Yasothon, Thailand, located at 15.7924° N, 104.1568° E, presents a favorable environment for solar energy generation throughout the year. This tropical location benefits from consistent sunlight, with seasonal variations primarily characterized by wet and dry periods rather than significant temperature fluctuations.

Solar Energy Potential

The solar energy output at this location demonstrates impressive consistency across all seasons. Summer yields the highest production at 6.09 kWh per day for each kilowatt of installed solar capacity. Spring follows closely with 6.04 kWh/day, while winter maintains a strong output of 5.97 kWh/day. Autumn experiences a slight dip but still produces a respectable 5.09 kWh/day. These figures indicate that Yasothon is an excellent location for year-round solar energy generation. The minimal variation between seasons suggests that solar installations in this area can provide reliable power output throughout the year, with only a minor decrease during the autumn months.

Optimal Panel Tilt

For fixed solar panel installations in Yasothon, the ideal tilt angle to maximize year-round energy production is 15 degrees facing South. This angle has been calculated to optimize solar capture across all seasons, taking into account the location's latitude and the Earth's elliptical orbit.

Environmental Considerations

While Yasothon'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, typically from May to October. Heavy rainfall during this period may temporarily reduce solar panel efficiency. 2. Cloud cover: Increased cloud cover during the wet season can impact solar radiation reaching the panels. 3. Dust and debris: The dry season may lead to accumulation of dust on solar panels, potentially reducing their efficiency. To mitigate these factors, consider the following preventative measures:

• Install panels at the optimal 15-degree tilt to promote natural cleaning during rainfall
• Implement a regular cleaning schedule, especially during the dry season
• Use high-quality, weather-resistant panels designed for tropical climates
• Consider a tracking system to maximize energy capture during periods of reduced sunlight

Overall, Yasothon's location offers excellent potential for solar energy generation. With proper installation and maintenance, a solar PV system in this area can provide consistent and substantial energy output 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 Yasothon

Seasonal solar PV output for Latitude: 15.7924, Longitude: 104.1568 (Yasothon, 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 Yasothon, Thailand

To maximize your solar PV system's energy output in Yasothon, Thailand (Lat/Long 15.7924, 104.1568) 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 Yasothon, 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 Yasothon, 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 Yasothon, 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 Yasothon, 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 Yasothon, Thailand

The landscape surrounding Yasothon, Thailand, is characterized by its gently rolling terrain and expansive agricultural plains. Located in the northeastern region of the country, known as Isan, Yasothon sits in the heart of a predominantly flat area with occasional low hills and shallow valleys. The topography is largely shaped by the Chi River and its tributaries, which meander through the region, creating a network of waterways and fertile floodplains. Much of the land around Yasothon is dedicated to agriculture, particularly rice cultivation. The fields stretch out in a patchwork of green and golden hues, depending on the growing season. Interspersed among these farmlands are small patches of deciduous forests and scattered wetlands, adding diversity to the otherwise uniform landscape.

Suitability for Large-Scale Solar PV

When considering areas near Yasothon for large-scale solar photovoltaic (PV) installations, several factors come into play. The relatively flat terrain in much of the surrounding region is advantageous for solar farms, as it minimizes the need for extensive land preparation and allows for efficient panel arrangement. The areas most suited for large-scale solar PV would likely be found in the open agricultural lands to the east and southeast of Yasothon. These locations offer vast, unobstructed spaces with good sun exposure throughout the day. The gently sloping lands in these directions provide natural drainage, which is beneficial for maintaining the solar installations. Another promising area for solar development could be the slightly elevated grounds to the northwest of Yasothon. These higher areas may receive more consistent sunlight and could potentially be less prone to flooding during the rainy season, which is an important consideration for long-term infrastructure projects in the region. It's worth noting that while the agricultural lands present opportunities for solar development, careful planning would be necessary to balance energy production with food security concerns. Ideal locations would be those that are less productive for farming or areas where solar installations could coexist with agricultural activities, such as elevated panels allowing for crop cultivation underneath. The proximity to existing power infrastructure and road networks would also play a crucial role in determining the most suitable sites for large-scale solar PV near Yasothon. Areas closer to major roads and power lines would likely be preferred to minimize additional infrastructure costs and facilitate easier integration into the existing power grid.

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.

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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.