Solar PV Analysis of Pleasant Hill, United States
Pleasant Hill, California is a pretty good place to generate energy using solar panels all year round. In simple terms, the amount of electricity that can be produced from solar power varies throughout the year. During the summer and spring seasons, more energy can be generated because the days are longer and sunnier. On average, in summer you could expect about 7.04 kilowatt-hours (kWh) per day for each kilowatt (kW) of solar panels installed, while in spring it's around 6.79 kWh/day per kW.
In autumn and winter when days are shorter and there's less sunshine, you would get less energy - approximately 4.36 kWh/day per kW in autumn and even lower at 3.06 kWh/day per kW during winter.
To get the most out of your solar panels throughout the year at this location, they should be tilted at an angle facing 33 degrees South; this maximises exposure to sunlight over different seasons.
As for local factors that might affect solar production in Pleasant Hill: it's generally a sunny region but occasional fog or cloud cover could reduce sunlight exposure temporarily; hilly terrain might cause shadows depending on where exactly your property is located; trees or other tall structures nearby might also block sunlight if they're directly between your panels and the sun.
If these issues are significant for your specific location: consider trimming or removing trees that cast shadows on your panels; if fog is frequent perhaps consider higher placement of panels (like on a rooftop); if hills cause shadowing then maybe explore options like pole mounting which allows more flexibility with panel positioning compared to fixed roof installation.
So overall: Pleasant Hill has good potential for generating consistent solar power across different times of year with careful planning around local environmental factors.
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 Pleasant Hill
Seasonal solar PV output for Latitude: 37.9577, Longitude: -122.0757 (Pleasant Hill, 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 33° South in Pleasant Hill, United States
To maximize your solar PV system's energy output in Pleasant Hill, United States (Lat/Long 37.9577, -122.0757) throughout the year, you should tilt your panels at an angle of 33° 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 Pleasant Hill, 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 Pleasant Hill, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 33° 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 | 43° 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 Pleasant Hill, 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 Pleasant Hill, 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 Pleasant Hill, United States
Pleasant Hill, located in Contra Costa County, California, is characterized by a mixed topography. The city itself is relatively flat with some minor hills and valleys. It is surrounded by more significant hilly terrain as it's not far from the Berkeley Hills to the west and Mount Diablo to the east.
For large-scale solar PV installations, areas with flat or gently sloping topography are generally preferred to minimize installation costs and maximize efficiency of the panels. Therefore, within Pleasant Hill itself or on flatter agricultural lands in its vicinity would be suitable for such projects.
However, solar PV installations also require ample sunlight exposure. Fortunately, Pleasant Hill has a Mediterranean climate with hot, dry summers which makes it an excellent location for solar energy production.
Before deciding on a specific site for large-scale solar PV project though, other factors like land use regulations (zoning), proximity to power grid infrastructure (for connectivity), potential environmental impacts (on local flora and fauna) should be taken into account as well.
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: Thursday 14th of March 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.
