UPDATED 1 Sept: The EI library in London is temporarily closed to the public, as a precautionary measure in light of the ongoing COVID-19 situation. The Knowledge Service will still be answering email queries via email , or via live chats during working hours (09:15-17:00 GMT). Our e-library is always open for members here: eLibrary , for full-text access to over 200 e-books and millions of articles. Thank you for your patience.

Welcome to EI Knowledge

Explore a large and diverse collection of energy information

EI Knowledge is the centre for energy knowledge at the EI. We provide accurate and balanced energy information to support your work or studies. We also carry out our own research and engage EI members to create new sources of information and inform energy policy. Explore our resources by typing your query the search box above, browsing our subject-specific collections and searching our eLibrary. Do you have a research request or question to ask? Click here to contact us.

Video: Let us show you around

Take a tour of the EI's Knowledge site, from Energy Essentials Guides to Policy Milestones to our online magazine articles. This video also includes a demonstration of our eLibrary, which hosts over 260 eBooks and millions of articles covering all aspects of energy.