Utility bills in Thailand: electricity, water & the landlord markup

Why this is a housing decision, not just a bill

In Thailand the difference between a fair utility setup and an inflated one is decided by the building you choose, not by how careful you are with the air-conditioning. Two identical condos on the same street can bill electricity at wildly different rates — one passing through the government tariff, the other adding a markup through a building sub-meter. Over a year that gap can be worth a month’s rent. That’s why utilities belong in your housing checklist alongside the deposit, the lease and who files the TM30. Get the per-unit rate in writing before you commit and you’ll never be surprised by the first bill. None of this is legal advice — rates and rules change, so confirm current tariffs with the authorities named below.

Electricity: who supplies it and what it really costs

Electricity in Thailand comes from one of two state authorities depending on where you live: the Metropolitan Electricity Authority (MEA) covers Bangkok, Nonthaburi and Samut Prakan; the Provincial Electricity Authority (PEA) covers the rest of the country. Their residential tariff is a progressive per-unit (kWh) rate — broadly in the 4–5 baht range — plus the periodic “Ft” fuel-adjustment charge and 7% VAT.

• A one-bedroom condo running AC daily commonly bills somewhere around 1,000–2,500 baht a month — air-conditioning is the single biggest driver, so usage varies enormously.
• If you hold the MEA/PEA account directly, the bill is transparent and you pay the official rate — this is common in owner-occupied condominium units.
• If the building bills you through a sub-meter, the rate is whatever the building or landlord sets — see section 04.

These figures are indicative and the tariff is revised over time; check the current residential rate with MEA (Bangkok area) or PEA (provincial) for exact numbers.

Water: cheap at source, sometimes marked up too

Water is supplied by the Metropolitan Waterworks Authority (MWA) in Bangkok and surrounds, and the Provincial Waterworks Authority (PWA) elsewhere, also on a progressive per-cubic-metre scale. The base cost is genuinely low — for most households the government water bill runs only a few hundred baht a month.

• As with electricity, buildings often re-bill water through a sub-meter at a flat marked-up rate (often around 18–25 baht per unit) or as a fixed monthly building charge.
• Because the base cost is small, the water markup costs less in absolute baht than electricity — but it’s worth confirming the per-unit water rate in the same breath as the electricity rate.
• Drinking water is separate: most residents drink bottled or dispenser water rather than tap, a small extra monthly cost.

The sub-meter markup — the thing newcomers don't see coming

This is the part that catches renters out. In many apartment buildings (and plenty of landlord-let condo units), you are not on the government meter at all — the building holds the master account and re-bills each unit through its own sub-meters at a rate it chooses. A flat 6–8 baht per unit for electricity is common, against an authority rate nearer 4–5, which can inflate your bill by roughly 30–80%.

This isn’t a scam so much as a norm — but an undisclosed high sub-meter rate has a lot in common with the surprises in our rental-scams guide. The fix is simple: ask, and get it in writing.

How to read your meter and sanity-check the bill

You don’t need to trust the number on the invoice — you can check it:

• Find your electricity and water meters (usually in a riser cupboard on your floor or a meter bank) and note the readings at move-in — photograph them.
• Each month, units used = this reading − last reading. Multiply by the per-unit rate on your lease, add any fixed charges and VAT, and compare to the invoice.
• If the maths doesn’t match the stated rate, raise it with the juristic/management office — meter and billing errors do happen.
• Keep a simple log of monthly units; it tells you instantly when something (a failing AC, a leaking toilet valve) spikes your usage.

Want to pressure-test a rate before you sign? Our utility-bill checker lets you compare a quoted per-unit rate against the typical authority rate so you can see the markup in baht.

How you'll pay

Paying is the easy part once it’s set up:

• Building-billed: most condos and apartments issue one monthly invoice (rent + metered electricity + water, sometimes the common-area fee), settled at the management office by bank transfer, PromptPay QR, or cash.
• Direct accounts: MEA and MWA bills can be paid via your banking app, the authority’s own app, PromptPay, bank counters, or by scanning the barcode at 7-Eleven and other convenience stores.
• Keep receipts: a paid utility bill doubles as a proof-of-address document for some immigration and banking errands.

Internet, gas and the common-area fee — what's separate

A few related costs people lump in with “utilities” but which work differently:

• Internet is its own contract — home fibre is cheap and fast in Bangkok. Sort it on arrival; see our internet & mobile guide.
• Cooking gas is rarely an issue in condos (most are all-electric); houses and some older units use refillable LPG cylinders delivered locally.
• The common-area / juristic fee (maintenance of lobby, pool, gym, security) is charged by the condo’s juristic person and is usually the owner’s cost in a rental — confirm in your lease that it isn’t passed to you.

What to ask before you sign

Put the answers in the lease. A landlord who bills at the authority rate and writes it down is telling you something good about how the rest of the tenancy will go — the same logic as the rest of our renting guide.

Where this fits in your costs

Utilities are one line in the bigger budget. Our cost of living in Bangkok guide places electricity, water and internet alongside rent, food, transport and healthcare across three realistic lifestyle tiers, and the tenant-rights guide explains the consumer-protection rules behind the utility-markup question. For the move-in cash and how deposits are reconciled, see the renting guide and our calculators.

Frequently asked