See the chart below to see how different types of solar panel installations compare in Somerville.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical Somerville, 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 Somerville. [1]
Somerville has an average monthly Global Horizontal Irradiance (GHI) of 3.84 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 1% greater than the average monthly Direct Normal Irradiance (DNI) of 3.79 kWh/m2/day. [1]
Solar installations in Somerville that are always titled at the latitude of Somerville (Average Tilt at Latitude or ATaL) average 4.57 kWh/m2/day, or about 19% greater than the average monthly GHI of 3.84 kWh/m2/day and approximately 21% greater than the average monthly DNI of 3.79 kWh/m2/day. [1]
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: 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: 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.
See the chart below for monthly solar radiation levels in Somerville.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Sorry, solar radiation data for Massachusetts is not currently available. Please try again later.
Below is a month-by-month comparison of how average Somerville 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).
We do not currently have data on solar panel installations in the city of Somerville, MA at this current time.
However, Somerville is in Middlesex County and Middlesex County has at least 0 solar insallations right now. [1]
Monthly AC solar system output averages for Somerville (ma). Month-by-month solar power, as ranked by AC output, in Somerville. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Electricity prices (residential) in Somerville averaged 18.59 cents per kilowatthour (¢/kWh) in May 2021, which was about 36% more than the overall U.S. average residential electricity rate of 13.71¢/kWh in May. [3]
Vote now: Given all of the data and analysis provided for Somerville, is solar power a good choice for residents of this city?
Natural gas prices (residential) in Massachusetts averaged $15.56 per thousand cubic feet (Mcf) in April 2021, which was approximately 27% more than the overall U.S. average residential natural gas rate of $12.21 per Mcf in April. [4]
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The city of Somerville, MA in Middlesex County has an approximate population of 75,754. [6]
To learn more about solar energy and solar power Somerville, MA, or for more solar-related resources for Somerville, visit the U.S. Energy Information Administration.
About half of the sun's energy is absorbed by the Earth's surface; about 30 percent is reflected back from the surface.
