Condo Electricity Cost in Thailand 2026 — and how to tell if you are being over-charged
"How many baht per unit is condo electricity?" is the most-searched form of this question, and it has no single answer: a condominium can bill power in three different ways, each under a different set of rules. This page separates them, gives the real number for each, and shows what to do if yours is above it.
Condo electricity depends on who issues your bill — there is no special "condo tariff". If your unit has its own MEA/PEA meter and the bill is in the unit's name, you are the utility's own residential customer and pay the ordinary progressive tariff: at 200 units a month that works out to about 4.04 THB/unit once the Ft of 0.1623 THB, the 24.62 THB service charge and 7% VAT are included, rising to roughly 4.26 THB/unit at 300 units. If instead the unit owner bills you, that is a resale of electricity — and under the 2025 OCPB (สคบ.) notification a residential-building lessor may not add a profit margin above the utility rate, with a ceiling of 4.88 THB/unit. The common-area fee is a separate thing entirely: it is charged per square metre to run lifts, pumps and corridors, it is not the electricity inside your unit, and it should never be folded into a "per-unit" electricity figure. Full residential rate ladder at how many baht per unit 2026; if you rent, compare with rental room and dorm electricity.
A condo can bill power in three ways — work out which one you are on
The fastest test is to look at whose name the receipt is issued in, and whether it carries a utility invoice number. A meter number plus an MEA/PEA invoice number means you pay the utility directly. A receipt from the juristic person or from the owner means there is an intermediary — and that is exactly where the ceiling rule starts to apply.
Path 1 — the utility meter is in your unit
Most common where units are individually owned. You are an ordinary residential customer of MEA/PEA on the same progressive ladder as any Thai household, plus the 0.1623 THB/unit Ft, the 24.62 THB monthly service charge (for households above 150 units) and 7% VAT. Nobody can add a margin, because there is no intermediary.
Path 2 — the unit owner bills you
Seen in leased units: the owner reads a sub-meter and issues the bill. That is a resale of electricity. Under the 2025 OCPB notification a residential-building rental business may not charge above the utility rate and may not add profit, with a 4.88 THB/unit ceiling; a lease clause exceeding it has no legal effect.
Path 3 — the common-area fee (not your unit's power)
The condominium juristic person charges a common-area fee at a per-square-metre rate on your unit's area, to pay for lift power, water pumps, corridor lighting, security systems and other shared operations. It is not tied to the units of electricity you consume and should not be divided back into a “per-unit” electricity figure for your room.
A caution: whether a given lessor counts as a “residential-building rental business” under the OCPB notification is a determination the OCPB makes — it is not something to infer from a room count. If in doubt, the OCPB on 1166 will answer for free. Tenant rights in detail: rental and dorm electricity law 2026.
So what is the real number — the three benchmarks side by side
The table is computed from the actual residential tariff (progressive tiers + Ft 0.1623 + service charge + 7% VAT) at monthly consumption levels typical of a condo. The middle column is what you should pay if the unit holds its own utility meter. The right column is the maximum a re-billing owner may charge. A bill above the right column is above the ceiling.
| Monthly use | Real cost/unit (own utility meter) | Ceiling if the owner re-bills |
|---|---|---|
| 150 units | 3.93 THB | 4.88 THB |
| 200 units | 4.04 THB | 4.88 THB |
| 250 units | 4.17 THB | 4.88 THB |
| 300 units | 4.26 THB | 4.88 THB |
Read the table correctly: the middle figure is not a fixed unit price but the whole bill divided by units, so it rises with consumption because the residential tariff is progressive — 200 units costs about 808 THB in total, 300 units about 1277 THB. The 3.95 THB/unit figure often quoted in the news is the average of the entire power system, not any one household's rate. For your own unit's number, enter your monthly units in the electricity bill calculator.
Four checks on whether your condo bill is reasonable
Work through these in order. It takes under ten minutes and leaves you with usable evidence if you have to raise it with the owner or file a complaint.
Look at the receipt first. Does it carry an MEA/PEA invoice number and a meter number? If yes you are on Path 1 and no margin is possible. If not, you are on Path 2 — read on.
Separate the common-area fee from electricity. It is charged per square metre, not per unit. Adding the two together and dividing by units makes the figure look inflated immediately.
Read the meter yourself two months running. This month's figure minus last month's is the units actually used; compare it against the units billed. How to read it: reading an electricity meter.
Compare your per-unit price against the 4.88 THB ceiling. An owner charging 7–8 THB/unit is plainly above it, and roughly double what the utility itself would charge. Quick check: the rental electricity checker.
If the check shows you are over the ceiling, do not simply stop paying the whole bill — collect the evidence first, then follow the process in how to report over-charged rental electricity.
What the first-200-units-at-3.00-THB measure means for a condo
The announced relief measure caps the energy charge on the first 200 units at 3.00 THB/unit. That figure is the **energy charge only** — it excludes Ft, the monthly service charge and VAT. A household using exactly 200 units pays about 3.52 THB/unit all-in under the measure, not 3.00. And the benefit lands on the utility's bill, so if your unit is on Path 2 the saving reaches the owner first; whether your own price falls depends on whether the owner passes it through — and either way the 4.88 THB/unit ceiling still applies. Detail: the 200-unit 3.00-THB measure for tenants.
Who wrote this
Frank Lee, Founder of CapSolar — a commercial solar design-and-build company in Thailand with 80+ MWp installed across 150+ projects, 100+ clients served and 85K+ tons of CO₂ avoided. Reading real building electricity bills and tariff structures is weekly work here, so this page is written from the bill structure itself rather than from news summaries.
FAQ
Read next
Rental room & dorm electricity 2026
The 4.88 THB/unit ceiling, tenant rights and a worked bill
Dorm electricity law 2026
What the OCPB notification protects and which lease clauses are void
How to calculate a rental electricity bill
Read the meter, apply the rate, compare with real cost — step by step
Electricity price per unit 2026
The full residential progressive rate ladder
Own the building, or run the juristic person? Common-area power can come down
Lifts, water pumps and corridor lighting run all day — exactly the load a rooftop solar array matches best. CapSolar will assess for free whether it pays off for your building.