Solar PV Analysis of Ban Pang San, Thailand
Ban Pang San, Lamphun, Thailand is a good place for solar energy production throughout the year due to its tropical location. The amount of sunlight it gets is pretty consistent, making it ideal for solar power generation. However, there are different levels of energy that can be generated in each season:
- In summer, you can expect to generate about 5.46 kilowatt-hours per day from each kilowatt of installed solar panels.
- In autumn, this drops slightly to 4.99 kilowatt-hours per day.
- Winter sees an increase to around 5.60 kilowatt-hours per day.
- Spring is the best time for solar energy production with about 6.22 kilowatt-hours produced per day.
These figures suggest that while all seasons are suitable for generating solar power at this location, spring would be the most productive time.
If you're planning on installing fixed panel solar systems here, it's recommended to tilt them at an angle of 17 degrees facing south. This orientation will help maximize the total amount of energy produced from your panels throughout the year.
However, there might be some local factors that could potentially hinder your solar production efforts:
1) Weather Conditions: Tropical regions like Ban Pang San often experience heavy rainfall during certain periods which could reduce sunlight exposure and hence affect power generation efficiency.
2) Topography: The geographical features such as mountains or tall buildings could cause shading issues on your panels especially if they're located southwards where the panels are tilted towards.
To overcome these potential challenges:
1) Weather conditions: You could consider installing a system with battery storage so excess power generated during sunny periods can be stored and used when sunlight availability is low due to rainy weather conditions.
2) Topography: Before installation ensure there’s no obstruction blocking direct sun exposure on your panel by properly surveying and selecting optimal site location or using trackers that move with sun direction optimizing exposure even in hilly or uneven terrain.
Remember, the success of your solar installation will depend on a combination of these factors and the specific characteristics of your chosen site.
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 Ban Pang San
Seasonal solar PV output for Latitude: 17.7428, Longitude: 99.0208 (Ban Pang San, 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 17° South in Ban Pang San, Thailand
To maximize your solar PV system's energy output in Ban Pang San, Thailand (Lat/Long 17.7428, 99.0208) throughout the year, you should tilt your panels at an angle of 17° 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 Ban Pang San, 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 Ban Pang San, Thailand. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 17° 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 | 24° 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 Ban Pang San, 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 Ban Pang San, Thailand.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Ban Pang San, Thailand
Ban Pang San, Thailand is located in the northern part of the country and is characterized by a mix of flatlands and hilly terrain. The area is largely rural with some areas covered in forests. The region receives abundant sunlight throughout the year, making it suitable for solar PV installations.
For large-scale solar PV installations, flat open lands are most suitable as they allow for easier installation and maintenance, better sun exposure for panels, and less shading from surrounding features. Therefore, any open fields or unused agricultural land around Ban Pang San would be good choices.
However, it's important to note that an accurate assessment would require a more detailed study considering various factors such as local climate conditions (amount of sunlight per year), land use restrictions or regulations (environmental protections or zoning laws), accessibility (for installation and maintenance), proximity to power grids (for energy transmission), among others.
Finally, while hill slopes aren't typically ideal for large-scale solar farms due to potential issues with installation stability and efficiency loss from non-optimal sun angles - if designed properly they can still be used effectively. This could potentially increase the viable area around Ban Pang San for solar PV development considering its mixed topography.
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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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 9th of January 2024
Last Updated: Monday 21st of July 2025
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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.
