Six airports in Thailand strengthen carbon management by rejoining Airport Carbon Accreditation

December 17, 2025

Six major airports in Thailand operated by Airports of Thailand (AOT) have rejoined Airport Carbon Accreditation. Suvarnabhumi Airport, Don Mueang International Airport, Chiang Mai International Airport, Mae Fah Luang – Chiang Rai International Airport and Hat Yai International Airport have achieved Level 3, while Phuket International Airport has reached Level 2. All six are working towards net zero emissions ahead of Thailand’s national target year of 2065.

AOT has adopted a twenty-year roadmap focused on expanding renewable energy, electrifying ground transport and improving the energy performance of airport buildings. These measures are already reshaping operations and establishing the basis for sustained emissions reductions across the network.

Suvarnabhumi Airport, the country’s busiest hub, is advancing large-scale renewable energy deployment. A solar rooftop installation providing 4.4 megawatts of capacity has been operating since August 2023 through a partnership with the District Cooling and Power Plant Company, supplying clean electricity for core airport functions. By 2026, additional photovoltaic installations on rooftops will bring total output to more than 37 megawatts. Over their lifetime, these projects are expected to reduce emissions by more than half a million tonnes of CO₂ equivalent while delivering considerable energy savings.

The transition to electric vehicles is a key part of AOT’s strategy. As of January 2025, all AOT-owned and operators’ vehicles are fully electric. Thirty-six fast-charging stations have been installed to support the growing fleet.

AOT is also advancing work on reducing Scope 3 emissions. It is preparing its airports for the wider use of Sustainable Aviation Fuel and is assessing the infrastructure needed to support reliable SAF distribution, recognising its importance for maintaining Thailand’s position as a regional aviation hub as global decarbonisation standards progress.