Solar PV Analysis of Corvallis, United States
Corvallis, Oregon is a decent place to generate solar energy year-round, but there are better times of the year than others. The most electricity from solar panels can be expected during the summer months, where each kilowatt of installed solar could produce about 7.45 kilowatt-hours per day. This is followed by spring with 5.84 kilowatt-hours per day, then autumn with 3.23 kilowatt-hours per day and finally winter which only produces about 1.57 kilowatt-hours daily per each installed kilowatt.
So if you're planning on installing solar panels in Corvallis and want to get the most out of your investment, it would be best to do so before summer or spring when sunlight exposure is at its peak.
Additionally, for fixed panel installations at this location, tilting the panels at an angle of 37 degrees facing south will maximize total year-round production from your solar photovoltaic system.
However, there are some factors that might affect how much energy you can generate in Corvallis due to its local weather conditions and environment. For instance:
- Frequent cloud cover: The Pacific Northwest region including Oregon often experiences cloudy weather which could limit sun exposure for your panels.
- Rainfall: Oregon also has high rainfall throughout much of the year which may reduce sunshine hours.
- Tree Cover: If your property has a lot of trees around it blocking sunlight that may also impact energy generation.
To mitigate these issues and ensure greater energy production:
- Consider installing additional or more efficient panels to compensate for less sunny days.
- Regularly clean and maintain your panels especially after heavy rainfalls or snowfalls as debris can block sunlight.
- Trim any tree branches that might cast shadows over your panel installation area during peak sun hours.
Bear in mind though even with these challenges; using renewable sources like solar power still contributes positively towards environmental conservation efforts while potentially saving on your energy bills.
Note: The Northern Temperate Zone extends from 35° latitude North up to 66.5° latitude.
So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 4253 locations across the United States. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in the United States by location
Solar output per kW of installed solar PV by season in Corvallis
Seasonal solar PV output for Latitude: 44.5928, Longitude: -123.2746 (Corvallis, United States), based on our analysis of 8760 hourly intervals of solar and meteorological data (one whole year) retrieved for that set of coordinates/location from NASA POWER (The Prediction of Worldwide Energy Resources) API:
Ideally tilt fixed solar panels 37° South in Corvallis, United States
To maximize your solar PV system's energy output in Corvallis, United States (Lat/Long 44.5928, -123.2746) throughout the year, you should tilt your panels at an angle of 37° South for fixed panel installations.
As the Earth revolves around the Sun each year, the maximum angle of elevation of the Sun varies by +/- 23.45 degrees from its equinox elevation angle for a particular latitude. Finding the exact optimal angle to maximise solar PV production throughout the year can be challenging, but with careful consideration of historical solar energy and meteorological data for a certain location, it can be done precisely.
We use our own calculation, which incorporates NASA solar and meteorological data for the exact Lat/Long coordinates, to determine the ideal tilt angle of a solar panel that will yield maximum annual solar output. We calculate the optimal angle for each day of the year, taking into account its contribution to the yearly total PV potential at that specific location.
Seasonally adjusted solar panel tilt angles for Corvallis, United States
If you can adjust the tilt angle of your solar PV panels, please refer to the seasonal tilt angles below for optimal solar energy production in Corvallis, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 37° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 28° South in Summer | 47° South in Autumn | 59° South in Winter | 37° South in Spring |
Our recommendations take into account more than just latitude and Earth's position in its elliptical orbit around the Sun. We also incorporate historical solar and meteorological data from NASA's Prediction of Worldwide Energy Resources (POWER) API to assign a weight to each ideal angle for each day based on its historical contribution to overall solar PV potential during a specific season.
This approach allows us to provide much more accurate recommendations than relying solely on latitude, as it considers unique weather conditions in different locations sharing the same latitude worldwide.
Calculate solar panel row spacing in Corvallis, United States
We've added a feature to calculate minimum solar panel row spacing by location. Enter your panel size and orientation below to get the minimum spacing in Corvallis, United States.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - Minimum Spacing:
We add the shadow length to the horizontal space occupied by tilted panels.
This approach ensures maximum space efficiency while avoiding shading during critical times, as the Winter solstice represents the worst-case scenario for shadow length.
Topography for solar PV around Corvallis, United States
Corvallis is located in the Willamette Valley of Oregon, United States. The topography around Corvallis is characterized by flat and fertile plains of the valley surrounded by forested hills and mountains. The Coastal Range lies to the west while the Cascade Range lies to the east.
Given these geographical features, large-scale solar PV installations would be well suited for areas in or near Corvallis with relatively flat terrain for ease of installation and maintenance. However, it's important to note that while Oregon receives a good amount of sunlight during summer months, its overall solar potential may be lower than sunnier states due to frequent rain and overcast conditions, particularly in winter months.
In terms of specific locations nearby Corvallis that could potentially host large-scale solar PV projects:
1) Unused agricultural land: If there are any unused or less productive agricultural lands on the valley floor near Corvallis, they could potentially be converted into sites for solar farms.
2) Industrial zones: Industrial zones or brownfield sites with ample open space can also make suitable locations for large-scale solar installations.
3) Rooftops: Large buildings such as warehouses or factories often have extensive rooftop spaces which can be used for installing solar panels.
4) Landfills: Closed landfills can serve as excellent locations for setting up a photovoltaic park since they cannot be used for most other purposes due to environmental restrictions.
It's crucial though that any proposed site undergoes a thorough feasibility study including assessment of local climate data (sunlight hours), grid connectivity options, environmental impacts etc., before proceeding with development.
United States solar PV Stats as a country
United States ranks 2nd in the world for cumulative solar PV capacity, with 95,209 total MW's of solar PV installed. This means that 3.40% of United States's total energy as a country comes from solar PV (that's 26th in the world). Each year United States is generating 289 Watts from solar PV per capita (United States ranks 15th in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in United States?
Yes, there are several incentives for businesses wanting to install solar energy in the United States. These include federal tax credits, state and local rebates, net metering policies, and renewable energy certificates (RECs). Additionally, many states have enacted legislation that requires utilities to purchase a certain amount of electricity from renewable sources such as solar.
Do you have more up to date information than this on incentives towards solar PV projects in United States? Please reach out to us and help us keep this information current. Thanks!
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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 30th of May 2024
Last Updated: Monday 21st of July 2025
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Compare this location to others worldwide for solar PV potential
The solar PV analyses available on our website, including this one, are offered as a free service to the global community. Our aim is to provide education and aid informed decision-making regarding solar PV installations.
However, please note that these analyses are general guidance and may not meet specific project requirements. For in-depth, tailored forecasts and analysis crucial for feasibility studies or when pursuing maximum ROI from your solar projects, feel free to contact us; we offer comprehensive consulting services expressly for this purpose.
Helping you assess viability of solar PV for your site
Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide
Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.
