(2) how many (a) servers, (b) printers and (c) computer display screens are in use in the House of Commons part of the Parliamentary Estate; and what the estimated daily energy usage is of these devices.
Records show that there are 250 servers in use within the House of Commons. Estimated energy consumption for the servers is 75k per day, based on an average server. There are approximately 1,300 printers and approximately 2,670 desktop computers in use in the House of Commons, most of which will have an attached display screen. It is not possible to provide a reliable estimate of the energy consumption for printers and computer display screens due to their varying use.