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.


The Contacts Collection contains links to contact details for EI company members, consultants and subject-specific groups of organisations. Alternatively, you can use the free text search box to look for the details of a particular organisation.

Register of Professional Energy Consultants (vetted by the EI)

EI Member Consultants - a searchable list of members of the EI offering consultancy services in a wide range of energy-related subjects. (Please note - that while the EI does not validate their skills or experience, or accept any responsibility for work done, EI Member consultants are expected to abide by the EI's Code of Professional conduct)