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Flag of United StatesSolar PV Analysis of Soquel, United States

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Soquel, United States (by season)

Soquel, California, in the United States, offers a promising location for solar energy production throughout the year. Located in the Northern Temperate Zone, this coastal community experiences seasonal variations in solar output that are worth considering when planning a solar installation.

Seasonal Solar Output

Solar panels in Soquel generate varying amounts of electricity depending on the season. During summer, production peaks at an impressive 8.08 kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 7.31 kWh/day. Production decreases in autumn to 4.94 kWh/day, while winter sees the lowest output at 3.23 kWh/day per kilowatt installed.

This seasonal pattern means Soquel residents can expect excellent solar generation for about half the year (spring and summer), with more modest but still useful production during autumn and winter months. The significant difference between summer and winter production (about 2.5 times more energy in summer) is typical for locations in the Northern Temperate Zone.

Optimal Panel Installation

For fixed solar panel installations in Soquel, the ideal tilt angle to maximize year-round energy production is 32 degrees facing South. This angle has been carefully calculated to optimize annual solar capture based on Soquel's specific latitude and the seasonal path of the sun across the sky.

Environmental Considerations

Several environmental factors could potentially impact solar production in Soquel:

  • Coastal fog, particularly during summer mornings, can temporarily reduce solar output until it burns off
  • Wildfire smoke during California's fire season (typically late summer through fall) can significantly diminish solar radiation reaching panels
  • Tree coverage in this wooded area may create shading issues for some properties

To mitigate these challenges, solar installations in Soquel should include careful site assessment for potential shading issues. Placing panels higher on rooftops can sometimes help avoid morning fog impacts. Regular panel cleaning is also recommended, especially during wildfire season when ash deposits can accumulate on panel surfaces.

Despite these considerations, Soquel's overall solar potential remains excellent, with annual production significantly higher than many other parts of the United States. The strong spring and summer production can help offset the reduced winter output, making year-round solar generation viable for most residents.

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 Soquel

Seasonal solar PV output for Latitude: 36.988, Longitude: -121.9566 (Soquel, 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:

Summer
Average 8.08kWh/day in Summer.
Autumn
Average 4.94kWh/day in Autumn.
Winter
Average 3.23kWh/day in Winter.
Spring
Average 7.31kWh/day in Spring.

 

Ideally tilt fixed solar panels 32° South in Soquel, United States

To maximize your solar PV system's energy output in Soquel, United States (Lat/Long 36.988, -121.9566) throughout the year, you should tilt your panels at an angle of 32° 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.

The sun
At Latitude: 36.988, Longitude: -121.9566, the ideal angle to tilt panels is 32° South

Seasonally adjusted solar panel tilt angles for Soquel, 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 Soquel, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 32° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
21° South in Summer 41° South in Autumn 51° South in Winter 29° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Soquel, United States as follows: In Summer, set the angle of your panels to 21° facing South. In Autumn, tilt panels to 41° facing South for maximum generation. During Winter, adjust your solar panels to a 51° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 29° angle facing South to capture the most solar energy in Soquel, United States.

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 Soquel, 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 Soquel, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Soquel, United States

Soquel, situated in Santa Cruz County, California, exhibits a diverse and varied topography characteristic of California's Central Coast region. The area is nestled between the Pacific Ocean to the southwest and the Santa Cruz Mountains to the northeast, creating a dynamic landscape that transitions from coastal plains to rolling hills and steeper mountainous terrain. The immediate vicinity of Soquel features gently rolling hills that gradually rise eastward toward the Santa Cruz Mountains. These mountains, part of the larger Coast Ranges, create a natural backdrop for the community, with elevations increasing significantly as one moves inland. The terrain is dissected by several creeks and drainages, including Soquel Creek, which flows through the heart of the community before emptying into Monterey Bay.

Coastal Influence and Valley Features

The western portions of Soquel lie within what could be considered the coastal plain, with relatively flat to moderately sloping terrain. This area transitions into the broader Soquel Valley, which provides some level ground amidst the otherwise hilly landscape. The proximity to Monterey Bay influences both the climate and the topographical development of the region, with marine terraces evident in some coastal-facing areas. The terrain becomes increasingly complex and elevated moving eastward, with the foothills of the Santa Cruz Mountains presenting steeper slopes covered in mixed forest vegetation. These mountains reach heights exceeding 2,000 feet in the broader region, though the immediate Soquel area deals primarily with their western foothills.

Solar PV Suitability in the Region

For large-scale solar photovoltaic development, several nearby areas present favorable conditions based on topographical considerations. The most suitable locations would include: The relatively flat portions of the Soquel Valley and adjacent coastal plain areas offer the most immediate potential. These locations combine relatively level terrain (reducing installation costs) with good solar exposure. The gently sloping hillsides with southern exposure throughout the region present excellent opportunities for solar development, as they receive consistent sunlight throughout the day while requiring minimal grading. Some of the broader agricultural lands in nearby Watsonville and the Pajaro Valley, located to the southeast of Soquel, offer expansive flat terrain that would be well-suited for larger solar installations. These areas combine favorable topography with existing access to transportation and utility infrastructure. The marine terraces along the coastal regions, while limited in size, offer potential for smaller-scale solar development with excellent exposure, particularly where they feature south-facing aspects.

Topographical Challenges

It's worth noting that the region does present certain topographical limitations for large-scale solar development. The steeper slopes of the Santa Cruz Mountains to the east, while receiving good sunlight, would require significant and potentially environmentally damaging grading to accommodate large installations. Additionally, the numerous creek drainages and associated riparian corridors create natural breaks in the landscape that would need to be avoided in solar development planning. The varied elevation throughout the region also creates localized microclimates, with some areas experiencing more frequent coastal fog or mountain shadow effects. These factors, while not strictly topographical, interact with the landscape features to influence solar potential. The most promising approach would likely involve utilizing the moderately sloping areas with southern exposure that strike a balance between good solar incidence angles and reasonable development costs, particularly in the transitional zones between the valley floor and the steeper mountain slopes.

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

Article: Solar PV Analysis of Soquel, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 21st of May 2025
Last Updated: Friday 28th of November 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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