See the chart below to see how different types of solar panel installations compare in Ontario.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical Ontario, CA data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Ontario. [1]
Ontario has an average monthly Global Horizontal Irradiance (GHI) of 5.35 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 11% less than the average monthly Direct Normal Irradiance (DNI) of 6.01 kWh/m2/day. [1]
Solar installations in Ontario that are always titled at the latitude of Ontario (Average Tilt at Latitude or ATaL) average 6.11 kWh/m2/day, or about 14% greater than the average monthly GHI of 5.35 kWh/m2/day and approximately 2% greater than the average monthly DNI of 6.01 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 Ontario.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Ontario, CA has a average annual solar radiation value of 6.21 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Ontario is August with an average of 7.19 kWh/m2/day, followed by September at 6.95 kWh/m2/day and July at 6.86 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Ontario (California) are December with an average of 5.2 kWh/m2/day, followed by January with an average of 5.43 kWh/m2/day and February at 5.53 kWh/m2/day. [1]
The average monthly solar radiation level in Ontario, CA, of 6.21 kilowatt hours per square meter per day (kWh/m2/day) is approximately 58% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 6% less than the average level of 6.61 kWh/m2/day in a city with historically high levels (NV). [1]
→ Values listed as 0 (zero) are not available (N/A).
Below is a month-by-month comparison of how average Ontario 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 Ontario, CA at this current time.
Monthly AC solar system output averages for Ontario (ca). Month-by-month solar power, as ranked by AC output, in Ontario. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Ontario (CA) has a average annual solar AC output value of 6785.88 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Ontario is August with an average of 650.78 kWhac, followed by July at 619.46 kWhac and September at 606.4 kWhac. [2]
The three months that historically average the lowest average solar output levels in Ontario (California) are February with an average of 476.74 kWhac, followed by December with an average of 500 kWhac and January at 518.66 kWhac. [2]
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Vote now: Given all of the data and analysis provided for Ontario, is solar power a good choice for residents of this city?
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The city of Ontario, CA in San Bernardino County has an approximate population of 163,924. [6]
To learn more about solar energy and solar power Ontario, CA, or for more solar-related resources for Ontario, visit the U.S. Energy Information Administration.
Some tax incentives and rebate programs are designed to spur the use of solar energy. These vary by location.
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