The location of Warin, Ubon Ratchathani, Thailand, situated in the tropics, presents a favorable environment for solar PV energy generation throughout the year. With its consistent sunlight and seasonal patterns characterized by wet and dry periods, this area offers promising potential for solar power production.

Seasonal Solar Output

Solar panel performance in Warin varies slightly across the meteorological seasons. Spring yields the highest output at 6.08 kWh per day for each kilowatt of installed capacity. Winter follows closely with 5.87 kWh/day, while summer produces 5.75 kWh/day. Autumn sees a slight dip to 4.89 kWh/day, but still maintains a respectable output. These figures indicate that Warin experiences relatively stable solar energy production throughout the year, with only minor fluctuations between seasons. This consistency is a significant advantage for solar PV installations in the area, as it ensures a reliable energy supply across all months.

Optimal Panel Tilt

For fixed solar panel installations in Warin, Ubon Ratchathani, the ideal tilt angle to maximize year-round energy production is 15 degrees facing South. This angle has been calculated taking into account the location's latitude, the Earth's elliptical orbit, and daily solar elevation angles, weighted by the area's solar irradiance potential.

Environmental Considerations

While Warin's tropical climate is generally conducive to solar energy production, there are some environmental factors to consider: 1. Rainfall: The region experiences a monsoon season, which could temporarily reduce solar output due to cloud cover. 2. Humidity: High humidity levels may lead to condensation on panels, potentially affecting efficiency. To mitigate these issues, installers should consider using anti-reflective coatings on panels to improve performance in humid conditions. Additionally, ensuring proper drainage and regular cleaning can help maintain optimal panel efficiency during the rainy season. In conclusion, Warin, Ubon Ratchathani, Thailand offers an ideal location for year-round solar PV energy generation. With its consistent sunlight and relatively stable seasonal output, the area presents excellent opportunities for solar power installations. By implementing appropriate preventative measures and optimizing panel tilt, solar energy systems in this location can achieve high levels of efficiency and reliability throughout the year.

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 Warin

Seasonal solar PV output for Latitude: 15.6451, Longitude: 105.2233 (Warin, 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 15° South in Warin, Thailand

To maximize your solar PV system's energy output in Warin, Thailand (Lat/Long 15.6451, 105.2233) throughout the year, you should tilt your panels at an angle of 15° 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 Warin, 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 Warin, Thailand. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 15° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
0° in Summer	22° South in Autumn	31° South in Winter	9° 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 Warin, 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 Warin, 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 Warin, Thailand

The topography around Warin, Thailand, located at approximately 15.6451 degrees north latitude and 105.2233 degrees east longitude, is characterized by a mix of gently rolling hills and flat plains. This area is part of the Khorat Plateau, a large, elevated region in northeastern Thailand. The landscape is predominantly rural, with scattered agricultural fields, patches of forest, and small settlements dotting the terrain. The elevation in this region is generally low, ranging from about 100 to 200 meters above sea level. The area experiences a tropical savanna climate, with distinct wet and dry seasons. This climate, combined with the relatively flat terrain, has shaped the land into a mosaic of rice paddies, cassava fields, and other agricultural plots interspersed with areas of natural vegetation.

Suitability for Large-Scale Solar PV

When considering areas nearby that would be most suited for large-scale solar photovoltaic (PV) installations, several factors come into play. The flat or gently sloping terrain found in many parts of the region surrounding Warin is ideal for solar farms, as it minimizes the need for extensive land preparation and allows for efficient arrangement of solar panels. Areas to the east and northeast of Warin, where the landscape tends to be flatter and more open, would likely be well-suited for solar PV projects. These areas often have fewer trees and less intensive agriculture, providing ample space for solar installations without significant land-use conflicts. The abundance of sunlight in this tropical region is another favorable factor for solar energy production. However, it's important to note that the wet season, typically from May to October, may impact solar efficiency due to increased cloud cover. When selecting specific sites for solar PV installations, developers would need to consider factors such as proximity to existing power infrastructure, road access for construction and maintenance, and the avoidance of ecologically sensitive areas or prime agricultural land. Additionally, areas with good drainage would be preferable to minimize the risk of flooding during the rainy season. Overall, the topography and climate around Warin offer promising conditions for large-scale solar PV development, particularly in the flatter, less densely populated areas to the east and northeast of the town. However, detailed site-specific assessments would be necessary to determine the most optimal locations for such projects.

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.