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Flag of United StatesSolar PV Analysis of Coronado, United States

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Coronado, United States (by season)

Coronado, California is an excellent location for year-round solar energy generation. This Northern Sub Tropical location at coordinates 32.6799, -117.1709 receives abundant sunshine throughout most of the year, making it highly suitable for solar photovoltaic installations.

Seasonal Solar Performance

The solar energy production at Coronado varies significantly by season, with summer and spring being the most productive periods:
  • Summer: 6.65 kWh per day per kW installed (peak production season)
  • Spring: 6.50 kWh per day per kW installed (excellent production)
  • Autumn: 4.88 kWh per day per kW installed (good production)
  • Winter: 3.72 kWh per day per kW installed (lowest but still reasonable)
The data shows that summer is the ideal time for solar generation, producing nearly 80% more energy than winter months. Spring performs almost as well as summer, making the warm months from March through September particularly productive for solar energy systems.

Optimal Panel Configuration

For maximum year-round energy production at this Coronado location, solar panels should be installed at a fixed tilt angle of 29 degrees facing south. This angle has been calculated to optimize total annual solar output by accounting for the sun's changing position throughout the year and Earth's elliptical orbit around the sun.

Local Factors Affecting Solar Production

Despite Coronado's generally favorable solar conditions, several local environmental factors can impact solar panel performance and should be considered during installation. **Marine Layer and Coastal Fog** pose the most significant challenge to solar production in Coronado. The location's proximity to the Pacific Ocean means that marine layer conditions frequently occur, especially during late spring and early summer mornings. This low-hanging cloud cover can reduce solar output during peak morning hours until it burns off, typically by late morning or early afternoon. **Salt Air Corrosion** is another important consideration due to Coronado's coastal location. The salty ocean air can accelerate corrosion of metal components in solar installations, potentially reducing system lifespan and efficiency over time. **Sand and Dust Accumulation** can also affect performance, as coastal winds may deposit sand particles and other debris on panel surfaces, reducing their ability to capture sunlight effectively.

Preventative Measures for Optimal Performance

Several installation strategies can help maximize solar energy production despite these local challenges:
  • Install panels with anti-corrosive coatings and use marine-grade mounting hardware to resist salt air damage
  • Design systems with adequate spacing between panels to promote air circulation and reduce moisture buildup
  • Choose panels with hydrophobic coatings that help water and debris slide off more easily
  • Plan for regular cleaning schedules to remove salt deposits and sand accumulation
  • Consider micro-inverters or power optimizers to minimize production losses when individual panels are partially shaded by fog
Overall, Coronado remains a very good location for solar energy generation throughout the year, with proper installation techniques and maintenance helping to overcome the modest challenges posed by its coastal environment.

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 Coronado

Seasonal solar PV output for Latitude: 32.6799, Longitude: -117.1709 (Coronado, 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:

Summer
Average 6.65kWh/day in Summer.
Autumn
Average 4.88kWh/day in Autumn.
Winter
Average 3.72kWh/day in Winter.
Spring
Average 6.50kWh/day in Spring.

 

Ideally tilt fixed solar panels 29° South in Coronado, United States

To maximize your solar PV system's energy output in Coronado, United States (Lat/Long 32.6799, -117.1709) throughout the year, you should tilt your panels at an angle of 29° 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.

The sun
At Latitude: 32.6799, Longitude: -117.1709, the ideal angle to tilt panels is 29° South

Seasonally adjusted solar panel tilt angles for Coronado, 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 Coronado, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 29° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
17° South in Summer 37° South in Autumn 47° South in Winter 26° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Coronado, United States as follows: In Summer, set the angle of your panels to 17° facing South. In Autumn, tilt panels to 37° facing South for maximum generation. During Winter, adjust your solar panels to a 47° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 26° angle facing South to capture the most solar energy in Coronado, United States.

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 Coronado, 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 Coronado, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Coronado, United States

Topographical Features Around Coronado

Coronado sits on a narrow peninsula extending into San Diego Bay, characterized by remarkably flat terrain with minimal elevation changes throughout the area. The community occupies what is essentially a large sandbar that has been built up over time, creating a low-lying coastal environment that rarely exceeds 30 feet above sea level. This flat topography extends across the entire peninsula, from the historic Hotel del Coronado on the ocean side to the bay-facing residential neighborhoods.

The surrounding landscape features gentle, rolling hills to the east across San Diego Bay, where the mainland rises gradually from the waterfront. These hills become more pronounced as they extend inland, creating a series of mesas and canyons typical of Southern California's coastal geography. The terrain remains relatively modest in elevation, with most areas staying below 500 feet, making the region generally accessible and developable.

To the north and south of Coronado, the coastline continues with similar flat characteristics, interrupted occasionally by small bluffs and coastal mesas. The area benefits from consistent ocean breezes that help moderate temperatures, while the inland regions experience more typical Mediterranean climate conditions with greater temperature variations.

Optimal Areas for Large-Scale Solar Development

The flat terrain of Coronado itself presents excellent conditions for solar installations, though the high property values and dense residential development make large-scale projects economically challenging on the peninsula. The most promising locations for substantial solar photovoltaic installations lie in the inland areas east of San Diego Bay, where land costs are more reasonable and large parcels remain available for development.

The mesa tops and gentle slopes found 10-20 miles inland from Coronado offer ideal conditions for solar farms. These elevated areas provide excellent southern exposure while remaining accessible for construction and maintenance activities. The relatively stable geology of these mesas, combined with their distance from dense urban development, makes them particularly attractive for utility-scale solar projects.

Areas to the southeast, including parts of Chula Vista and the unincorporated regions of San Diego County, present additional opportunities. These locations benefit from the same favorable climate conditions as Coronado while offering larger available land parcels at more competitive prices. The existing electrical grid infrastructure in these areas can often accommodate large-scale solar installations with minimal upgrades.

The agricultural areas further inland also show strong potential, particularly where farming operations might benefit from agrivoltaic installations that combine solar generation with continued agricultural use. These areas typically have good road access and existing electrical infrastructure while maintaining the flat to gently rolling topography that optimizes solar panel positioning and reduces installation costs.

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

Article: Solar PV Analysis of Coronado, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 22nd of July 2025
Last Updated: Thursday 7th of August 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.

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