The Secretary of State may, by an order made under this section, require the holder of—
to apply in respect of the use of the transmission or, as the case may be, distribution system, or any part of the system, in a specified area charges which do not distinguish (whether directly or indirectly) between users in different parts of the area.
The Secretary of State may, by such an order, require the holder of a supply licence—
in respect of a comparable supply of electricity in a specified area which do not distinguish (whether directly or indirectly) between consumers in different parts of the area.
The Secretary of State shall not specify in such an order any particular or maximum charge or price or any particular condition of contract.
Such an order may make different provision for different cases or descriptions of case.
For the purposes of this section—