Bridgetown, Saint Michael, Barbados is a pretty good location for generating solar energy all year round. This is due to its tropical climate where sunlight is consistent throughout most of the year. The daily electricity output per kilowatt (kW) of installed solar varies slightly across seasons but remains relatively high: 6.59 kWh/day in Summer, 6.46 kWh/day in Autumn, 5.96 kWh/day in Winter and 6.94 kWh/day in Spring.

The best time to generate solar at this location would be during Spring when the daily output reaches its peak at almost 7kWh per day for each kW of installed solar power. However, even during winter which has the lowest output, it's still producing a substantial amount of energy.

For fixed panel installations at this location, tilting panels towards an angle of about 12 degrees South would maximize total yearly production from the solar photovoltaic system because it would align with the sun's path across the sky as closely as possible.

However, there are also some factors that could potentially hinder optimal production of solar energy here - mainly weather-related conditions like hurricanes or tropical storms which can cause damage to equipment or create extended periods of cloud cover that reduce sunlight exposure on panels; and dust or dirt accumulation on panels which can lower their efficiency over time if not cleaned regularly.

Preventative measures against these issues include using sturdy mounting systems and protective barriers to shield against storm damage; regular maintenance checks especially after severe weather events; installing automated cleaning systems or scheduling routine manual cleanings for dust/dirt removal; and considering hybrid systems that combine other renewable sources like wind power so there’s backup when sunshine isn’t optimal.

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 3 locations across Barbados. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Barbados by location

Solar output per kW of installed solar PV by season in Bridgetown

Seasonal solar PV output for Latitude: 13.0961, Longitude: -59.616 (Bridgetown, Barbados), 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:

Average 6.59kWh/day in Summer.

Average 6.46kWh/day in Autumn.

Average 5.96kWh/day in Winter.

Average 6.94kWh/day in Spring.

Ideally tilt fixed solar panels 12° South in Bridgetown, Barbados

To maximize your solar PV system's energy output in Bridgetown, Barbados (Lat/Long 13.0961, -59.616) throughout the year, you should tilt your panels at an angle of 12° 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.

At Latitude: 13.0961, Longitude: -59.616, the ideal angle to tilt panels is 12° South

Seasonally adjusted solar panel tilt angles for Bridgetown, Barbados

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 Bridgetown, Barbados. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 12° South tilt angle throughout the year.

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 Bridgetown, Barbados

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 Bridgetown, Barbados.

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 Bridgetown, Barbados

Bridgetown, the capital city of Barbados, is located in the southwestern coast of the island. The topography around Bridgetown is fairly flat with slight undulations, as it's situated on a coastal plain. This area has an average elevation of about 1-3 meters above sea level.

The climate is tropical maritime with little seasonal temperature variation. It receives ample sunlight throughout the year which makes it suitable for solar PV installations.

For large-scale solar PV projects, areas that are most suited would be open and flat lands with minimal shading from vegetation or buildings. Given this, locations such as agricultural lands or other undeveloped areas could be suitable for such projects.

In terms of specific regions near Bridgetown:

1) Christ Church: Located south-east to Bridgetown, this parish has a relatively flat terrain and hosts Grantley Adams International Airport which already has some solar installations.

2) Saint Michael: This parish surrounds Bridgetown and also exhibits similar topographical features conducive to large-scale solar PV systems.

3) Saint James: Located north-west to Bridgetown, this region also possesses potential sites for installation due to its relatively flat landscape.

However, any plans for large-scale solar PV must consider local regulations and environmental impact assessments before proceeding.

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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.

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