Apparatus for managing energy supplies; devices for measuring energy; energy control devices; building automation installations; electronic digital building automation systems; apparatus for remote meter reading; computer apparatus for remote meter reading; electric current meters; electricity metering apparatus; electricity meters; fluid metering apparatus; gas metering devices; temperature meters for household use; temperature meters for industrial use; electric controlled access security apparatus; electric security apparatus for buildings; electric security apparatus for the detection of intruders in buildings; electric security apparatus for the prevention of theft from buildings; electronic security apparatus for use in homes; electronic security apparatus for use in offices; security apparatus for processing video and/or audio signals; security apparatus for receiving video signals; security apparatus for transmitting video signals; security apparatus incorporating lights for use in buildings; security systems for buildings

Recording data relating to energy consumption in buildings