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title: "Gas Flex – illumia | 123offerte"
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> Index of every page on this site: [llms.txt](https://123offerte.it/llms.txt)

[illumia](https://123offerte.it/en/energy/providers/illumia)

# Gas Flex

Estimated bill

**≈ €149.81 **/ month

Taxes included

Supplier share: €71.31/month, before taxes

**€1,797.73 / year**

At 1,400 Smc/year

≈ 0.5512 €/Smc using average PSV 0.5012

Markup on the market price

**Market +****0.05**€/Smc

Standing charge

**€84.00**/ year (€7.00 / month)

CV fixed charge (€/year)

Annual usage × unit price + supplier standing charge + network charges, levies and taxes. For variable offers we use a shared PSV reference of 0.501205 €/Smc (12-month average, 2025-10/2026-09), which may differ from the contract’s index. Monthly spending is the annual estimate divided by 12, not a winter bill.

Estimates include network charges, system levies, excise and VAT. Supplier unit prices and standing charges are shown before these additions.

### **Availability & signup**

- Check availability at your supply address.
- Check which residence requirements apply with the seller.
- Check whether your activation or supplier change is eligible.
- Confirm local availability, eligibility and activation terms with the seller.

Payment: Bank direct debit

Signup channel: Online, Other channels

Sign up by Nov 10, 2026; this is not the price expiry date.

### **Offer terms**

#### **Full offer text**

The offer has a variable price updated monthly, which remains in effect for the entire supply term.

- For customers switching from another supplier

### **Source & dates**

Source accessed on Oct 31, 2026.

Offers current as of Nov 2, 2026.

Offer code: 000155GSVML37XXZZZZ02910Z261011G

## Similar offers

- **illumia** · [Sicurinsieme Gas](https://123offerte.it/en/energy/gas/illumia/illumia-sicurinsieme-gas-aa2f6ec2)

  Estimated bill

  **≈ €153.47** / month

  Taxes included
- **Azienda Energia e Gas** · [26GASONLINE](https://123offerte.it/en/energy/gas/azienda-energia-e-gas/26gasonline-cfe64030)

  Estimated bill

  **≈ €150.48** / month

  Taxes included
- **Argos** · [Gas Naturale Flex Segugio](https://123offerte.it/en/energy/gas/argos/gas-naturale-flex-segugio-75035400)

  Estimated bill

  **≈ €150.42** / month

  Taxes included
- **Energia Sociale** · [Flexy Social Gas](https://123offerte.it/en/energy/gas/energia-sociale/flexy-social-gas-1b746ef3)

  Estimated bill

  **≈ €148.59** / month

  Taxes included
- **A2A** · [Easy Gas](https://123offerte.it/en/energy/gas/a2a/a2a-easy-gas-04ec37a9)

  Estimated bill

  **≈ €149.64** / month

  Taxes included
- **illumia** · [Gas Premium Flex](https://123offerte.it/en/energy/gas/illumia/gas-premium-flex-59af0d44)

  Estimated bill

  **≈ €161.41** / month

  Taxes included

```json
{"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://123offerte.it/#organization","name":"123offerte","url":"https://123offerte.it/","logo":"https://123offerte.it/icon-512.png"},{"@type":"WebSite","@id":"https://123offerte.it/#website","name":"123offerte","url":"https://123offerte.it/","inLanguage":["it-IT","en"],"publisher":{"@id":"https://123offerte.it/#organization"}}]}
```

```json
{"@context":"https://schema.org","@type":"Service","name":"Gas Flex","provider":{"@type":"Organization","name":"illumia"},"url":"https://123offerte.it/en/energy/gas/illumia/gas-flex-28d38470","offers":{"@type":"Offer","priceCurrency":"EUR","price":149.81,"priceSpecification":{"@type":"UnitPriceSpecification","price":149.81,"priceCurrency":"EUR","unitText":"MON"}}}
```

```json
{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://123offerte.it/en"},{"@type":"ListItem","position":2,"name":"Gas offers","item":"https://123offerte.it/en/energy/gas"},{"@type":"ListItem","position":3,"name":"illumia","item":"https://123offerte.it/en/energy/providers/illumia"},{"@type":"ListItem","position":4,"name":"Gas Flex – illumia","item":"https://123offerte.it/en/energy/gas/illumia/gas-flex-28d38470"}]}
```

Source: 123offerte.it — https://123offerte.it/en/energy/gas/illumia/gas-flex-28d38470 (accessed 2026-11-02)

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See the full [sitemap](https://123offerte.it/sitemap.md) for all pages.
