Thailand household electricity estimator
Estimate a residential bill using the displayed home tariff and September–December 2026 Ft period.
How to use it
- Confirm the displayed residential tariff, meter scope and Ft period.
- Enter electricity use in whole or decimal kilowatt-hours and the billing month.
- Review the tiered energy charge, service charge, Ft and VAT breakdown.
Important limitation
The estimate does not cover TOU tariffs or every meter type, subsidy, discount and utility-specific adjustment.
The interactive form is fully localized in English.
Reviewed 2026-09-23; next review 2026-12-23.
Residential category 1.1.2 and Ft at THB 0.1623 per unit for September–December 2026 have been checked. TOU and meter-specific conditions are excluded.
Sources
อัตราค่าไฟฟ้าบ้านอยู่อาศัยประเภท 1.1.2การไฟฟ้าส่วนภูมิภาค · opens in a new tabSupports the THB 38.22 service charge and category 1.1.2 energy tiers, not TOU or other categories.Source checked 2026-09-23สถิติค่า Ftสำนักงาน กกพ. · opens in a new tabSupports Ft at 16.23 satang per unit for September–December 2026.Source checked 2026-09-23Review history
Dates describe the review scope recorded below. A page update does not mean every source was checked again.
- Bounded supported electricity months
Added a billing-month input and rejected months outside the documented Ft period, with unit and browser regressions.
- Separated the current September–December Ft period
Kept Ft at 16.23 satang per unit but corrected the disclosed period from a combined May–December range to the current September–December ERC period.
- Last recorded source/method review
Residential category 1.1.2 and Ft at THB 0.1623 per unit for September–December 2026 have been checked. TOU and meter-specific conditions are excluded.