Thap Tai Solar Power Plant is a 1.7 MW solar power plant in Prachuap Khiri Khan, Thailand. It is operated by Bangkok Solar Power Company Limited (BSP). Based on its capacity (estimated), it can supply roughly 723 homes (estimated). It ranks #219 of 238 Thailand power plants by installed capacity. Commissioned in 2025, it is around 1 years old — recently built. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, solar supplies about 5.3% of Thailand's electricity; the national grid averages 546 gCO₂/kWh (16.6% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1026326.
Data status
Known data
Calculated from dataset
Not available
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
Data provenance
Source of the capacity and fuel values:
capacity: GEM · 2026 · L100001024463; fuel: WRI GPPD
In context: how this plant compares
At 1.7 MW, Thap Tai Solar Power Plant is below the median solar plant in Thailand (7.4 MW). Technically it is described as Assumed PV. Solar PV converts sunlight directly into electricity with no moving parts or fuel; output varies by time of day and weather, so it pairs with storage or flexible backup.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
Key facts
- Share of Thailand solar capacity
- 0.1% of 1,416 MW across 141 plants in this dataset
- Age among peers
- 44 of 45 dated solar plants in Thailand are older
Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).
Capacity vs largest solar plants in Thailand
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Owner
Operated by Bangkok Solar Power Company Limited (BSP). All plants by this company →
Local climate & thermal context
This solar plant converts sunlight directly into electricity with photovoltaic panels. It sits in a tropical savanna climate (Köppen Aw) — Northern Hemisphere, latitude 12.5°N — which shapes how much energy it can produce and how its output varies through the year.
Monthly mean temperature
This site has effectively no heating season (tropical/equatorial climate), so winter heat loss is not the driver here. The thermal concern shifts to year-round process heat and humidity/heat-driven corrosion of hot equipment.
Solar PV loses ~0.35%/°C above 25°C cell temperature — roughly 1.6% at warm-season highs here (estimate).
Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.
Site climate & environmental severity
This site sits in an aggressive, high-corrosion environment (estimated ISO 9223 class C5 — Very high), with marine salt corrosion the leading environmental stress.
Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.
How it compares & nearby plants
The #122 largest solar power plant of 141 in Thailand by capacity.
Thailand has 141 solar power plants in this dataset, together about 1,416 MW of capacity.
Nearby power plants
- Phetchaburi Solar Power Plant · Solar · 2.1 MW · Phetchaburi
- Kui Buri Solar Power Plant · Solar · 8.8 MW · Prachuap Khiri Khan
- Khao Yao Solar Power Plant · Solar · 10 MW · Phetchaburi
- Thap Sakae Solar Power Plant · Solar · 12.4 MW · Prachuap Khiri Khan
- U-Tapao Hybrid power station · Gas · 80 MW · Rayong
- Ang Thong · Solar · 24 MW · Prachuap Khiri Khan
Location
Coordinates 12.4778, 99.8908 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Frequently asked questions
What type of power plant is Thap Tai Solar Power Plant?
Thap Tai Solar Power Plant is a 1.7 MW solar power plant in Prachuap Khiri Khan, Thailand, commissioned in 2025.
Who operates Thap Tai Solar Power Plant?
Thap Tai Solar Power Plant is operated by Bangkok Solar Power Company Limited (BSP).