Sheridan, Oregon presents a mixed picture for year-round solar energy generation, with significant seasonal variations that reflect the challenges of solar power in the Pacific Northwest region.

Seasonal Solar Performance

The solar energy output at this location varies dramatically throughout the year. Summer months deliver the strongest performance at 7.13 kWh per day per kW of installed capacity, making this the prime solar generation season. Spring follows as the second-best period with 5.47 kWh per day per kW, offering good solar potential as daylight hours increase and weather improves. Autumn sees a notable decline to 2.93 kWh per day per kW as the region enters its cloudier, rainier season. Winter presents the most challenging conditions with only 1.38 kWh per day per kW, representing less than 20% of summer production levels.

Optimal Panel Configuration

For maximum year-round energy production at Sheridan, Oregon, solar panels should be installed at a fixed tilt angle of 37 degrees facing south. This angle has been calculated to optimize total annual solar output by accounting for the sun's varying position throughout the year and weighting for actual solar irradiance data at this latitude.

Local Factors Affecting Solar Production

Several environmental and weather factors in the Sheridan area can significantly impact solar energy generation:

• Persistent cloud cover and rain: Oregon's maritime climate brings extended periods of overcast skies, particularly from October through March
• Morning fog: The Willamette Valley frequently experiences dense fog that can linger well into the day
• Moss and algae growth: The region's high humidity promotes biological growth on panel surfaces
• Frequent precipitation: While rain can help clean panels, it also means reduced solar irradiance

Preventative Measures for Better Performance

Several installation strategies can help maximize solar production despite these challenges:

• Regular cleaning schedule: Establish quarterly panel cleaning to remove moss, algae, and debris buildup
• Proper panel spacing: Allow adequate spacing between panel rows to minimize shading when fog sits low
• Quality mounting systems: Use corrosion-resistant mounting hardware designed for high-moisture environments
• Strategic positioning: Avoid installation areas prone to heavy tree shading or where fog tends to linger longest
• Microinverters or power optimizers: Consider these technologies to minimize the impact when individual panels are partially shaded or dirty

Overall Assessment

Sheridan, Oregon is not ideal for year-round solar generation due to the dramatic seasonal variation and challenging winter conditions. However, the location can be quite productive during spring and summer months. Property owners should plan for significantly reduced winter output and may want to consider battery storage or grid-tie systems to balance seasonal variations. The investment in solar can still be worthwhile, but expectations should be set appropriately for the regional climate patterns.

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 Sheridan, Oregon

Seasonal solar PV output for Latitude: 45.0993, Longitude: -123.3948 (Sheridan, Oregon, 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 Sheridan, Oregon, United States

To maximize your solar PV system's energy output in Sheridan, Oregon, United States (Lat/Long 45.0993, -123.3948) 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 Sheridan, Oregon, 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 Sheridan, Oregon, 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	48° 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 Sheridan, Oregon, 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 Sheridan, Oregon, United States.

Our calculation method

1. Solar Position:
   We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
2. Shadow Projection:
   We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
3. 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 Sheridan, Oregon, United States

Topography Around Sheridan

Sheridan sits in the heart of Oregon's Willamette Valley, positioned between the Coast Range to the west and the Cascade Mountains to the east. The immediate area around Sheridan features gently rolling hills and relatively flat agricultural land, typical of the valley floor terrain. The elevation in and around Sheridan ranges from approximately 200 to 400 feet above sea level, creating a landscape of modest undulations rather than dramatic elevation changes.

The topography is characterized by fertile valley bottomland interspersed with low hills and ridges. These hills generally run in a north-south direction, following the overall grain of the Willamette Valley. The terrain becomes more pronounced as distance increases from the town center, with steeper slopes appearing toward the foothills of the Coast Range to the west and southwest.

Agricultural fields dominate much of the surrounding landscape, with many areas featuring large, relatively flat parcels that were historically forested but have been cleared for farming. The soil composition consists primarily of sedimentary deposits and alluvium, creating the rich agricultural lands for which the Willamette Valley is known.

Optimal Areas for Large-Scale Solar Development

The best locations for large-scale solar photovoltaic installations around Sheridan would be the expansive flat to gently sloping agricultural areas south and southeast of the town. These areas offer several advantages including minimal grading requirements, excellent accessibility via existing farm roads, and proximity to electrical infrastructure. The relatively open terrain in these directions provides fewer obstructions from trees or significant topographical features.

Areas with gentle south-facing slopes would be particularly well-suited, as they naturally optimize panel orientation while maintaining manageable construction conditions. The agricultural fields extending toward the communities of Amity and McMinnville present some of the most promising terrain, featuring large contiguous parcels with minimal slope variation.

The flatter portions of the valley floor immediately surrounding Sheridan also present excellent opportunities, though consideration would need to be given to prime agricultural land preservation. These areas benefit from easy access to transportation networks and existing utility infrastructure, which are crucial factors for large-scale solar development.

Areas to the west and northwest should generally be avoided due to increasing elevation changes and proximity to forested foothills. The terrain in these directions becomes more challenging for construction and maintenance, while also potentially facing shading issues from the higher elevations of the Coast Range.

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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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.