Guidance

CHPQA appendix 4: Determination of Z-ratio by plant performance test

Example 4 outlines determination of Z-ratio by plant performance test.

• From: Department for Energy Security and Net Zero
• Published: 1 September 2021
• Last updated: 26 March 2026
  Show all updates

  1. 26 March 2026

     Updated 2026 to align with the CHPQA Portal now hosted on GOV.UK.

  2. 1 September 2021

     First published.

Documents

CHPQA appendix 4: Example 4 - Determination of Z-ratio by plant performance test

PDF, 219 KB, 3 pages

This file may not be suitable for users of assistive technology.

Request an accessible format

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email alt.formats@energysecurity.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

Example 4 outlines determination of Z-ratio by plant performance test.