Sai Phet Solar Power Plant is a 29 MW solar power plant in Nakhon Pathom, Thailand. It is operated by Solarco Company Limited. Based on its capacity (estimated), it can supply roughly 12k homes (estimated). It ranks #98 of 238 Thailand power plants by installed capacity. Commissioned in 2013, it is around 13 years old — relatively modern. 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 WRI1026302.
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
The public capacity above is a source-verified 2026 capacity claim: 29 MW for Sai Phet solar farm.
Source: GEM tracker raw 2026. Scope: operating/nameplate; source-backed GEM tracker 2026 plant record. Confidence: high_source_row_verified_strict.
The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.
capacity: GEM tracker 2026 (location L100000831159); fuel: WRI source-record fuel
At 29 MW, Sai Phet Solar Power Plant is well above the median solar plant in Thailand (7 MW). Technically it is described as 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.
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Operated by Solarco Company Limited.
This solar plant converts sunlight directly into electricity with photovoltaic panels. It sits in a tropical savanna climate (Köppen Aw) — Northern Hemisphere, latitude 14.1°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 1.8% 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.
For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.
Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.
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.
The #7 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.
Coordinates 14.1078, 100.1744 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Sai Phet Solar Power Plant is a 29 MW source-record solar power plant in Nakhon Pathom, Thailand, commissioned in 2013.
Its output is enough to supply roughly 12,339 homes (estimated).
Sai Phet Solar Power Plant is operated by Solarco Company Limited.
