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Hat Yai Solar Power Plant

Solar power plant in Songkhla, Thailand. Approximate location 6.9828, 100.4802.

SolarSongkhlaThailand

Hat Yai Solar Power Plant is a 1 MW solar power plant in Songkhla, Thailand. It is operated by Thai Solar Energy Public Company Limited (TSE). Based on its capacity (estimated), it can supply roughly 425 homes (estimated). It ranks #225 of 238 Thailand power plants by installed capacity. 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).

1Source-backed capacity
425homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1026241.

Data status

Known data

FacilityHat Yai Solar Power Plant WRI
CountryThailand · Songkhla WRI
Coordinates6.9828, 100.4802 WRI
FuelSolar WRI
MW installed capacity1 MW WRI source record; scope not independently normalised
OwnerThai Solar Energy Public Company Limited (TSE) WRI

Calculated from dataset

Capacity rank in country#225 of 238 calculated
Fuel-specific rank in country#128 of 141 calculated
Capacity vs country/fuel peers0.14× · 7 MW median · 141 peers calculated
Homes-powered equivalent425 calculated
Climate26.7°C · HDD 0 derived from coordinates
Environmental severityC5 · 49/100 derived from coordinates

Not available

CommissionedNot available not in dataset
TechnologyNot available not in dataset
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 the current source-record value. A 2026 tracker candidate lists 2 MW for Hat Yai solar project III, but it is not used as the public primary value until scope is verified (unit vs operating vs installed/project total).

Capacity claim grade: B_SCOPE_PARENT_COMPLEX - recommended action: build_parent_complex_model - confidence: not_comparable_without_scope. This follows a claim-based data model: value + scope + source + confidence, rather than silently overwriting records.

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 L100001066861); fuel: WRI source-record fuel

In context: how this plant compares

At 1 MW, Hat Yai Solar Power Plant is below the median solar plant in Thailand (7 MW). 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 Thai Solar Energy Public Company Limited (TSE). 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 monsoon climate (Köppen Am) — Northern Hemisphere, latitude 7.0°N — which shapes how much energy it can produce and how its output varies through the year.

26.7°Cannual mean temp
0heating degree-days (base 18°C)
3,180cooling degree-days (base 18°C)
116 melevation

Monthly mean temperature

J: 26 °CJF: 26 °CFM: 27 °CMA: 28 °CAM: 28 °CMJ: 27 °CJJ: 27 °CJA: 27 °CAS: 27 °CSO: 26 °CON: 26 °CND: 26 °CD28 °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 1.0% 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 an aggressive, high-corrosion environment (estimated ISO 9223 class C5 — Very high), with marine salt corrosion the leading environmental stress.

C5ISO 9223 corrosivity (indicative)
49/100environmental-severity index
2.3°Cseasonal temperature swing
33 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 #128 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 6.9828, 100.4802 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Hat Yai Solar Power Plant?

Hat Yai Solar Power Plant is a 1 MW source-record solar power plant in Songkhla, Thailand.

How many homes can Hat Yai Solar Power Plant power?

Its output is enough to supply roughly 425 homes (estimated).

Who operates Hat Yai Solar Power Plant?

Hat Yai Solar Power Plant is operated by Thai Solar Energy Public Company Limited (TSE).

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