For each Storage group, the annual basic amount per Customer for a Storage Access Contract is the total sum of several terms (in euros):

• Storage Capacity Reservation Charge Rate (TRC)

This equals the product of Storage capacity reservation unit price (PURC) by way of storage capacities subscribed.

• Withdrawal Quantity Charge Rate (TQS)

This is the product of the withdrawal quantity unit price (PUQS) given below by totalling the daily quantities of energy withdrawn throughout the Storage Access Contract.

• Injected Quantity Charge Rate (TQI)

This the product of the Injection Quantity Unit Price (PUQI) given below by totalling the daily quantities of energy injected throughout the Storage Access Contract.

Unit price for reserving Nominal storage capacities and for injected / withdrawn quantities

Prices for the 2010-2011 storage year

These items are specific to each storage group.

Storengy provides a storage fee calculator to calculate subscriptions' cost : Storage fee calculator (2010/2011).

For information, you can consult basic storage service prices since 2008:

• Prices since 2008