# Thailand faces a sharper power-cost risk as LNG prices threaten electricity tariffs

- Link: https://www.thailand-business-news.com/markets/commodities/329392-thailand-faces-a-sharper-power-cost-risk-as-lng-prices-threaten-electricity-tariffs
- Published: 2026-09-17T19:33:02+07:00
- Author: Chloe Zhou

Thailand’s energy outlook is coming under renewed pressure as liquefied natural 
gas prices surge amid disruptions to Middle Eastern supply routes. PTTEP warned 
that every **US$3 per million British thermal units increase in LNG prices could
raise Thai electricity prices by about 5%**, highlighting the country’s exposure
to the global gas market.

LNG currently supplies around **30% of Thailand’s electricity generation**, and 
more than a quarter of the gas used for power generation is imported. About half
of Thailand’s LNG purchases are made on the spot market, leaving utilities particularly
exposed to sudden price movements when global supply is disrupted.

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The problem is structural as well as cyclical. Domestic gas production is declining
as major fields such as Erawan and Bongkot mature, while pipeline supplies from 
Myanmar are becoming less predictable. Without additional domestic production, long-
term contracts or alternative energy sources, Thailand could become increasingly
dependent on imported LNG just as Asian demand for the fuel is competing with European
buyers.

The immediate market environment is particularly difficult. LNG spot prices have
risen to around **US$26/MMBtu**, while Asian LNG imports are projected to fall to
their weakest September level since 2018 as buyers respond to the price shock. Qatar,
one of Asia’s major LNG suppliers, has suffered a major disruption because of the
conflict around the Strait of Hormuz.

Thailand is therefore accelerating its energy diversification agenda, including 
renewable generation, grid investment and new domestic gas exploration. The government’s
rooftop-solar initiative and plans to expand LNG infrastructure provide some protection,
but the scale of the current price shock shows that energy security is rapidly becoming
a macroeconomic issue rather than simply an energy-sector concern.

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**Key points**

 * Every **US$3/MMBtu increase in LNG prices could raise Thai electricity prices
   by about 5%**.
 * LNG currently supplies roughly **30% of Thailand’s power generation**, with more
   than 25% of electricity-sector gas imported.
 * Asian LNG spot prices have risen to around **US$26/MMBtu**, while September Asian
   imports are heading toward their weakest level since 2018.

**Why it matters:** Higher electricity prices would feed directly into Thai manufacturers,
SMEs and households, potentially weakening consumption while increasing production
costs. For investors, Thailand’s ability to secure affordable gas and accelerate
renewable power is becoming an increasingly important determinant of the country’s
competitiveness in data centres, electronics and advanced manufacturing.