Taft, California, located in the Northern Temperate Zone at coordinates 35.1496°N, -119.4618°W, presents a moderately good location for year-round solar energy generation, though with significant seasonal variations in output.
Seasonal Solar Performance
The solar energy production at this location shows typical patterns for its latitude, with summer delivering the highest output at 8.64 kWh per day per kW of installed solar capacity. Spring follows as the second-best season with 7.72 kWh per day per kW, making these the ideal times for solar generation at this site. Autumn production drops to 5.05 kWh per day per kW, while winter shows the lowest output at 3.38 kWh per day per kW. This seasonal variation means the location produces nearly three times more solar energy in summer compared to winter months. For maximum year-round energy production, solar panels should be installed at a fixed tilt angle of 30 degrees facing south. This optimal angle is calculated by analyzing daily solar elevation angles throughout the year, weighted by solar irradiance data to maximize total annual output.Environmental and Weather Challenges
Taft's location in California's Central Valley presents several environmental factors that can significantly impact solar energy production:- Dust and Particulate Matter: The area experiences frequent dust storms and airborne particles from agricultural activities and oil field operations, which can coat solar panels and reduce efficiency
- Extreme Heat: Summer temperatures often exceed 100°F, which can decrease solar panel efficiency as photovoltaic cells perform less effectively in extreme heat
- Fog and Haze: Seasonal fog from the marine layer and atmospheric haze can reduce solar irradiance reaching the panels
- Oil Field Emissions: Being in an active oil-producing region, airborne contaminants from petroleum operations can accumulate on panel surfaces
Preventative Measures for Optimal Performance
Several installation strategies can help maximize solar energy production despite these challenges. Regular cleaning schedules are essential, with panels requiring washing every 2-4 weeks during dusty periods to maintain optimal light transmission. Installing panels with adequate ventilation spacing underneath helps combat efficiency losses from extreme heat by allowing better air circulation for cooling. Choosing high-quality panels with better high-temperature performance coefficients also helps maintain output during hot summer months. Anti-soiling coatings can be applied to panel surfaces to reduce dust and contaminant adhesion, making cleaning more effective and extending the time between required maintenance. Additionally, installing monitoring systems helps identify when cleaning or maintenance is needed by tracking performance drops that indicate soiling or other issues. The seasonal production pattern makes Taft reasonably suitable for solar installations, particularly when combined with proper maintenance protocols to address the local environmental challenges.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 Taft
Seasonal solar PV output for Latitude: 35.1496, Longitude: -119.4618 (Taft, 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 30° South in Taft, United States
To maximize your solar PV system's energy output in Taft, United States (Lat/Long 35.1496, -119.4618) throughout the year, you should tilt your panels at an angle of 30° 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 Taft, 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 Taft, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 30° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 19° South in Summer | 39° South in Autumn | 49° South in Winter | 28° 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 Taft, 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 Taft, 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 Taft, United States
Topographical Features Around Taft
The area surrounding Taft, California sits within the southern San Joaquin Valley, positioned at the southwestern edge of this expansive agricultural basin. The terrain here is characterized by gently rolling hills and relatively flat valley floors, with elevations ranging from approximately 900 to 1,200 feet above sea level in the immediate vicinity. To the southwest, the landscape begins to rise more dramatically as it approaches the foothills of the Temblor Range, part of the larger Coast Range system. The topography is predominantly composed of sedimentary formations typical of California's Central Valley region. These geological features create a landscape of moderate undulations rather than steep mountainous terrain. The area experiences a semi-arid climate with hot, dry summers and mild winters, contributing to minimal vegetation cover across much of the terrain. Native grasslands and sparse shrubland dominate the natural landscape, with agricultural areas occupying the flatter portions of the valley floor.Drainage and Water Features
The region's drainage patterns flow generally northeastward toward the San Joaquin River system. Several seasonal creeks and washes traverse the area, though most remain dry for significant portions of the year due to the Mediterranean climate pattern. These waterways have carved gentle valleys and depressions into the landscape over time, creating subtle variations in elevation that add character to an otherwise relatively uniform terrain. The Buena Vista Lake bed, located to the northeast of Taft, represents one of the most significant topographical features in the broader region. This historic lake bed, now largely converted to agricultural use, demonstrates the flat, expansive nature of much of the surrounding valley floor.Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations would be found on the relatively flat to gently sloping terrain that extends northeast and east of Taft toward the main valley floor. These areas offer several advantages including minimal grading requirements, reduced installation complexity, and excellent solar exposure due to their open, unobstructed nature. The slightly elevated plateau areas to the north and northwest of the city present particularly attractive opportunities. These locations combine favorable topographical conditions with sufficient distance from residential areas while maintaining proximity to existing electrical infrastructure. The terrain in these zones typically features slopes of less than five percent, making them ideal for large solar arrays without requiring extensive site preparation. Areas closer to the Temblor Range foothills, while scenic, would be less suitable for major solar installations due to increased terrain complexity and potential shading issues from nearby ridgelines. The gentler rolling hills immediately surrounding Taft could accommodate solar development, though they might require more careful planning to optimize panel orientation and minimize grading costs. The expansive valley floor stretching toward the northeast offers perhaps the greatest potential for utility-scale solar development. This terrain combines optimal flatness with minimal environmental constraints, though developers would need to consider potential conflicts with existing agricultural operations and water rights in these areas.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!
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 28th of July 2025
Last Updated: Thursday 7th of August 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.
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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.




