Solar PV Analysis of Montclair, United States
Montclair, California is a pretty good spot for solar energy production all year round. The amount of electricity that can be generated from solar panels changes with the seasons due to differences in sunlight intensity and duration. In summer, you can expect to produce about 8.37 kilowatt-hours (kWh) per day for each kilowatt (kW) of installed solar panels. This drops slightly in autumn to 5.54 kWh/day, then further in winter to 3.97 kWh/day before rising again in spring to 7.72 kWh/day.
This means that the most productive times for generating solar power here are during the summer and spring when there's more daylight and the sun is at a higher angle in the sky.
If you're installing fixed panel installations at this location, it's best to tilt your panels towards south at an angle of around 30 degrees; this will maximize their exposure to sunlight throughout the year and therefore enhance electricity production.
As for factors that might impede solar production, Montclair is located within an area known as "smog belt" due its proximity with Los Angeles which could potentially lower output levels by reducing sunlight intensity; however this effect would not be significant enough to deter installation given high annual average sunshine hours compared other areas globally.
Weather-wise, while Montclair does experience rainfall it’s not excessive enough throughout year-round period that would significantly affect overall yearly output from a PV system – especially considering high outputs during sunny periods offset any lower outputs during rainy days or weeks.
To mitigate potential issues like dust or bird droppings which could accumulate on panels over time blocking some sunlight thereby reducing efficiency; regular cleaning maintenance should be conducted ensuring maximum light absorption on panel surface thus maintaining optimal performance levels all-year round.
Note: The Northern Sub Tropics extend from 23.5° latitude North up to 35° 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 Montclair
Seasonal solar PV output for Latitude: 34.0718, Longitude: -117.6973 (Montclair, 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 Montclair, United States
To maximize your solar PV system's energy output in Montclair, United States (Lat/Long 34.0718, -117.6973) 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 Montclair, 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 Montclair, 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 |
|---|---|---|---|
| 18° South in Summer | 39° South in Autumn | 49° South in Winter | 27° 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 Montclair, 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 Montclair, 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 Montclair, United States
Montclair is located in the Pomona Valley, part of the Inland Empire region in California, United States. The topography around Montclair is relatively flat with some rolling hills. It's surrounded by mountains to the North and East: San Gabriel Mountains and San Bernardino Mountains respectively.
Given its Mediterranean climate with hot, dry summers and mild winters, as well as an average of 287 sunny days per year (higher than the US average), Montclair and surrounding areas are highly suitable for large-scale solar PV installations.
Flat or gently sloping lands would be ideal for such projects due to ease of installation and maintenance. Areas with less shadowing from buildings or vegetation will also be advantageous. Therefore, open fields or industrial zones could be considered for large-scale solar farms.
The nearby desert regions like Mojave Desert can also be potential locations considering their high solar irradiation levels but factors like environmental impact on these sensitive ecosystems should also be taken into account.
However, a detailed site-specific study including aspects like land availability & cost, grid connectivity possibilities etc., would still need to conducted before finalizing any location.
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 29th of June 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.
