Fastweb Gas Flex
Estimated bill
≈ €169.20 / month
Taxes included
Supplier share: €87.47/month, before taxes
Terms valid for 12 months
Taxes included
Supplier share: €87.47/month, before taxes
€2,030.38 / year
At 1,400 Smc/year
≈ 0.6212 €/Smc using average PSV 0.5012
Markup on the market price
Standing 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.
Terms valid for 12 months
Offer terms
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.
Annual seller charges
€180 / year
Retail Sales Charge
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 1, 2026.
Offer code: 038221GSVML01XX261008FWCNSDOMXXX