Bang Chak, Samut Prakan, Thailand, located at latitude 13.6833 and longitude 100.5833, offers a promising environment for solar energy generation. Situated in the tropics, this location benefits from consistent sunlight throughout the year, with seasons characterized more by wet and dry periods rather than traditional temperature-based seasons.

Solar Energy Potential

The solar energy potential in Bang Chak is relatively stable across the year, with slight variations between seasons. Spring sees the highest output at 6.07 kWh per day for each kW of installed solar capacity. Summer and winter both yield 5.93 kWh/day, while autumn experiences a slight dip to 5.00 kWh/day. These figures indicate a strong and consistent solar resource throughout the year.

Optimal Panel Positioning

For fixed solar panel installations in Bang Chak, Samut Prakan, the ideal tilt angle to maximize year-round energy production is 13 degrees facing south. This angle takes into account the location's proximity to the equator and the sun's path throughout the year, ensuring optimal exposure to sunlight.

Environmental Considerations

While Bang Chak's tropical climate is generally favorable for solar energy production, there are some environmental factors to consider:

• Monsoon season: Heavy rainfall and cloud cover during the wet season (typically May to October) may temporarily reduce solar output.
• High humidity: The tropical climate's humidity can lead to increased dust accumulation on panels, potentially reducing efficiency.

Preventative Measures

To mitigate these environmental challenges and ensure optimal solar energy production, consider the following measures:

• Install a reliable cleaning system or schedule regular manual cleaning to combat dust accumulation.
• Use high-quality, weather-resistant solar panels designed for tropical climates.
• Implement a robust drainage system to prevent water accumulation during heavy rains.
• Consider slight adjustments to panel tilt during different seasons to maximize efficiency.

Overall, Bang Chak's location offers excellent potential for year-round solar energy generation, with only minor seasonal variations and manageable environmental challenges.

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

Link: Solar PV potential in Thailand by location

Solar output per kW of installed solar PV by season in Bang Chak

Seasonal solar PV output for Latitude: 13.6833, Longitude: 100.5833 (Bang Chak, Thailand), 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 13° South in Bang Chak, Thailand

To maximize your solar PV system's energy output in Bang Chak, Thailand (Lat/Long 13.6833, 100.5833) throughout the year, you should tilt your panels at an angle of 13° 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 Bang Chak, Thailand

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 Bang Chak, Thailand. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 13° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
3° North in Summer	20° South in Autumn	29° South in Winter	7° 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 Bang Chak, Thailand

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 Bang Chak, Thailand.

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 Bang Chak, Thailand

The topography around Bang Chak, Thailand, located at latitude 13.6833 and longitude 100.5833, is predominantly flat and low-lying. This area is part of the Chao Phraya River Delta, which is characterized by its expansive alluvial plains. The landscape is primarily urban and suburban, with a mix of residential, commercial, and industrial developments. Bang Chak itself is situated in the eastern part of Bangkok, the capital city of Thailand. The surrounding region is densely populated and heavily urbanized, with numerous buildings, roads, and infrastructure dominating the landscape. Despite the urban nature of the area, there are still some pockets of green spaces, including small parks and undeveloped lots scattered throughout the vicinity. The terrain in this part of Thailand is generally very flat, with little to no natural elevation changes. The average elevation in the Bang Chak area is only a few meters above sea level. This low-lying nature of the land makes it susceptible to flooding during heavy rains or when water levels in nearby waterways rise.

Potential Areas for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, it's important to look beyond the immediate urban surroundings of Bang Chak. The most suitable locations for such projects would likely be found in the less developed regions to the east and southeast of Bangkok. The provinces of Chachoengsao, Chonburi, and Rayong, which are part of Thailand's Eastern Economic Corridor, offer more open spaces and industrial zones that could potentially accommodate large-scale solar PV installations. These areas have a combination of factors that make them suitable: Firstly, they have larger tracts of available land that are not as densely populated as Bangkok. This provides the necessary space for extensive solar panel arrays without the constraints of urban development. Secondly, these provinces have a strong industrial presence, which means they have existing infrastructure and power grids that could potentially support the integration of large-scale solar energy production. Additionally, the climate in these eastern provinces is favorable for solar energy production. The region experiences high levels of solar radiation throughout the year, with relatively stable weather patterns that are conducive to consistent energy generation. It's worth noting that while these areas offer better potential for large-scale solar PV projects compared to the immediate vicinity of Bang Chak, any such developments would still need to consider factors such as land use regulations, environmental impact assessments, and the specific topographical features of chosen sites.

Thailand solar PV Stats as a country

Thailand ranks 26th in the world for cumulative solar PV capacity, with 3,049 total MW's of solar PV installed. This means that 2.90% of Thailand's total energy as a country comes from solar PV (that's 29th in the world). Each year Thailand is generating 44 Watts from solar PV per capita (Thailand ranks 54th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Thailand?

Yes, there are several incentives for businesses wanting to install solar energy in Thailand. The Thai government offers a number of tax incentives and subsidies for businesses that install solar energy systems. These include a 30% corporate income tax deduction on the cost of installing solar panels, as well as an exemption from import duties on certain components used in the installation process. Additionally, businesses can benefit from net metering policies which allow them to sell excess electricity generated by their solar system back to the grid at a premium rate. Finally, businesses may also be eligible for grants and other financial assistance from various government agencies and private organizations.

Do you have more up to date information than this on incentives towards solar PV projects in Thailand? 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.