Solar PV Analysis of Tehachapi, United States
Tehachapi, California, located in the Northern Temperate Zone, offers a promising location for solar PV energy generation throughout the year. With its geographical coordinates at 35.1344° N latitude and 118.448° W longitude, this area experiences varying levels of solar potential across different seasons.
Seasonal Solar Performance
The solar energy output in Tehachapi demonstrates significant fluctuations across the seasons. Summer proves to be the most productive period, with an impressive 8.50 kWh per day for each kilowatt of installed solar capacity. Spring follows closely behind, generating 7.69 kWh/day/kW. Autumn sees a moderate decline to 5.26 kWh/day/kW, while winter experiences the lowest output at 3.52 kWh/day/kW.
Optimal Solar Generation Periods
The most ideal times for solar energy production in Tehachapi are during the summer months, typically from June through August, when daylight hours are longest and solar irradiance is at its peak. Spring, particularly from April to May, also offers excellent solar potential. While autumn and winter see reduced output, the area still maintains a respectable level of solar generation year-round.
Panel Installation Considerations
For fixed panel installations in Tehachapi, the optimal tilt angle to maximize year-round solar production is 30 degrees facing south. This angle has been calculated to account for the Earth's elliptical orbit and the location's specific latitude, ensuring the best possible exposure to sunlight throughout the year.
Environmental and Weather Factors
While Tehachapi generally provides favorable conditions for solar energy production, there are a few environmental factors to consider:
- Wind: Tehachapi is known for its strong winds, which can potentially affect solar panel stability. To mitigate this, robust mounting systems and wind-resistant panel designs should be employed.
- Dust and debris: The area's arid climate can lead to dust accumulation on panels. Regular cleaning and maintenance schedules should be implemented to ensure optimal performance.
Despite these minor challenges, Tehachapi's abundant sunshine and relatively mild climate make it an excellent location for solar PV installations. With proper planning and maintenance, solar energy systems in this area can provide substantial and reliable power generation throughout the year.
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 Tehachapi
Seasonal solar PV output for Latitude: 35.1344, Longitude: -118.448 (Tehachapi, 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 Tehachapi, United States
To maximize your solar PV system's energy output in Tehachapi, United States (Lat/Long 35.1344, -118.448) 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 Tehachapi, 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 Tehachapi, 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 | 40° South in Autumn | 50° 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 Tehachapi, 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 Tehachapi, 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 Tehachapi, United States
The topography around Tehachapi, California, is characterized by a diverse and rugged landscape. Situated in the southern Sierra Nevada mountain range, Tehachapi is nestled in a high valley between the Tehachapi Mountains to the southeast and the San Joaquin Valley to the northwest. The area is known for its unique blend of mountainous terrain, rolling hills, and open valleys.
The city of Tehachapi itself sits at an elevation of around 4,000 feet (1,220 meters) above sea level. The surrounding mountains rise to heights of over 7,000 feet (2,130 meters), creating a dramatic backdrop to the region. The Tehachapi Pass, a natural gap in the mountains, has historically been an important transportation corridor and is now home to one of the largest wind farms in California.
The landscape in this area is a mix of grasslands, oak woodlands, and coniferous forests at higher elevations. The terrain is generally hilly and undulating, with some steeper slopes in the mountainous areas. Several small streams and creeks flow through the region, contributing to its varied topography.
Regarding areas nearby that would be most suited to large-scale solar PV (photovoltaic) installations, the Antelope Valley to the south of Tehachapi presents excellent opportunities. This area, which includes parts of Kern and Los Angeles counties, offers several advantages for solar energy development:
- Flat terrain: The valley floor provides large expanses of relatively flat land, which is ideal for the installation of solar panels.
- High solar insolation: The region receives abundant sunshine throughout the year, making it highly suitable for solar energy production.
- Low population density: There are vast open spaces with minimal human habitation, reducing potential conflicts with residential or agricultural land use.
- Proximity to infrastructure: The area is close to existing power transmission lines and transportation networks, facilitating the distribution of generated electricity.
Additionally, some of the gentler slopes and plateaus in the immediate vicinity of Tehachapi could also be suitable for smaller-scale solar installations. However, care must be taken to avoid areas with significant ecological value or those prone to landslides or other geological hazards.
It's worth noting that while the mountainous areas around Tehachapi are excellent for wind energy, as evidenced by the existing wind farms, they are generally less suitable for large-scale solar PV due to their uneven terrain and potential shading issues. The ideal locations for solar farms are typically found in the flatter, more open areas to the south and east of the city.
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: Saturday 7th of September 2024
Last Updated: Monday 21st of July 2025
Tell Us About Your Work
We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.
Feeling generous?
Share this with your friends!
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.
