Thailand Cuts Residential Electricity Rates by 9 Satang
Thailand's Energy Regulatory Commission cut residential electricity rates by 9 satang per unit, bringing the average charge to 3.86 baht through December 2025, with the new tiered structure offering greater savings for households using 200
The Energy Regulatory Commission approved a new tiered electricity rate structure for residential customers, reducing the average billing rate by 9 satang per unit from 3.95 baht to 3.86 baht for September through December 2025. Pul Patthana Leesmabatti, secretary of the Energy Regulatory Commission, announced that the meeting on August 5 approved the progressive rate adjustment for residential electricity users after a public consultation process. The new average base rate will be 3.69 baht per unit, down from the current 3.78 baht per unit, effective from September 2025 onwards. When combined with automatic fuel adjustment charges of 16.23 satang per unit for the September-December billing period, the average household electricity charge falls to 3.86 baht per unit before value-added tax.
The rate restructuring applies specifically to residential customers with meters of 5 amperes or less under the Metropolitan Electricity Authority (types 1.1) and Provincial Electricity Authority (types 1.1.1), as well as customers with meters exceeding 5 amperes under types 1.2 and 1.1.2 respectively. The new structure caps the energy rate for the first 200 units at no more than 3 baht per unit. The restructuring also removes public lighting costs from residential rate calculations, reducing public lighting charges by 0.0634 baht per unit for usage above 200 units.
For usage of 201-400 units, the energy rate (excluding fuel adjustment and value-added tax) falls from 4.2218 baht to 4.1584 baht per unit, while usage of 401 units and above drops from 4.4217 baht to 4.3583 baht per unit. The commission also approved expanding the residential customer definition to include users without permanent house registration, provided they maintain continuous residential use, have at least six months of payment history, and complete verification with their local electricity provider. The commission held public hearings from July 24-31, 2025 before approving the changes on August 5, with formal notification to electricity providers on August 11 for implementation starting with September 2025 billing.
