The within day obligation will replace the former hourly incentive mechanism. The aim underlying this new regime remains unchanged: to ensure that the balancing groups are also kept in balance during the day. Under the new rules, GASPOOL records the hourly imbalances of each balancing group and sum them over the course of the gas day. BGMs are granted a tolerance of +/-7.5% which is calculated by reference to the daily RLM quantity. If the cumulative hourly imbalance exceeds the toler-ance limits, the BGM may be required to pay a charge. No tolerances will be granted for the other allocation groups, i.e. hourly imbalances relating to those system points would always incur a charge.
An invoice is issued if GASPOOL incurred costs for having to take balancing actions in opposite directions (that is: buy and sell trades on the same gas day). But this only applies if the opposing buy and sell trades were effected using MOL 1 products.
The price for settlement of volumes exceeding the tolerance will be determined by: (P1 – P2) / 2
P1 = weighted average price for buying balancing energy
P2 = weighted average price for selling balancing energy