asked the Minister for Energy what saving of coal or oil stocks at power stations has been achieved by refusing those applications which have been made by firms that they should be allowed to work from Wednesday midnight until 0600 hours on Thursday instead of the same hours on Sunday mornings; how many firms have made such applications; what margin of unused generating capacity existed at these hours on Wednesday 9th January 1974; and if he will make a statement.

This information is not available.