Sun Hours and Solar Potential in Bangkok, Thailand
Solar Overview
Bangkok's solar energy potential is characterized by 2,159 sun hours yearly, with the highest irradiation in December. At 13.76° latitude, Bangkok benefits from relatively consistent solar angles throughout the year, providing stable energy production. Bangkok presents workable conditions for solar energy, particularly when combined with energy efficiency measures and available incentives.
Geographic Impact
The specific coordinates of 13.7563°N, 100.5018°E establish Bangkok's unique solar energy potential. This lower latitude position ensures consistently high sun angles, resulting in excellent year-round solar production with minimal seasonal variation.
Rating Methodology
The "Average" solar potential rating for Bangkok is based on multiple factors including annual sun hours (2,159), average temperature (29.4°C), and seasonal variability. The elevated temperatures reduce theoretical peak efficiency but are balanced by excellent sun exposure throughout the year. The moderate solar resource supports payback periods of 10-15 years for residential systems, particularly when incentives are available.
Understanding the Data
The graph below demonstrates seasonal solar production patterns in Bangkok. Production remains consistent year-round, with December showing maximum solar irradiation. Such seasonal characteristics are important factors in determining appropriate battery storage capacity and grid integration strategies.
💡 Advice: Consider panels with good temperature coefficients to minimize efficiency losses during summer heat.
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