San Pedro Town, Belize District, Belize represents a good location for year-round solar energy generation, benefiting from its tropical climate where consistent sunlight is available throughout most of the year. The seasonal variations follow typical wet and dry patterns rather than the temperature-based seasons found in temperate regions.

Solar Energy Production Potential

The solar energy output data shows that this location can reliably generate electricity throughout all seasons. Spring and summer are the peak production periods, with solar panels producing 6.92kWh and 6.90kWh per day respectively for each kilowatt of installed capacity. Winter shows the lowest production at 5.09kWh per day per kilowatt, while autumn falls in between at 5.55kWh per day per kilowatt. For optimal year-round energy production, solar panels should be installed at a fixed tilt angle of 16 degrees facing south. This angle has been calculated to maximize total annual solar output by accounting for the sun's varying elevation throughout the year and weighting these angles based on actual solar irradiance data.

Environmental and Weather Challenges

Several significant factors in San Pedro Town can impact solar energy production and require careful consideration during installation:

• Hurricane and tropical storm activity: Belize lies within the Atlantic hurricane belt, with the hurricane season typically running from June through November
• High humidity and salt air exposure: The coastal marine environment creates corrosive conditions that can damage solar equipment over time
• Heavy rainfall during wet season: Intense tropical downpours can reduce solar production and potentially cause flooding
• High temperatures and UV exposure: Extreme tropical heat can reduce panel efficiency and accelerate equipment degradation

Preventative Installation Measures

To ensure maximum energy production despite these challenges, several protective measures should be implemented. Solar panels and mounting systems should be engineered to withstand hurricane-force winds, typically requiring reinforced mounting structures and potentially removable panel designs for extreme weather events. All electrical components should feature marine-grade corrosion resistance, including stainless steel hardware and weatherproof enclosures specifically designed for salt air environments. Regular cleaning and maintenance schedules become essential to remove salt buildup and debris. Proper drainage systems must be installed to prevent water accumulation around equipment during heavy rains. Additionally, selecting solar panels with high-temperature tolerances and ensuring adequate ventilation around panels will help maintain efficiency during intense heat periods. The timing of maintenance should align with seasonal patterns, with major inspections and cleaning scheduled before the peak production seasons of spring and summer to maximize energy generation during these optimal periods.

Note: The Tropics are located between 23.5° North and -23.5° South of the equator.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 9 locations across Belize. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Belize by location

Solar output per kW of installed solar PV by season in San Pedro Town

Seasonal solar PV output for Latitude: 17.9139, Longitude: -87.9629 (San Pedro Town, Belize), 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 16° South in San Pedro Town, Belize

To maximize your solar PV system's energy output in San Pedro Town, Belize (Lat/Long 17.9139, -87.9629) throughout the year, you should tilt your panels at an angle of 16° 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 San Pedro Town, Belize

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 San Pedro Town, Belize. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 16° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
2° South in Summer	23° South in Autumn	33° South in Winter	11° 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 San Pedro Town, Belize

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 San Pedro Town, Belize.

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 San Pedro Town, Belize

Topographical Features of San Pedro Town

San Pedro Town sits on Ambergris Caye, the largest island in Belize, positioned just off the mainland coast in the Caribbean Sea. The town occupies a relatively flat, low-lying coral island that rises only a few feet above sea level. This sandy caye stretches approximately 25 miles in length but remains quite narrow, with most areas measuring less than a mile across. The terrain consists primarily of sandy soils mixed with coral fragments, creating a stable but porous foundation. The island's topography is remarkably uniform, with gentle undulations rather than significant elevation changes. Mangrove swamps and lagoons punctuate the interior landscape, particularly on the western side facing the mainland. These wetland areas are interspersed with patches of higher, drier ground that support coconut palms and other tropical vegetation. The eastern coastline features beautiful sandy beaches backed by low dunes, while the western shore transitions into shallow waters and mangrove systems.

Mainland Topography and Surrounding Areas

The nearby Belizean mainland presents a more varied topographical profile. The coastal plain extends inland for several miles, characterized by flat to gently rolling terrain with elevations gradually increasing from sea level to approximately 200 feet. This coastal zone features a mix of savanna grasslands, pine forests, and agricultural areas. The soil composition varies from sandy coastal areas to more fertile inland regions suitable for farming and development. Moving further inland, the landscape begins to rise more dramatically toward the foothills of the Maya Mountains. However, the immediate coastal region remains relatively flat, making it accessible and developable. Rivers and creeks meander through this coastal plain, creating fertile valleys and occasional wetland areas. The Belize River system and its tributaries have carved gentle channels through the landscape over millennia.

Optimal Locations for Large-Scale Solar Development

The mainland coastal plain presents the most promising opportunities for large-scale solar photovoltaic installations in the San Pedro region. These areas offer several key advantages including extensive flat terrain that minimizes grading and construction costs, while providing optimal positioning for solar panel arrays. The savanna regions, in particular, feature minimal tree cover and relatively uniform topography that would require little site preparation. Agricultural areas that have been previously cleared also represent excellent candidates for solar development. These locations typically have existing road access and electrical infrastructure nearby, reducing overall project costs. The slightly elevated areas of the coastal plain, ranging from 50 to 150 feet above sea level, provide good drainage while remaining easily accessible for construction and maintenance activities. Areas with sandy or well-drained soils prove particularly suitable, as they provide stable foundations for mounting systems while avoiding the complications associated with wetland environments. The pine savanna regions scattered throughout the coastal plain offer ideal conditions, combining flat topography with cleared land and good soil drainage characteristics.

Topographical Constraints and Considerations

While Ambergris Caye itself offers limited opportunities for large-scale solar development due to its narrow width and environmental sensitivities, the mainland presents far better prospects. Wetland areas, including mangrove systems and seasonal flooding zones, should be avoided for solar installations due to environmental regulations and practical construction challenges. The gradual transition from coastal plain to foothills creates natural boundaries for development, with steeper slopes becoming less economically viable for large solar arrays. However, the extensive flat and gently rolling terrain of the coastal region provides ample suitable land for significant solar development projects. Transportation access via existing road networks and proximity to electrical transmission infrastructure make the mainland coastal areas particularly attractive for renewable energy development.

Citation Guide

Article Details for Citation

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.