The EI library in London is temporarily closed, as a precautionary measure in light of the ongoing COVID-19 situation. The Knowledge Service will still be answering email queries via, and is available for live chats on this page during working hours (09:15-17:00 GMT). Our e-library is always open for members here:, for full-text access to over 200 e-books and millions of articles. We are sorry for any inconvenience.

This website is a catalogue of all the information we hold. Most resources are available online, though some items catalogued here can only be accessed from the EI library in London. Search for specific terms through the bar at the top of every page, use the advanced search for more precise results, or browse by topic through the Energy Matrix or Collections.