My Fuel Variation Tariff commercial gas bill explained

This is a guide to understanding your Fuel Variation Tariff (FVT) commercial gas bill. This explanation is based on the bill template used for single site customers, if you're a group FVT customer this template may vary slightly.
Fuel Variation Tariff commercial gas new bill format - All sections

Section A: Your account information

Section B: Your bill summary and gas usage

Section C: Your rates and charges

Section D: Your account statement

A: Your account information

Fuel Variation Tariff commercial gas new bill format - Section A

1. Your bill address
This is the postal address where we send your bill to.

2. Your account number
This is your Bord Gáis Energy account number/account ID. Have this handy when you are contacting us.

3. Your plan and contract end date*
This is the name of the plan you're on. You'll also see your contract end date here. If you're not currently in contract with us, you won't see this line.

4. Your invoice number
This is the unique invoice number that has been assigned to your bill.

5. Your invoice date
This date will match the date of issue for your bill.

6. Your AC band
This determines what customer type you are based on the number of kWh you use annually.

7. Your capacity
This is your Supply Point Capacity.

8. Your date of issue
This is the date we issued and sent you your bill.

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B: Your bill summary and gas usage

Fuel Variation Tariff commercial gas new bill format - Section B

1. Your gas usage (from and to period)
This is the duration of time that your bill and charges relate to.

2. Your site address
This is the address of your premise that we are supplying and which your bill relates to.

3. Your usage comparison graph
This is a graph to show you how much gas you have consumed (kWh) during this billing period in comparison to this billing period last year. Please note this will only be available when 12+ months of usage has been consumed in order to compare.

4. Message box
Messages will appear here relating to your balance on the bill and/or more information regarding certain rates and charges.

5. Your balance summary
This box confirms the current total balance of your account and what date payment of this balance is due by. If your account is in credit you will notice a minus (-) before the total digits.
Please note there will also be confirmation included regarding your payment method.

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C: Your rates and charges

Fuel Variation Tariff commercial gas new bill format - Section C

1. Your meter consumption
Within this section of your bill, you will be provided with a breakdown of your gas usage for this bill which includes the following;

  • Current reading
    The meter reading used on your bill
  • Previous reading
    The meter reading used on your last bill
  • Volume
    The difference between both reads
  • Calorific value
    This is the total energy released as heat when a substance undergoes complete combustion with oxygen under standard conditions. It is a factor used to calculate the energy equivalent of gas usage. The method of calculating the calorific value rests with Gas Networks Ireland and is in line with best international practice and has been approved by the CRU.
  • Conversion factor
    This is a measurement of the heat content of the volume of gas measured, it is used to convert the measure volume of gas into the quantity of energy (kwh) contained in that gas, conversion factors are calculated by Gas Networks of Ireland (GNI).
  • Correction factor  
    This is used to covert gas units into Kilowatt hours (kWh).
  • Consumption
    This is the number of Kilowatt hours (kWh) you have used.

2. Your bill breakdown and GPRN
This is where you will find the breakdown of your rates and charges. You will see the description, the quantity, the rate and the amount for each.
Please note that this section of the bill may continue onto page 2.

  • Your GPRN
    Your GPRN (gas point reference number) is a seven-digit reference number used to identify your gas meter and connection to the gas network.
  • Gas Charge unit rate
    This compares your gas charge unit rate for the past two months.
  • Fixed Cost charge
    This charge consists of transmission commodity tariffs, distribution commodity tariffs, UK Transportation costs, swing flexibility and an approved margin on total costs.
  • Shrinkage charge
    This charge reflects the monthly unit cost of gas absorbed within the network during transportation. The rate will vary month on month however it will common to all Fuel Variation Tariff (FVT) customers.
  • Site charge This charge consists of networks related Supply Point Capacity charges and is based on your maximum daily amount of gas required at an individual meter. The cost is calculated per day and is charged for the number of days within the billing period.

3. Your bill total
Beneath the VAT charges, you will see the amount due. This is the total amount of what is due to be debited.

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D: Your account statement

Fuel Variation Tariff commercial gas new bill format - Section D

1. Your account statement
This will show any payments received since your last bill and any balance(s) outstanding.
Please note that this may show on page 2 or 3 depending on the amount of content included in your bill.

*Contract end dates will only display on bills issued from 20 June 2023.

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