How are the electricity and gas tranches computed?

The scale is progressive within each quarter: the first 125 kWh at the social rate of DZD 1.7787, the next 125 at 4.1789, then up to 1,000 kWh at 4.8120 and beyond at 5.4796. Gas works the same way: the first 1,125 thermies at DZD 0.1682, stepping up to 0.4599. Only the excess moves into the pricier tranche.

Why does one bill carry two VAT rates (9% and 19%)?

Article 23 of the turnover-tax code grants the reduced 9% rate to household consumption up to 250 kWh of electricity and 2,500 thermies of gas per quarter, and to the fixed parts (PMD premium, standing charge). Anything beyond those thresholds takes the standard 19%.

What is a thermie and how do I convert from m³?

The thermie is the energy unit gas is billed in. Your bill multiplies the m³ volume by the “conversion coefficient” printed on it (around 9.7, varying slightly with region and pressure). As an estimate: m³ × 9.7 ≈ thermies.

What is the PMD power premium?

It is the fixed part of the household electricity bill (tariff 54M has no flat subscription): DZD 4.37 per subscribed kW per month. At the common 6 kW that is DZD 78.66 per quarter before 9% VAT. The premium applies whenever an electricity contract exists, even at zero consumption.

What are the “fixed duty” and “housing tax” lines?

Two state levies collected through the Sonelgaz bill: the fixed consumption duty (art. 485 bis of the indirect-tax code, rewritten by the 2025 finance law) is tiered on electricity use — 0 up to 70 kWh, then 25, 100 and 200 DZD. The housing tax was raised by the 2026 finance law to DZD 400/year (100 per quarter) in ordinary communes and DZD 800/year (200) in daïra seats and the communes of Algiers, Oran, Constantine and Annaba.

When is stamp duty added to the bill?

Only when paying cash: DZD 1 per 100-DZD slice or fraction (minimum DZD 5). Electronic payment — BaridiMob, Edahabia card — is fully exempt (art. 258 quinquies).

Are these tariffs still current in 2026?

Yes. The energy grid has been frozen since 1 January 2016 (CREG decision D/22-15/CD) with no revision published since. Only the fiscal levies changed recently: the fixed-duty scale (2025 finance law) and the housing tax (2026 finance law).

Why might the result differ slightly from my actual bill?

The calculator assumes an actual meter reading; your bill may include an estimated-reading regularization, REPE/RGPE connection installments, or tiny rounding differences. The structure mirrors the official invoice line by line.

Utility-bill calculators

Sonelgaz bill calculator (electricity & gas)

Estimate your quarterly electricity & gas bill on the official CREG tranches — dual-rate VAT, fixed duty, housing tax and cash stamp included.

Per official rate schedules · 2026

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Entry period

Quarterly electricity consumption (kWh)

The difference between two meter readings over three months — the bill's “Consumption” box

Quarterly gas consumption (thermies)

Gas is billed in thermies (m³ × conversion coefficient ≈ 9.7). Enter 0 if you have no gas supply

Subscribed power (PMD)

Commune type (housing tax)

Payment method

Year

Amount due (incl. tax)

2,904DA

Electricity61%

Gas14%

Taxes & levies25%

Electricity, pre-tax1,707DA

Tranche 1: ≤125 kWh × DZD 1.7787222DA

Tranche 2: 126–250 kWh × DZD 4.1789522DA

Tranche 3: 251–1000 kWh × DZD 4.8120962DA

Gas, pre-tax311DA

Tranche 1: ≤1125 th × DZD 0.1682189DA

Tranche 2: 1126–2500 th × DZD 0.3245122DA

Power premium (PMD)79DA

Gas standing charge86DA

Total pre-tax2,182DA

VAT 9%110DA

VAT 19%183DA

Fixed consumption duty200DA

Housing tax200DA

Cash-payment stamp29DA

Amount due (incl. tax)2,904DA

Monthly average968DA

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How it works

Enter your electricity (kWh) and gas (thermies) consumption — monthly, quarterly or yearly, converted to a quarter automatically.
Consumption is spread over the progressive CREG tranches, then the PMD power premium and the gas standing charge are added.
VAT (9% and 19%), the fixed duty, the housing tax and the cash-payment stamp are applied line by line, exactly like the real bill.

Sources: CREG decision no. D/22-15/CD — turnover-tax code (art. 23) — 2025 & 2026 finance laws — Official Journal (JORADP).

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This calculator reproduces the quarterly household Sonelgaz bill (54M electricity and 23M gas tariffs) exactly as issued: consumption spread over the CREG progressive tranches (frozen since 2016), the PMD power premium and gas standing charge, VAT at both 9% and 19%, the fixed consumption duty, the housing tax (2026 finance law) and the cash-payment stamp.