This is the governing document that defines objectives and the scope within which the charity must operate.

Adds details to the principles set out in the Memorandum of Articles, for example post-nominal abbreviations for the different classes of membership or when Honorary roles are to be re-appointed.

Code of conduct

Lays down the ethical and professional standards by which Members should abide. The Code applies to all Professional Members, irrespective of the professional role they fulfil.


This document governs the treatment of data by staff, volunteers, Council and Members.

This document outlines our commitment to eliminating discrimination and encouraging diversity amongst our workforce.

An environmental audit of the IES office, using the science-based sustainability framework developed by The Natural Step.

Member activities

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Will domestic shale gas be part of Britain's future energy mix?

Upgrade your membership

For those wishing to re-grade their membership or to rejoin after a career break.

For members wishing to apply for Fellowship.