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Fastweb

Fastweb Gas Flex

Estimated bill

≈ €169.20 / month

Taxes included

Supplier share: €87.47/month, before taxes

Terms valid for 12 months

€2,030.38 / year

At 1,400 Smc/year

≈ 0.6212 €/Smc using average PSV 0.5012

Markup on the market price

Market +0.12€/Smc

Standing charge

€180/ year (€15.00 / month)

Retail Sales Charge

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 whether your activation or supplier change is eligible.

  • Confirm local availability, eligibility and activation terms with the seller.

Payment: Bank direct debit, Card direct debit, Postal direct debit

Signup channel: All channels

Sign up by Nov 15, 2026; this is not the price expiry date.

Offer terms

Full offer text

Fastweb Gas Flex is a variable-price offer based on the PSV that follows energy market price trends and is intended for residential customers. The monthly discount applies to the commercialisation charge and is available if you also activate the Electricity offer at the same time as the Gas offer, or if you are already a Fastweb Electricity customer.

  • Activation of the supply is subject to the successful outcome of checks confirming the absence of previous payment defaults and an assessment of the Customer’s creditworthiness.

Discount conditions

Check each discount’s conditions. Do not deduct it again if it is already included in a price; discounts may not combine.

Bill discount, subject to conditions: €60.00 / year. Gas convergence discount

  • This offer provides for a discount of €5/month (excluding taxes) on the commercialisation charge for customers with an active Fastweb Energia Luce offer that is not already paired with a Fastweb Energia GAS offer.

Source & dates

Source accessed on Oct 31, 2026.

Offers current as of Nov 2, 2026.

Offer code: 038221GSVML01XX261008FWCNSDOMXXX

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