Guidance
Simple guide to Good Quality CHP and the Quality Index value
A simple guide for CHP scheme owners on what constitutes Good Quality CHP and how the Quality Index scoring system is used.
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Good Quality is the term used to describe CHP schemes that are considered energy efficient under the CHPQA assessment criteria.
The Quality Index(QI) is the scoring system developed for CHPQA that provides a means of assessing the quality of CHP Schemes.
Updates to this page
Published 1 September 2021
Last updated 26 March 2026
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Updated 2026 to align with the CHPQA Portal now hosted on GOV.UK
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First published.