Hollister, California, located in the Northern Temperate Zone, offers a generally favorable environment for solar PV energy generation throughout the year. The city's geographical position at latitude 36.8444 and longitude -121.367 provides ample sunlight exposure, making it a suitable location for solar installations.

Seasonal Solar Performance

Solar energy production in Hollister varies significantly across seasons. Summer stands out as the most productive period, with an impressive average daily output of 8.07 kWh per kW of installed solar capacity. Spring follows closely behind, generating 7.34 kWh/day. Autumn sees a moderate decrease in production at 5.00 kWh/day, while winter experiences the lowest output at 3.29 kWh/day.

The substantial difference between summer and winter production highlights the impact of seasonal variations on solar energy generation in this region. However, even during the less productive winter months, the system still produces a meaningful amount of energy.

Optimal Panel Installation

For fixed panel installations in Hollister, the ideal tilt angle to maximize year-round solar production is 32 degrees facing south. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for the Earth's elliptical orbit and the location's specific latitude.

Environmental and Weather Considerations

While Hollister generally provides favorable conditions for solar energy production, there are a few factors that could potentially impact system performance:

• Fog: Hollister occasionally experiences fog, especially during morning hours, which can temporarily reduce solar output.
• Dust and pollen: The agricultural activities in the surrounding areas may lead to increased dust and pollen in the air, which can accumulate on solar panels.

To mitigate these issues, regular panel cleaning and maintenance should be incorporated into the solar system management plan. Additionally, installing panels at the optimal angle helps maximize exposure to sunlight and can aid in natural cleaning during rainfall.

Overall, Hollister's climate and geographical location make it a prime candidate for solar PV installations, with the potential for high energy production throughout most of 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 Hollister

Seasonal solar PV output for Latitude: 36.8444, Longitude: -121.367 (Hollister, 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 32° South in Hollister, United States

To maximize your solar PV system's energy output in Hollister, United States (Lat/Long 36.8444, -121.367) 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.

Seasonally adjusted solar panel tilt angles for Hollister, 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 Hollister, 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
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 Hollister, 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 Hollister, 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 Hollister, United States

The topography around Hollister, California, is characterized by a diverse landscape that includes both flat valleys and rolling hills. The city itself sits in the San Juan Valley, a relatively flat area surrounded by more elevated terrain. To the west of Hollister, the Gabilan Range rises, featuring rugged hills and small mountains that create a picturesque backdrop for the region. To the east, the Diablo Range presents a similar hilly landscape, with peaks and valleys dotting the horizon. The San Benito River runs through the area, carving a path through the valley and creating fertile agricultural land. This river valley is flanked by gentle slopes that gradually rise into steeper hillsides. The combination of flat valley floors and surrounding elevations creates a bowl-like effect, with Hollister nestled in the center of this topographical depression.

Suitable Areas for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations would combine flat or gently sloping terrain with high sun exposure and minimal environmental impact. The flat agricultural lands in the San Juan Valley, particularly to the south and southeast of Hollister, present promising opportunities for solar PV development. These areas offer expansive, open spaces with little to no shading from natural features. The gentle slopes in these regions can actually be advantageous, as a slight tilt towards the south can optimize solar panel efficiency. Another potentially suitable area lies to the east of Hollister, where the terrain begins to rise into the foothills of the Diablo Range. While steeper slopes are generally less ideal for large-scale installations, the south-facing hillsides in this area could provide excellent sun exposure throughout the day. However, developers would need to carefully consider the environmental impact and potential for soil erosion in these more elevated locations. It's important to note that while the topography around Hollister offers several promising sites for solar PV development, other factors such as land ownership, proximity to power infrastructure, and local zoning regulations would also play crucial roles in determining the feasibility of large-scale solar projects in the region.

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

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.