0636/A/B/C/D - Updating the parameters for the NTS Optional Commodity Charge

To update the parameters used in the derivation of the Optional Commodity Charge tariff in order to reduce the current level of effective cross subsidy by gas customers who cannot avail of the Optional Commodity Charge. To update the parameters used in the derivation of the Optional Commodity Charge tariff in order to limit the distance against which Users may apply the Optional Commodity Charge.

To update the parameters used in the derivation of the Optional Commodity Charge tariff with RPI. 0636C & 0636D: To update the parameters used in the derivation of the Optional Commodity Charge tariff but with the provision for an exemption for interconnector points from the updated parameters used in the derivation of the OCC until an enduring solution recognising the European Tariff Network Code requirements have been implemented.