Conditional withdrawal capacities option

For each Storage group, the annual basic amount due per Customer for the conditional withdrawal capacities option to the Storage Access Contract is the total of several terms in euros:

•  Conditional Withdrawal Capacity Reservation Charge Rate (TRCSC)

This is the product of the Conditional Withdrawal Capacity Reservation Unit Price (PURCSC) given below and the Maximum Conditional withdrawal Capacities subscribed to.

•  Conditional Withdrawn Quantity Terms (TQSC)

This is the product of the Conditional Withdrawal Quantity Unit Price (PUQSC) given below and the total of the daily quantities of energy withdrawn under this option throughout the Storage Access Contract.

Prices from 1 April 2010 to 31 March 2011

The items in the above table are the same for all Storage groups.

For information, you can consult the prices of conditional withdrawal capacities option since 2008.

Conditional injection capacities option

For each storage group, the annual basic amount due per customer for the conditional injection capacities option in its Storage Access Contract combines several terms in euros:

• Conditional Injection Capacity Reservation Charge Rate (TRCIC)

This is the product of the Conditional Injection Capacity Reservation Unit Price (PURCIC) given below and the Maximum Conditional Injection Capacities subscribed to.

• Conditional injected quantity terms (TQIC)

This is the product of the Conditional Injection Quantity Unit Price (PUQIC) given below and the total daily quantities of energy injected under the option throughout the Storage Access Contract

Prices from 1 April 2010 to 31 March 2011

The items in the above table are the same for all storage groups.

For information, you can consult the prices of conditional injection capacities option since 2008.

Day-ahead service

For each storage group, a customer wishing to use this service issues a daily request in the form of desired injection/withdrawal quantity + proposed unit price. The proposed price must be equal to or higher than the bottom price.

For storage year 2010/2011, the bottom price for day-ahead is:

• 0,36 euro / MWh(25°C) for injection,
• 0,80 euro / MWh (25°C) for withdrawal.

For information, you can consult the bottom prices of day-ahead since 2008.

The annual amount due from the customer for the day-ahead service in his Storage Access Contract is a combination of the following terms in euros:

• Term for the Injected Quantity by way of the Day Ahead Offer (TQIDA)

This is the total throughout the contract of the products of unit prices for injected quantity for the day-ahead proposed by the customer for the day in question and the daily quantity injected for the day-ahead offer for the same day.

• Term for the Withdrawn Quantity by way of the Day Ahead Offer (TQSDA)

This is the total throughout the contract of the products of unit prices for withdrawn quantity for the day-ahead proposed by the customer for the day in question and the daily quantity withdrawn for the day-ahead offer for the same day.

Gas-flow direction reversal service

The annual amount due from the customer for the gas-flow direction reversal service in his Storage Access Contract is a combination of the following terms in euros:

• Withdrawn quantity under direction reversal terms

This is equal to the long term accumulation of the contract for products of unit prices for withdrawn quantity and daily quantity withdrawn as intra-day direction reversal.

• Quantity injected under direction reversal terms

This is equal to long term accumulation of the contract for products at the unit price for injected quantity and daily withdrawn quantity by way of direction reversal.

Maximum or Minimum Inventory Overrun

For a given day (D), a positive difference between the storage inventory and the Maximum inventory (respectively Minimum) for this day, represents excess storage an inventory overrun. This inventory overrun is authorised if there is no inventory overrun on the day before day D, provided that the Inventory level due to acknowledging this request is not itself above 100%( respectively negative).

If an inventory overrun has been observed the day before day D, the inventory overrun is penalized on a Powernext® Gas Spot DAP (Day Average Price) reference at PEG North (respectively PEG South) increased by 50%.