Covina, California, located in the Northern Sub Tropics, offers a favorable environment for solar energy generation throughout the year. This location, with coordinates 34.0973, -117.907, experiences varying levels of solar productivity across different seasons.

Seasonal Solar Performance

Summer stands out as the peak season for solar energy production in Covina, with an impressive output of 8.37 kWh per day for each kilowatt of installed solar capacity. Spring follows closely behind, generating 7.72 kWh/day. Autumn sees a moderate decrease in production at 5.54 kWh/day, while winter experiences the lowest output at 3.97 kWh/day.

The substantial difference between summer and winter production highlights the impact of seasonal variations on solar energy generation in this area. However, even during the least productive season, Covina still maintains a respectable level of solar output.

Optimal Panel Installation

For those considering a fixed panel installation in Covina, the ideal tilt angle to maximize year-round solar production is 30 degrees facing South. This angle has been calculated to optimize energy capture across all seasons, taking into account the Earth's elliptical orbit and the location's specific latitude.

Environmental Considerations

While Covina generally provides excellent conditions for solar energy production, there are a few environmental factors to consider:

• Occasional smog and air pollution from the greater Los Angeles area may slightly reduce solar panel efficiency.
• Infrequent wildfires in the region can temporarily decrease solar output due to smoke and ash in the air.

To mitigate these issues, regular cleaning of solar panels is recommended to remove any accumulated dust or pollutants. Additionally, installing panels at a slight angle can help prevent dust buildup and improve self-cleaning during rainfall.

Overall, Covina's climate and geographical location make it an excellent choice for solar energy production, with high potential yields throughout most of the year. The mild winters and abundant sunshine create an ideal environment for consistent solar power generation, making it a worthwhile investment for residents and businesses alike.

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 Covina

Seasonal solar PV output for Latitude: 34.0973, Longitude: -117.907 (Covina, 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 Covina, United States

To maximize your solar PV system's energy output in Covina, United States (Lat/Long 34.0973, -117.907) 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 Covina, 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 Covina, 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 Covina, 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 Covina, 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 Covina, United States

Covina, located in Los Angeles County, California, is situated in a region with diverse topography. The city itself sits in the eastern San Gabriel Valley, which is characterized by a relatively flat landscape. However, the surrounding areas offer a more varied terrain. To the north of Covina, the San Gabriel Mountains rise dramatically, creating a striking backdrop for the city. These mountains feature steep slopes, deep canyons, and rugged peaks, with elevations reaching over 10,000 feet at their highest points. The foothills of these mountains gradually transition into the valley floor where Covina is located. To the south and east of Covina, the terrain becomes more gently rolling, with low hills and shallow valleys. This area, known as the Puente Hills, provides a softer contrast to the more imposing San Gabriel Mountains. The Puente Hills extend southeastward, creating a natural boundary between the San Gabriel Valley and the coastal plains to the south. West of Covina, the landscape remains predominantly flat as it stretches towards downtown Los Angeles. This area is heavily urbanized, with a mix of residential, commercial, and industrial development spread across the valley floor.

Solar PV Potential in the Region

When considering areas nearby that would be most suited to large-scale solar PV installations, several factors come into play. The ideal locations would have ample open space, relatively flat terrain, and minimal shading from nearby mountains or structures. The areas to the south and east of Covina, particularly in the vicinity of the Puente Hills, offer promising potential for solar PV development. These regions have gentler slopes and more open spaces compared to the urbanized valley floor or the steep mountain terrain to the north. The rolling hills provide opportunities for south-facing installations that can maximize sun exposure throughout the day. Additionally, some of the flatter areas in the eastern San Gabriel Valley, away from the densely populated urban centers, could be suitable for solar farms. These locations would benefit from the region's abundant sunshine and could potentially utilize land that is less suitable for other types of development. It's important to note that while the immediate surroundings of Covina may have limited space for large-scale solar installations due to urban development, expanding the search radius further east into San Bernardino County or south into Orange County could reveal more extensive areas of open land that would be well-suited for solar PV projects.

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!

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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.