Statutory guidance

SR2018 No 2: Specified Generator, Tranche B low risk, base load operation 0 to 2 MWth with high background NOx (existing permits)

Standard rules and generic risk assessment for Tranche B Specified Generator with individual unit capacity <2MWth with a high background NOx.

From:
Environment Agency
Published
6 September 2018
Last updated
26 February 2026 — See all updates

Documents

SR2018 No 2 standard rules Specified Generator, Tranche B low risk, base load operation 0 – 2 MWth with high background NOx (existing permits)

Ref: LIT 10963

PDF, 295 KB, 8 pages

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SR2018 No 2 generic risk assessment Specified Generator, Tranche B low risk, base load operation 0 – 2 MWth with high background NOx (existing permits)

Ref: LIT 10964

MS Excel Spreadsheet, 46 KB

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

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Details

When referred to in an environmental permit these rules will allow the operator to operate one or more Tranche B Specified Generators which are natural gas fired engines or boilers which are CHPs. The individual unit capacity is <1 to 2 MWth and the total is <2.0 MWth at the specified location which may be in urban areas where background NO2 is high.

Applies to Specified Generators burning natural gas.

Updates to this page

Published 6 September 2018
Last updated 26 February 2026 + show all updates

  1. This rule set is now only available for existing permit holders. Removed previous versions of the rule set which are no longer applicable.

  2. Added updated standard rule and associated generic risk assessment.

  3. First published.

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