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 — See all updates

Documents

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

PDF, 219 KB, 3 pages

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Details

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

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.