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Statutory guidance

SR2018 No 1: Specified generator, tranche B low risk, base load operation between 0 to 5 MWth

Standard rules and generic risk assessment for tranche B specified generator for base load operation

Updates to this page

From:
Environment Agency
Published:
6 September 2018
Last updated:
26 February 2026
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  1. The rule set (and corresponding generic risk assessment) has been brought into HTML format. Following a consultation there are new conditions for decarbonisation readiness. Hydrogen has been added as a new fuel type on this rule set with corresponding criteria and ELVs including for blends with natural gas. Addition of Marine Conservation Zone under the meaning of protected habitats. Consolidation of table 3.1 and 3.2 into one table. Reference to TGN5 replaced and MCERTS monitoring as an option included. Various updates to the interpretation section to improve understanding.

  2. Updated the 'Details' section to linked to the new service for applying for a environmental permit online in England.

  3. Removed out dated standard rule and associated generic risk assessment that applied until 13/12/19 to standard permits issued before 13/09/19.

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

  5. First published.

Applies to England

Documents

SR2018 No 1 standard rules Specified Generator, Tranche B low risk, base load operation between 0 to 5 MWth

HTML

Generic risk assessment for standard rules set number SR2018 No 1

HTML

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, hydrogen or non-waste derived biogas fired engines, turbines or boilers which are combined heat and power and the total aggregated net rated thermal input of all combustion plant is less than or equal to 5 MWth.

Apply online

You can apply online for this permit in England.

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