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Compañía comercializadora: naturgy

Naturgy: How to understand your electricity bill

In a world where energy is essential to everyday life, it’s essential to understand what you’re spending every penny on. Our handbook will take you through the key aspects of your energy bills, from breaking down the technical concepts to deciphering the numbers and terms that can often seem overwhelming, including the famous CUPS NUMBER.

1. Identification of the company that issues your invoice, your electricity supply company

This section shows the logo, company name, VAT number and registered address of your electricity supply company. It also informs you that it is an electricity bill.

2. Bill details

Here you will find all the information that identifies this invoice and that you will need if you have any queries about it. 

  • Invoice number: tax identification number for this invoice.
  • Reference: this is the invoice code. It consists of the contract number, followed by a sequential indicator of the corresponding invoice number. 
  • Invoice issue date: date on which this invoice was issued.
  • Billing period: time interval invoiced. 
  • If you pay by direct debit, the date on which you will be charged the amount corresponding to your invoice. 
  • If you do not pay by direct debit, the date by which you have to make the payment for this bill, will appear.

4. Summary of the invoice and payment details

Electricity:

The summary of the items invoiced and the total amount for your invoice is shown.

The details for the calculation of each of these items can be found on the back of the invoice in the “Invoice details” section. 

  • Contracted power: total amount you pay for the power you have contracted. Which power you should contract depends on the characteristics of your electrical installation and the use of the electrical appliances you have in your home or premises. The price of the power is fixed and independent of consumption.
  • Energy consumed: the total amount you pay for the energy you have consumed, that is, for your electricity consumption.
  • Electricity tax: this is a tax on electricity established by the Ministry of Industry.
  • Rental of metering and control equipment: reflects the cost of renting metering and control equipment.
  • Tax applied: VAT (Value Added Tax) or IGIC (Canary Islands General Indirect Tax) is applied as applicable.
  • Total invoice amount: this is the total amount to be paid, taxes included.

Gas:

The summary of the items invoiced and the total amount for your invoice is shown.

The details for the calculation of each of these items can be found on the back of the invoice in the “Invoice details” section.

You will also find information about your payment method.

  • Energy: the total amount you pay for the energy you have consumed, that is, for your gas consumption.
  • Services and other items: this is where the discounts (if you have any) that are applied to you according to the gas contract you have taken out, are included.
    It also includes other items such as the rental of the gas measuring equipment and the hydrocarbon tax*. 
  • Tax applied: implies VAT (Value Added Tax) or IGIC (Canary Islands General Indirect Tax) as applicable.
  • Total invoice amount: this is the total amount to be paid, taxes included.
  • If you pay by direct debit: you will be informed of the account number where the amount of your invoice will be charged and the date on which you will be charged.
  • If you do not pay by direct debit: you will see the bar code for payment at the bank counter.

(*) Hydrocarbon tax for all gas consumers, which came into force for consumption from 1 January 2013 on, and the tax rate can be general or reduced, depending on the use of consumption:

  • Domestic use – General tax (0.00234 €/kWh). 
  • Professional use – Reduced tax (0.00054 €/kWh).

Other items:

In addition, depending on the specific invoice or the tariff you have contracted, other items may appear: 

  • Regularisation and other items: this item includes costs associated with possible regularisations.
  • Contracting rights: this is the cost corresponding to extension and access rights.

You will also find information about your payment method: 

  • If you pay by direct debit: you will be informed of the account number on which the amount of your invoice will be charged and the date on which you will be charged.
  • If you do not pay by direct debit: you will see the bar code for payment at the bank counter.

5. Information on gas consumption

Displays the current and previous readings of your meter. It also includes a graph with the history of your consumption on the dates indicated. Gas consumption is measured in cubic metres (m³), but billed in kilowatt hours. The conversion from m³ to kWh is done through the calorific value conversion factor. 

5.Information on electricity consumption

Here you will find all the detailed information about your electricity consumption: 

  • Billing period: the dates and number of days to which the amount of the invoice corresponds. 
  • Consumption during the period, in kWh: this is the consumption made during the billed period and is calculated as the difference between the actual reading and the previous reading. Depending on your tariff, your consumption can be specified for the different invoicing bands into which your electricity contract is divided.
  • Price per kWh: indicates the average cost per kWh for your electricity consumption and takes into account the different variations, in the case of tariffs with time discrimination, or discounts and promotions for free hours of electricity consumption. 
  • Graph with the evolution of your consumption: graphical view of your consumption over the last 14 months, including monthly information and the annual average of your electricity invoice.
  • Maximum power demanded: indicates the maximum power in kW that you have demanded in the last year, both in off-peak and peak hours. 
  • Daily expenditure in electricity: with information to better understand your consumption, we indicate the daily electricity consumption of this invoice, as well as the average amount you paid for electricity per day during the last 14 months invoiced.
  • Consumption over the last year: the total number of kWh you have consumed by adding up your consumption over the last 12 electricity bills.

3. Name and address of the recipient of the invoice

The personal details (name and address) of the contract holder who receives the invoice, are shown.

7. Contract details

This section contains the main details of the contract holder and other relevant information about your contract: 

  • The main details of the contract holder: name and ID number.
  • Address of the supply point: postal address of the contract for this invoice.
  • Free market contract: this is the name of the electricity tariff you have contracted with the company to which this invoice corresponds. 
  • Power contracted: the value in kW of the power currently contracted, for both the off-peak and peak periods.
  • Unified supply point code (CUPS): this is a unique code that identifies your supply point. It is headed by the sequence “ES” followed by another 20 alphanumeric digits. This is a piece of information that you will have to provide if you need to inquire about your invoice or contract so that rastreWatios can carry out your personalised study.
  • Permanence and end date of the permanence: in the case of having a permanence, this is indicated with a Yes and below it, the end date of the same.
  • Meter number: this is the identifier number of the meter that the distribution company uses to measure the energy consumed. 
  • Supply contract reference: number of the contract with the electricity supply company. 
  • Electricity supply company: name of the electricity supply company (with which you have your contract). 
  • Distributor: name of the distribution company (that is in charge of delivering electricity to your home or premises). 
  • Access contract reference: number of the contract with the distribution company.
  • Transport and distribution toll: this is the tariff paid by the electricity supply company to the distribution company for the use of the distribution network. This tariff is set by the Government and in the case of domestic use or for businesses with a power of less than 15 kW it is called tariff 2.0TD
  • Charge segmentation: the segment in which your type of supply falls for other regulated charges (other than tolls). Examples of these charges are production charges in electricity systems in the non-peninsular territories, the electricity system deficit or waste treatment. 
  • End of supply contract: date on which this contract ends. This data is merely a reminder and for information purposes. The contract is renewed annually and automatically unless otherwise indicated.

10. Notifications

In the “Consumer information” section of your electricity bill you will find a QR code that links to the CNMC’s energy offer comparator.