In a system for remotely controlling the supply of electric power to customer premises, each customer premises is fitted with a power-switching arrangement coupled to a paging receiver (5-1, 5-2, 5-3). A utility company supplying the electric power can input requests to a server (1), optionally via a...http://www.google.co.uk/patents/US20050134430?utm_source=gb-gplus-sharePatent US20050134430 - Control system