Based on historical The Dalles, 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 The Dalles.[1]
The Dalles has an average monthly Global Horizontal Irradiance (GHI) of 4.24 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 13% less than the average monthly Direct Normal Irradiance (DNI) of 4.86 kWh/m2/day. [1]
Solar installations in The Dalles that are always titled at the latitude of The Dalles (Average Tilt at Latitude or ATaL) average 5.01 kWh/m2/day, or about 18% greater than the average monthly GHI of 4.24 kWh/m2/day and approximately 3% greater than the average monthly DNI of 4.86 kWh/m2/day. [1]
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 The Dalles
Solar Radiation Data in The Dalles, OR
See the chart below for monthly solar radiation levels in The Dalles.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Solar Radiation Analysis for The Dalles, OR
The Dalles, OR has a average annual solar radiation value of 4.92 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in The Dalles is July with an average of 7.35 kWh/m2/day, followed by August at 7.15 kWh/m2/day and June at 6.85 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in The Dalles (Oregon) are December with an average of 1.84 kWh/m2/day, followed by January with an average of 1.94 kWh/m2/day and November at 2.58 kWh/m2/day. [1]
Solar Power Comparison: The Dalles vs. the U.S.
Solar Power Levels in The Dalles
The average monthly solar radiation level in The Dalles, OR, of 4.92 kilowatt hours per square meter per day (kWh/m2/day) is approximately 25% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 26% 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).
Solar Power: The Dalles vs. the U.S.
Below is a month-by-month comparison of how average The Dalles 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 The Dalles, OR at this current time.
Solar Power Output in The Dalles
The Power of Solar in The Dalles, OR
Monthly AC solar system output averages for The Dalles (or). Month-by-month solar power, as ranked by AC output, in The Dalles. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Solar Output Analysis for The Dalles, OR
The Dalles (OR) has a average annual solar AC output value of 5521.58 kilowatt hours (AC). [2]
The month with the highest historical solar power output in The Dalles is July with an average of 665.38 kWhac, followed by August at 650.16 kWhac and June at 624.64 kWhac. [2]
The three months that historically average the lowest average solar output levels in The Dalles (Oregon) are December with an average of 188.42 kWhac, followed by January with an average of 198.05 kWhac and November at 252.62 kWhac. [2]
Cost of Utilities in The Dalles
The Dalles Electricity Costs
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Solar Power Poll: The Dalles
Vote now: Given all of the data and analysis provided for The Dalles, is solar power a good choice for residents of this city?
The Dalles Natural Gas Costs
Sorry, Oregon residential natural gas prices are currently unavailable.
The city of The Dalles, OR in Wasco County has an approximate population of 13,620. [6]
The Dalles, OR Solar Energy
To learn more about solar energy and solar power The Dalles, OR, or for more solar-related resources for The Dalles, visit the U.S. Energy Information Administration.
Did you know?
Various missions to space by different countries are known to utilize solar energy as a main power source.
