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Solar Energy in Waltham, MA

Solar Energy in Waltham

The month of August has the highest historical solar radition values in Waltham with an average of 5.64 kWh/m2/day. [More]

Solar Panels in Waltham

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

Sunrise & Sunset in Waltham

The total length of the day in Waltham, MA today (November 23, 2017) will be 09 hours and 30 minutes. [More]

Waltham, MA Solar Energy

Solar Power in Waltham, MA

Solar Energy Data in Waltham, MA

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

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


Solar Energy Analysis for Waltham, MA

Solar Radiation Data in Waltham

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

Waltham has an average monthly Global Horizontal Irradiance (GHI) of 3.83 kilowatt hours per square meter per day (kWh/m2/day), which is approximately equal to the average monthly Direct Normal Irradiance (DNI) of 3.83 kWh/m2/day. [1]

Solar installations in Waltham that are always titled at the latitude of Waltham (Average Tilt at Latitude or ATaL) average 4.57 kWh/m2/day, or about 19% greater than the average monthly GHI of 3.83 kWh/m2/day and approximately 19% greater than the average monthly DNI of 3.83 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.

Compare Solar Quotes
Compare Solar Quotes

Solar Radiation Levels in Waltham

Solar Radiation Data in Waltham, MA

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

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

Solar Radiation Analysis for Waltham, MA

Solar Radiation Data in Waltham

Waltham, MA has a average annual solar radiation value of 4.59 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in Waltham is August with an average of 5.64 kWh/m2/day, followed by July at 5.6 kWh/m2/day and June at 5.41 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in Waltham (Massachusetts) are December with an average of 2.95 kWh/m2/day, followed by November with an average of 3.13 kWh/m2/day and January at 3.36 kWh/m2/day. [1]

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

Solar Power Levels in Waltham

The average monthly solar radiation level in Waltham, MA, of 4.59 kilowatt hours per square meter per day (kWh/m2/day) is approximately 23% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is approximately 30% 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 Waltham 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).

Compare Solar Quotes
Compare Solar Quotes

Solar Data & Statistics for Waltham

Sunrise / Sunset in Waltham

  • Sunrise/Sunset for November 23, 2017 [2]
    • Sunrise: 6:46 am
    • Sunset: 4:16 pm
    • Solar Noon: 11:31 am
    • Length of Day: 09:30
Solar Energy Statistics for Waltham

Best Months for Solar in Waltham

  • Top Solar Power Months Historically [1]
    • Solar Radiation August (5.64 kWh/m2/day)
    • ATaL: July (5.46 kWh/m2/day)
    • DNI: July (4.53 kWh/m2/day)
    • GHI: July (5.84 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Waltham

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

However, Waltham is in Middlesex County and Middlesex County has at least 16,989 solar insallations right now. [1]

Solar Power Output in Waltham

The Power of Solar in Waltham, MA

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

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

Solar Output Analysis for Waltham, MA

Solar Radiation Data in Waltham

Waltham (MA) has a average annual solar AC output value of 5428.86 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Waltham is August with an average of 542.16 kWhac, followed by July at 537.19 kWhac and May at 526.08 kWhac. [2]

The three months that historically average the lowest average solar output levels in Waltham (Massachusetts) are December with an average of 310.83 kWhac, followed by November with an average of 315.11 kWhac and January at 358.51 kWhac. [2]

Cost of Utilities in Waltham

Waltham Electricity Costs

Electricity prices (residential) in Waltham averaged 19.94 cents per kilowatthour (¢/kWh) in August 2017, which was about 51% more than the overall U.S. average residential electricity rate of 13.19¢/kWh in August. [3]

Solar Power Poll: Waltham

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

Waltham Natural Gas Costs

Natural gas prices (residential) in Massachusetts averaged $15.92 per thousand cubic feet (Mcf) in August 2017, which was approximately 12% less than the overall U.S. average residential natural gas rate of $18.09 per Mcf in August. [4]

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Solar Businesses in Waltham

Solar Energy Contractors in Waltham

Contractors & builders that specialize in solar panel installations in or near Waltham, MA.

Sorry, no local solar energy contractors found.

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

Solar Energy Equipment in Waltham

Businesses that sell solar energy equipment and/or solar parts in or near Waltham, MA.

Sorry, no local business selling solar equipment were found.

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

Energy Conservation Consultants in Waltham

Energy conservation specialists that offer consulting services in or near Waltham, MA.

Sorry, no local energy conservation specialists were found.

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

Weather Forecast for Waltham, MA [5]

Wed Nov 22
32°F
Sky Is Clear
Min: 32°F
Max: 32°F
Moderate breeze: 7 mps NW
Precip.: n/a
Humidity: 75%
Cloud cover: 0%
Thu Nov 23
33°F
Sky Is Clear
Min: 26°F
Max: 37°F
: 5 mps NW
Precip.: n/a
Humidity: 67%
Cloud cover: 0%
Fri Nov 24
37°F
Sky Is Clear
Min: 23°F
Max: 44°F
Gentle Breeze: 3 mps WSW
Precip.: n/a
Humidity: 68%
Cloud cover: 0%
Sat Nov 25
48°F
Broken Clouds
Min: 36°F
Max: 52°F
Fresh Breeze: 8 mps SW
Precip.: n/a
Humidity: 59%
Cloud cover: 56%
Sun Nov 26
45°F
Light Rain
Min: 35°F
Max: 45°F
Strong breeze: 10 mps WNW
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 72%
Mon Nov 27
37°F
Sky Is Clear
Min: 29°F
Max: 37°F
Strong breeze: 11 mps NW
Precip.: n/a
Humidity: 0%
Cloud cover: 0%

More about Waltham

About Waltham

The city of Waltham, MA in Middlesex County has an approximate population of 60,632. [6]

Waltham Solar Power

Waltham, MA Solar Energy

To learn more about solar energy and solar power Waltham, MA, or for more solar-related resources for Waltham, visit 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.

Other Cities in Massachusetts

ZIP Codes in MA


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References