR

Solar Energy in Gresham

The month of July has the highest historical solar radition values in Gresham with an average of 6.01 kWh/m2/day. [More]

Solar Panels in Gresham

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

Sunrise & Sunset in Gresham

The total length of the day in Gresham, OR today (February 20, 2019) will be 10 hours and 45 minutes. [More]

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Gresham, OR Solar Energy

Solar Power in Gresham, OR

Solar Energy Data in Gresham, OR

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

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


Solar Energy Analysis for Gresham, OR

Solar Radiation Data in Gresham

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

Gresham has an average monthly Global Horizontal Irradiance (GHI) of 3.51 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 5% greater than the average monthly Direct Normal Irradiance (DNI) of 3.33 kWh/m2/day. [1]

Solar installations in Gresham that are always titled at the latitude of Gresham (Average Tilt at Latitude or ATaL) average 4.01 kWh/m2/day, or about 14% greater than the average monthly GHI of 3.51 kWh/m2/day and approximately 20% greater than the average monthly DNI of 3.33 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 Gresham

Solar Radiation Data in Gresham, OR

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

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

Solar Radiation Analysis for Gresham, OR

Solar Radiation Data in Gresham

Gresham, OR has a average annual solar radiation value of 3.94 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in Gresham is July with an average of 6.01 kWh/m2/day, followed by August at 5.56 kWh/m2/day and June at 5.3 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in Gresham (Oregon) are December with an average of 1.46 kWh/m2/day, followed by November with an average of 2 kWh/m2/day and January at 2.07 kWh/m2/day. [1]

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

Solar Power Levels in Gresham

The average monthly solar radiation level in Gresham, OR, of 3.94 kilowatt hours per square meter per day (kWh/m2/day) is approximately 6% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is approximately 40% 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: vs. the U.S.

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

Sunrise / Sunset in Gresham

  • Sunrise/Sunset for February 20, 2019 [2]
    • Sunrise: 3:00 pm
    • Sunset: 1:45 am
    • Solar Noon: 8:23 pm
    • Length of Day: 10:45
Solar Energy Statistics for Gresham

Best Months for Solar in Gresham

  • Top Solar Power Months Historically [1]
    • Solar Radiation July (6.01 kWh/m2/day)
    • ATaL: July (6.08 kWh/m2/day)
    • DNI: July (6.09 kWh/m2/day)
    • GHI: July (6.46 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Gresham

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

However, Gresham is in Multnomah County and Multnomah County has at least 735 solar insallations right now. [1]

Solar Power Output in Gresham

The Power of Solar in Gresham, OR

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

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

Solar Output Analysis for Gresham, OR

Solar Radiation Data in Gresham

Gresham (OR) has a average annual solar AC output value of 4561.18 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Gresham is July with an average of 571.41 kWhac, followed by August at 525.99 kWhac and May at 518.11 kWhac. [2]

The three months that historically average the lowest average solar output levels in Gresham (Oregon) are December with an average of 152.61 kWhac, followed by November with an average of 196.48 kWhac and January at 214.59 kWhac. [2]

Cost of Utilities in Gresham

Gresham Electricity Costs

Electricity prices (residential) in Gresham averaged 10.95 cents per kilowatthour (¢/kWh) in November 2018, which was about 15% less than the overall U.S. average residential electricity rate of 12.95¢/kWh in November. [3]

Solar Power Poll: Gresham

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

Gresham Natural Gas Costs

Natural gas prices (residential) in Oregon averaged $9.79 per thousand cubic feet (Mcf) in November 2018, which was approximately 4% more than the overall U.S. average residential natural gas rate of $9.43 per Mcf in November. [4]

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Solar Businesses in Gresham

Solar Energy Contractors in Gresham

Contractors & builders that specialize in solar panel installations in or near Gresham, OR.

Sorry, no local solar energy contractors found.

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

Solar Energy Equipment in Gresham

Businesses that sell solar energy equipment and/or solar parts in or near Gresham, OR.

Sorry, no local business selling solar equipment were found.

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

Energy Conservation Consultants in Gresham

Energy conservation specialists that offer consulting services in or near Gresham, OR.

Sorry, no local energy conservation specialists were found.

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

Weather Forecast for Gresham, OR [5]

Wed Feb 20
37°F
Light Rain
Min: 26°F
Max: 37°F
Light breeze: 2 mps NW
Precip.: Chance of Rain
Humidity: 100%
Cloud cover: 24%
Thu Feb 21
42°F
Sky Is Clear
Min: 22°F
Max: 42°F
Light breeze: 2 mps N
Precip.: n/a
Humidity: 79%
Cloud cover: 0%
Fri Feb 22
36°F
Light Snow
Min: 26°F
Max: 37°F
Moderate breeze: 7 mps SSW
Precip.: Chance of Rain
Humidity: 99%
Cloud cover: 92%
Sat Feb 23
39°F
Moderate Rain
Min: 32°F
Max: 40°F
Gentle Breeze: 3 mps SSW
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 42%
Sun Feb 24
39°F
Moderate Rain
Min: 28°F
Max: 41°F
Gentle Breeze: 3 mps SSE
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 30%
Mon Feb 25
35°F
Light Snow
Min: 25°F
Max: 37°F
Gentle Breeze: 3 mps E
Precip.: Chance of Snow
Humidity: 0%
Cloud cover: 0%

More about Gresham

About Gresham

The city of Gresham, OR in Multnomah County has an approximate population of 105,594. [6]

Gresham Solar Power

Gresham, OR Solar Energy

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

Did you know?

Solar cells convert sunlight into electricity through a physical process known as the photovoltaic effect.

Other Cities in Oregon

ZIP Codes in OR


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References