HC Deb 20 March 1947 vol 435 c104W
90. Mr. D. J. Williams

asked the Minister of Fuel and Power how many collieries in South Wales have their own plant for generating electricity supplies; how many colliery generating stations have been closed down; and how many colliery undertakings draw their supplies from the grid.

Mr. Shinwell

In the year ended 30th June, 1946, there were 86 mines in South Wales and Monmouth where electricity was generated at the mine, and 33 of these also received supplies from authorised electricity supply undertakings. 129 mines received electricity from authorised supply undertakings alone. Information is not available as to the number of colliery generating stations which have been closed.