DEWA Bill Calculator
Estimate your Dubai electricity and water bill using official 2025 DEWA slab tariffs. Enter your kWh and m³ usage, choose your customer type, and get a full itemised breakdown — electricity slabs, fuel surcharge, water, sewerage, housing fee and VAT.
DEWA Bill Calculator
Full itemised breakdown — electricity slabs, surcharges, housing fee and VAT
Most DEWA estimators show a single total. This calculator breaks out every line item using official 2025 tariff slabs, shows which electricity slab your usage falls into, and separately calculates water, sewerage, housing fee and VAT — exactly like the real bill.
How to estimate your DEWA bill
How this compares to other DEWA calculators
| Feature | LazyTools ✦ | DEWA Official | ADAD.ae | DubaiToolkit |
|---|---|---|---|---|
| 2025 m³ water tariff | ✔ Updated | ✔ Yes | Gallons only | Gallons only |
| Itemised slab breakdown | ✔ Per slab | Total only | Total only | ✔ Yes |
| Housing fee calculator | ✔ With rent input | No | No | No |
| Expat / National / Commercial | ✔ All 3 | ✔ Yes | ✔ Yes | Expat only |
| Sewerage fee (2025) | ✔ AED 0.33/m³ | ✔ Yes | No | No |
| Season estimate mode | ✔ Summer/winter | No | No | No |
| No login or signup | ✔ Instant | Login required | ✔ Yes | ✔ Yes |
DEWA 2025 tariff rates at a glance
| Charge | Rate (2025) | Applies to |
|---|---|---|
| Electricity slab 1 | 23 fils/kWh | 0–2,000 kWh (residential expat) |
| Electricity slab 2 | 28 fils/kWh | 2,001–4,000 kWh |
| Electricity slab 3 | 32 fils/kWh | 4,001–6,000 kWh |
| Electricity slab 4 | 38 fils/kWh | 6,001+ kWh |
| UAE National electricity | 6.7 fils/kWh | Subsidised flat rate |
| Commercial electricity | 38 fils/kWh | Flat rate, all consumption |
| Electricity fuel surcharge | AED 0.060/kWh | All customer types |
| Water slab 1 | AED 7.70/m³ | 0–27 m³ (since March 2025) |
| Water slab 2 | AED 8.80/m³ | 27.01–54 m³ |
| Water slab 3 | AED 10.12/m³ | 54.01+ m³ |
| Water fuel surcharge | AED 1.10/m³ | All water consumption |
| Sewerage fee (2025) | AED 0.33/m³ | 1.5 fils/gallon, phased from Jan 2025 |
| Housing fee | 5% of annual rent ÷ 12 | Tenants only (billed via DEWA) |
| VAT | 5% | Applied on total bill |
How Your DEWA Bill Is Calculated — A Complete Guide for Dubai Residents
Every Dubai resident with a DEWA account receives a monthly bill that breaks down electricity and water charges, fuel surcharges, a housing fee and VAT. Understanding how each component is calculated helps you predict your bill accurately, identify which appliances or habits are driving costs, and plan your annual utility budget — especially since summer bills in Dubai can be 40–60% higher than winter bills due to intense air conditioning demand.
Electricity slab tariffs — how the tiers work
DEWA uses a progressive slab (tiered) system for residential electricity. The first 2,000 kWh each month are charged at 23 fils per kWh. If your usage exceeds 2,000 kWh, the next 2,000 units (up to 4,000 kWh) are charged at 28 fils per kWh. Usage between 4,001 and 6,000 kWh costs 32 fils per kWh, and anything above 6,000 kWh is charged at the highest rate of 38 fils per kWh. Importantly, each tier applies only to the units within that band — not to your entire consumption. A household using 2,500 kWh pays 23 fils for the first 2,000 units and 28 fils for the remaining 500, not 28 fils across the board.
The fuel surcharge — what it is and why it changes
In addition to the slab rate, DEWA adds a fuel surcharge to cover the cost of fuel used in electricity generation. The current rate is AED 0.060 per kWh for electricity and AED 1.10 per m³ for water. This surcharge is variable — DEWA reviews and adjusts it based on global fuel prices and generation costs. During periods of high oil and gas prices, the surcharge may increase; when energy costs fall, it may be reduced. The fuel surcharge is applied to every unit consumed, regardless of which slab the consumption falls into.
Water billing in cubic metres — the March 2025 change
Prior to March 2025, DEWA billed water consumption in imperial gallons. Since March 2025, water has been billed in cubic metres (m³), where one cubic metre equals 1,000 litres or approximately 220 imperial gallons. The new slab structure charges AED 7.70/m³ for the first 27 m³, AED 8.80/m³ for 27–54 m³, and AED 10.12/m³ above 54 m³, with the AED 1.10/m³ fuel surcharge applied on top. A typical 1-bedroom apartment in Dubai uses 8–15 m³ of water per month; villas with gardens or pools can use considerably more.
The housing fee — who pays it and how it is calculated
The Dubai Municipality housing fee is collected by DEWA on behalf of the municipality from tenants and property owners. For tenants, it equals 5% of the annual rent divided by 12, billed monthly. On a rent of AED 80,000 per year, the housing fee is AED 80,000 × 5% ÷ 12 = AED 333 per month. UAE nationals are exempt from the housing fee. The fee is based on the registered Ejari rent value, so it is fixed for the duration of the tenancy contract even if actual consumption changes. Property owners pay an equivalent ownership fee based on the assessed rental value of the property, also collected via DEWA.
Sewerage charges — introduced January 2025
Dubai Municipality introduced a phased sewerage fee in January 2025. In 2025 the rate is 1.5 fils per imperial gallon, which converts to approximately AED 0.33 per m³ of water consumed. The rate is set to increase to 2 fils/gallon in 2026 and 2.8 fils/gallon in 2027 as the phased implementation continues. The sewerage fee applies to all expat residents; UAE nationals are exempt. The charge is based on water consumption — higher water usage means a proportionally higher sewerage charge.
Summer vs winter bills — seasonal planning
Dubai's climate creates an extreme seasonal swing in electricity bills. Air conditioning typically accounts for 60–70% of residential electricity consumption during the summer months of May through September, when outdoor temperatures regularly exceed 40°C. A household using 800 kWh in winter can easily see consumption rise to 1,200–1,600 kWh in peak summer. Planning for summer utility costs is essential for household budgeting, particularly for villa residents who may see bills of AED 3,000–5,000 or more during the hottest months. The season multiplier in this calculator (summer: +50%, winter: −30%) applies to your base usage to generate a seasonal estimate without requiring separate data.
UAE National vs expat tariffs
UAE nationals receive a heavily subsidised electricity rate of approximately 6.7 fils per kWh — compared to the 23–38 fils paid by expatriates. This subsidy is significant: on 1,500 kWh of monthly consumption, a national household pays approximately AED 100 in electricity charges while an expat household pays approximately AED 345. Nationals are also exempt from the housing fee and sewerage charges. The subsidised national rate applies up to 400 kWh and remains negligible above that threshold. Commercial customers pay a flat rate of 38 fils per kWh regardless of consumption level.