Solar PV Analysis of Cotati, United States
Cotati, California, in the United States is a fairly good location for generating energy using solar photovoltaic (PV) panels. This means that you can use sunlight to create electricity at this location. However, the amount of electricity you can generate varies throughout the year.
In summer and spring, you can expect to generate quite a bit of power - about 8.35 kilowatt-hours (kWh) per day in summer and 7.42 kWh/day in spring for every kilowatt (kW) of solar panels installed. This is because these seasons have longer daylight hours and more direct sunlight.
In autumn, production drops to around 4.54 kWh/day per kW due to shorter days and less intense sunlight; while winter sees the lowest production with just about 2.91 kWh/day per kW because there are fewer daylight hours and often cloudier skies.
To get the most out of your solar PV system year-round at this location, it's best to tilt your panels at an angle of 32 degrees facing South. This will allow them to catch as much sunlight as possible over the course of a day throughout all seasons.
As far as environmental or weather factors that could affect solar production in Cotati go: It's generally sunny but there may be foggy conditions or cloudy days which could limit how much sun reaches your panels—especially during winter months when there’s often more cloud cover anyway.
One way to help mitigate these potential issues would be installing a tracking system that moves your solar panel so it always faces directly towards the sun; however this does add additional cost compared with fixed installations but may increase total energy output over time by ensuring maximum exposure even on less than ideal days.
Another strategy might be having some form of backup power supply like batteries or a generator for times when sunshine is limited or during peak usage periods where demand exceeds what your solar installation can provide alone.
Lastly, regular cleaning and maintenance of the solar panels can help ensure they are working efficiently. Dust, debris or bird droppings on the panels can block sunlight and reduce power production, so keeping them clean will help to maximize energy generation.
In summary, Cotati is a pretty good place for solar power but like anywhere it has its seasonal variations and occasional weather challenges which need to be taken into account when designing and installing your system.
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 Cotati
Seasonal solar PV output for Latitude: 38.3226, Longitude: -122.7 (Cotati, 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 Cotati, United States
To maximize your solar PV system's energy output in Cotati, United States (Lat/Long 38.3226, -122.7) 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 Cotati, 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 Cotati, 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 |
|---|---|---|---|
| 22° South in Summer | 42° South in Autumn | 52° South in Winter | 31° 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 Cotati, 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 Cotati, 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 Cotati, United States
Cotati is located in Sonoma County, California, United States. The topography of the area is mostly flat with some rolling hills. It lies within the wine country region and is surrounded by vineyards and farmland.
For large-scale solar PV installations, areas that receive a high amount of sunlight annually and have large open spaces are most suitable. Given Cotati's location in California, it receives plenty of sunshine throughout the year making it well-suited for solar power generation.
The surrounding farmlands could potentially be suited for such projects if they are not being actively used for agriculture or if dual-use (agrivoltaics) can be implemented. Additionally, any large commercial buildings or warehouses with expansive rooftops could also serve as potential sites for rooftop solar panels installations.
However, before proceeding with any such project a detailed site analysis considering factors like local zoning laws, environmental impact assessments etc., should be conducted to identify the best-suited locations around Cotati for setting up a large-scale solar PV system.
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: Friday 19th of April 2024
Last Updated: Monday 21st of July 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.
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.
