Guidance

CHPQA guidance note 21: Indirect determination of heat outputs

Guidance for CHP scheme owners on the indirect determination of heat outputs.

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Guidance for CHP scheme owners on the indirect determination of heat outputs.

Updates to this page

Published 1 September 2021
Last updated 26 March 2026 + show all updates
  1. Updated 2026 to align with the CHPQA Portal now hosted on GOV.UK.

  2. First published.

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