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New gas bill 2021

Access tariffs (or tolls) are a part of your gas bill. Their purpose is to finance the maintenance of the piped natural gas network and in 2021 they will undergo some changes. We will explain it for you.

How do the new tariffs affect you? 

From 1 October 2021, the Government will apply changes in access tariffs to encourage more efficient and responsible consumption. These are the 2 changes that will affect you the most:

1. Change in the name of your access tariff

Just as with the , the regulatory change in tariffs is accompanied by a new electricity access tariffs change in the name of the gas tariff groups.

In gas bills issued from 1 October 2021, in the "Detail of the invoice" – "Total amount of the invoice" section, you will see your new access tariff:

Tariffs that change (P≤ 4 bars)

New tariffs (P≤ 4 bars)

Annual gas consumption bands

Until 30/09/2021

From 01/10/2021

Annual consumption (Ca)



Ca ≤ 5.000 kWh



5.000 kWh < Ca ≤ 15.000 kWh



15.000 kWh < Ca ≤ 50.000 kWh



50.000 kWh < Ca ≤ 300.000 kWh

*Tariff 3.2 is divided into two sections in accordance with the new consumption time bands: RL2 or RL3 depending on annual gas consumption.

2. Change what you pay

Change the way you calculate the amounts you will pay for access tariffs or tolls, which have two different components:

  • Fixed term: This is a price in €/month that depends on the tariff group applicable for your annual consumption (RL.1, RL.2, RL.3, RL.4).
  • Variable term: This applies to the gas consumption (€/kWh) made in the last month (or period) of billing.

In general terms, with the new regulations the cost for the fixed term increases and decreases for the variable term.

This is expected to mean, broadly speaking, a decrease in what is paid for access tariffs or tolls. But the impact could vary and will depend on each particular case. 


Other changes to your gas bill

Below you will find details of other changes resulting from the new regulations:

One of the most significant changes from 1 October 2021 affects access tariff 3.2.

This tariff grouped together all users with an annual gas consumption between 5,000 and 50,000 kWh. With the new regulation, this tariff is subdivided into two new tariff groups:

  • RL.2 for annual consumptions between 5,000 kWh and 15,000 kWh
  • RL.3 for annual consumptions between 15,000 kWh and 50,000 kWh

Another important change affects the access tariff or toll 3.3, which was applied to annual consumptions of up to 100,000 kWh. This has become the new RL.4 tariff, for annual consumptions between 50,000 kWh and 300,000 kWh.

The gas year is a 365-day cycle in which your annual gas consumption is reviewed to establish what band you are in and which gas tariff corresponds to you as a consumer.

The gas year used to coincide with the calendar year: From 1 January to 31 December. With the new regulations, it will go from 1 October in one year to 30 September in the next.

Unlike what happens with , with gas the metering of monthly and annual consumption is still made using meters that have to be consulted in person smart meters for electricity.

This is why it is not possible to know your annual gas consumption until the end of the gas year and the distribution company tells us which gas tariff group applies to you.

The new tariffs, fees and charges for gas, approved by the Spanish Markets and Competition Commission and by RD 1184/2020, represent the regulated part of the terms that appear on the invoice, and are intended to cover different concepts that we detail below: Circular 6/2020 of July 22

Here are details of all the sections included in these gas tariffs:

1.     Access tariff to local transport and network networks: These cover all the costs for the piping system, gas pipelines and external connections.

2.     Access fees to gas storage: They cover the costs for underground tanks to ensure a constant supply of gas to users.

3.     Access tariff to regasification facilities: a certain part of the gas consumed is transported in a liquid state (LNG, Liquefied Natural Gas). Before entering the transport network it is necessary for a plant to transform it back into gas in a safe and controlled way, and this infrastructure is what this tariff pays for.

4.     System charges: These pay for regulated costs for the system other than those relating to the use of gas installations.

For more information on these regulatory changes, you can consult the CNMC website.


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