Home / Asia / Thailand / Khok Thai Solar Power Plant

Khok Thai Solar Power Plant

Solar power plant in Nakhon Ratchasima, Thailand. Approximate location 14.7635, 102.0694.

SolarNakhon RatchasimaThailandAssumed PV

Khok Thai Solar Power Plant is a 15 MW solar power plant in Nakhon Ratchasima, Thailand. It is operated by Ch. Karnchang Public Company Limited. Based on its capacity (estimated), it can supply roughly 6.5k homes (estimated). It ranks #110 of 238 Thailand power plants by installed capacity. Commissioned in 2023, it is around 3 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).

15Source-backed capacity
6,467homes powered (est.)
2023commissioned (~3 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1026253.

Data status

Known data

FacilityKhok Thai Solar Power Plant WRI
CountryThailand · Nakhon Ratchasima WRI
Coordinates14.7635, 102.0694 WRI
FuelSolar WRI
MW installed capacity15 MW WRI source record; scope not independently normalised
OwnerCh. Karnchang Public Company Limited WRI
Commissioned2023 WRI
TechnologyAssumed PV WRI

Calculated from dataset

Capacity rank in country#110 of 238 calculated
Fuel-specific rank in country#15 of 141 calculated
Capacity vs country/fuel peers2.05× · 7 MW median · 141 peers calculated
Homes-powered equivalent6,467 calculated
Climate26.9°C · HDD 0 derived from coordinates
Environmental severityC3 · 36/100 derived from coordinates

Not available

GWh reported / yrNot available not in dataset
CO₂ emissionsnot applicable not applicable

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Capacity provenance

The public capacity above is a source-verified 2026 capacity claim: 15 MW for Khok Thai solar project.

Source: GEM tracker raw 2026. Scope: operating/nameplate; source-backed GEM tracker 2026 plant record. Confidence: high_source_row_verified_strict.

Data provenance

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 L100000831108); fuel: WRI source-record fuel

In context: how this plant compares

At 15 MW, Khok Thai Solar Power Plant is well above the median solar plant in Thailand (7 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.

Capacity vs largest solar plants in Thailand

Nakhon Sawan Solar Power Plant: 101 MW101Nakhon Saw…Phitsanulok Solar Power Plant: 101 MW101Phitsanulo…Lampang Solar Power Plant: 90 MW90Lampang So…Lopburi - NED Solar Power Plant: 55 MW55Lopburi - …Prakhon Chai: 50 MW50Prakhon Ch…Lopburi SSP: 40 MW40Lopburi SSPSai Phet Solar Power Plant: 29 MW29Sai Phet S…Bangchak III: 25 MW25Bangchak I…

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Ch. Karnchang Public Company Limited.

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 14.8°N — which shapes how much energy it can produce and how its output varies through the year.

26.9°Cannual mean temp
0heating degree-days (base 18°C)
3,256cooling degree-days (base 18°C)
210 melevation

Monthly mean temperature

J: 24 °CJF: 26 °CFM: 29 °CMA: 30 °CAM: 29 °CMJ: 28 °CJJ: 28 °CJA: 28 °CAS: 27 °CSO: 26 °CON: 25 °CND: 23 °CD30 °C

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

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 moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
36/100environmental-severity index
6.5°Cseasonal temperature swing
226 kmdistance to coast

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.

How it compares & nearby plants

The #15 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

Location

Coordinates 14.7635, 102.0694 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Khok Thai Solar Power Plant?

Khok Thai Solar Power Plant is a 15 MW source-record solar power plant in Nakhon Ratchasima, Thailand, commissioned in 2023.

How many homes can Khok Thai Solar Power Plant power?

Its output is enough to supply roughly 6,467 homes (estimated).

Who operates Khok Thai Solar Power Plant?

Khok Thai Solar Power Plant is operated by Ch. Karnchang Public Company Limited.

Built from open public data; no personal information. Operate this site? Request a correction or removal.