Reedley, California presents a highly favorable location for year-round solar energy generation, though with significant seasonal variations that are typical for its Northern Temperate Zone positioning.

Seasonal Solar Performance

The solar energy output at this location shows excellent summer performance at 8.55 kWh per day per installed kW, making the summer months the peak generation period. Spring follows as the second-best season with 7.61 kWh per day per kW, offering nearly as strong performance as summer. Autumn production drops to 4.80 kWh per day per kW, which is still reasonable for maintaining energy generation during the transitional season. Winter presents the lowest output at 3.09 kWh per day per kW, though this remains viable for continued solar electricity production throughout the year. For optimal performance, solar panels should be installed at a fixed tilt angle of 31 degrees facing south. This angle maximizes total year-round energy production by accounting for the sun's varying elevation throughout the seasons and weighting the positioning based on actual solar irradiance data.

Local Factors Affecting Solar Production

Several environmental factors in the Reedley area can significantly impact solar panel performance:

• Agricultural dust and particulates from surrounding farming operations
• Seasonal wildfire smoke that can reduce solar irradiance
• Tule fog during winter months, particularly common in the Central Valley
• Pollen accumulation during spring growing seasons

Preventative Measures for Optimal Performance

To maintain maximum energy production despite these challenges, several installation and maintenance strategies prove effective. Regular cleaning schedules become essential, with more frequent cleaning during harvest seasons when dust levels peak. Installing panels with anti-soiling coatings can help reduce particle adhesion. Proper panel spacing and mounting systems that allow adequate airflow help prevent overheating during hot summer months. Monitoring systems enable quick identification of performance drops due to soiling or weather impacts. During wildfire season, having backup cleaning capabilities ensures panels can be restored to full efficiency quickly once air quality improves. Strategic landscaping around solar installations can help minimize local dust while avoiding shading issues.

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 Reedley

Seasonal solar PV output for Latitude: 36.6018, Longitude: -119.4391 (Reedley, 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 31° South in Reedley, United States

To maximize your solar PV system's energy output in Reedley, United States (Lat/Long 36.6018, -119.4391) throughout the year, you should tilt your panels at an angle of 31° 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 Reedley, 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 Reedley, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 31° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
20° South in Summer	41° South in Autumn	51° South in Winter	29° 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 Reedley, 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 Reedley, 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 Reedley, United States

Topography Around Reedley

Reedley sits in the heart of California's San Joaquin Valley, one of the most expansive and flat agricultural regions in the United States. The city is positioned at an elevation of approximately 348 feet above sea level, surrounded by remarkably level terrain that stretches for miles in all directions. This flat topography is characteristic of the valley floor, which was formed by centuries of sediment deposits from the Sierra Nevada mountains to the east and the Coast Range to the west.

The immediate landscape around Reedley consists of gently undulating farmland with minimal elevation changes. The terrain slopes very gradually from east to west, following the natural drainage patterns toward the San Joaquin River system. Orange groves, vineyards, and other agricultural crops dominate the visual landscape, creating a patchwork of cultivated fields that extend to the horizon in most directions.

To the east of Reedley, the terrain begins a gradual rise toward the foothills of the Sierra Nevada mountains, though this elevation change occurs over many miles. The western areas maintain the characteristic valley floor flatness, with occasional slight depressions and gentle rises that are barely perceptible to the casual observer. Small irrigation canals and drainage ditches crisscross the landscape, but these create only minor topographical variations.

Optimal Areas for Large-Scale Solar Development

The extensive flat terrain surrounding Reedley presents exceptional opportunities for large-scale solar photovoltaic installations. The areas immediately west and southwest of the city offer some of the most suitable conditions, where the land remains consistently level for miles and agricultural use is less intensive than in the prime citrus-growing regions closer to town.

The northwestern sections, extending toward the communities of Parlier and Selma, provide vast expanses of relatively flat land that could accommodate substantial solar arrays. These areas benefit from minimal shading concerns due to the absence of significant topographical features, hills, or large structures that might interfere with solar panel efficiency throughout the day.

South and southeast of Reedley, the terrain continues to offer excellent solar development potential. The land in these directions maintains the valley's characteristic flatness while being positioned away from the more densely developed agricultural areas. The consistent elevation and lack of significant obstacles make these locations particularly attractive for utility-scale solar projects that require large, uninterrupted parcels of land.

The eastern areas, while still relatively flat, begin to show more variation as they approach the Sierra Nevada foothills. However, the immediate eastern vicinity of Reedley remains suitable for solar development, though developers might need to account for slightly more complex grading requirements compared to the western locations.

Overall, the San Joaquin Valley's topography around Reedley creates nearly ideal conditions for solar energy development, with minimal grading requirements, excellent accessibility, and vast open spaces that can accommodate large-scale installations with optimal southern exposure and minimal shading concerns.

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.