Paragraph 1 Gas and heatI1

the provision or operation of a fixed network for the provision of a service to the public in connection with the production, transport or distribution of gas or heat;

the supply of gas or heat to such a network.

the person supplying it (the “operator”) is a private utility or a public undertaking,

the production of gas or heat by the operator is a necessary consequence of carrying out an activity other than a specified activity, and

the amount of gas or heat supplied to the network represents not more than 20 per cent of the operator’s turnover amount.

an average amount for a period specified in the regulations;

another reasonable method so specified.