Summary: The average electricity rate is reduced to 3.86 baht per unit. The first 200 units cost no more than 3 baht, with temporary meter users paying the same rate as residential households starting from the September 2026 billing cycle.
Summary of the structure "Electricity rate" This will take effect starting with the September 2026 billing cycle, following the Energy Regulatory Commission's (ERC) resolution on 5 August 2026.
Consumers can expect lower electricity bills as the average rate decreases from 3.95 baht (May–August 2026 billing cycle) to 3.86 baht. The definition of residential electricity users is reviewed so that users without permanent house registration but with at least six months of payment history will pay a reduced rate equal to residential households as follows.
Improvements Progressive rate structure for residential electricity users For the third quarter (September–December 2026), the new average base electricity rate is 3.86 baht per unit (excluding VAT), down from 3.95 baht per unit in the second quarter.
The 3.86 baht electricity rate is composed of
Most Thai households (about 98–99%) use residential electricity under the progressive rate structure. These can be divided into two main groups: about 58% use no more than 150 units per month, and about 42% use more than 150 units per month.
The progressive electricity rates for the September–December 2026 billing cycle are detailed as follows:
1. Usage up to 150 units per month
2. Usage exceeding 150 units per month
The ERC office has reviewed the definition of residential electricity users to include "Residences without permanent house registration" or "Temporary meters." If they have lived continuously and have a payment history of at least six months, they will be eligible to pay the residential rate instead of the previous temporary electricity rate of 6.8024 baht per unit. Approximately 40,000 households are expected to benefit.