See the chart below to see how different types of solar panel installations compare in 01821.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical 01821 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 01821. [1]
The region associated with 01821 has an average monthly Global Horizontal Irradiance (GHI) of 3.81 kilowatt hours per square meter per day (kWh/m2/day), which is approximately equal to the average monthly Direct Normal Irradiance (DNI) of 3.81 kWh/m2/day. [1]
Solar installations in 01821 that are always titled at the latitude of Billerica (Average Tilt at Latitude or ATaL) average 4.54 kWh/m2/day, or about 19% greater than the average monthly GHI of 3.81 kWh/m2/day and approximately 19% greater than the average monthly DNI of 3.81 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 01821.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Sorry, solar radiation data for 01821 is not currently available. Please try again later.
Below is a month-by-month comparison of how average 01821 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 01821 at this current time.
However, 01821 is in Middlesex County and Middlesex County (MA) has at least 0 solar insallations right now. [1]
Monthly AC solar system output averages for 01821. Month-by-month solar power, as ranked by AC output, in 01821. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
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The ZIP code 01821 is associated with the city of Billerica in Middlesex County in Massachusetts.
To learn more about solar energy and solar power in 01821, or for more solar-related resources for MA, check out the U.S. Energy Information Administration.
Nineteen-year-old Edmund Becquerel, a French experimental physicist, discovered the basis of solar energy in 1839.
