Decarbonising industry
Acoustic, energy and environmental engineering for ICPE sites
Heavy industry, steel, refining, petrochemicals, energy, faces converging obligations: ICPE noise limits at the property boundary, the DDADUE energy audit for large consumers, carbon measurement and a credible decarbonisation trajectory. NORMAXIS supports these sites with acoustic engineering, regulatory energy audits and carbon LCA, feeding directly into CSRD ESRS E1 reporting.
Key issues
Three regulatory fronts for an industrial site.
ICPE acoustics
Admissible emergence (+5 dB(A) day / +3 dB(A) night) and boundary noise limits under the 23 January 1997 order, with a full propagation study for high installed power.
DDADUE energy audit
Mandatory audit above 2.75 GWh/year of final energy, every four years (NF EN 16247), covering at least 80% of consumption, or ISO 50001 as an alternative.
Carbon LCA & decarbonisation
Carbon measurement and a decarbonisation trajectory that feed the CSRD ESRS E1 transition plan and answer investor and lender scrutiny.
Context
Decarbonising a site is an evidence problem before it is a technical one.
Industrial decarbonisation projects in France are rarely blocked by the absence of technical options. They are blocked by the absence of a defensible baseline: without measured consumption at process level, no reduction can be demonstrated, no subsidy application can be substantiated, and no group-level disclosure can be traced to the site.
The DDADUE energy audit exists precisely to produce that baseline, and treating it as a compliance formality wastes it. Built as a roadmap, measured baseline, ranked actions, payback the finance team can act on, it becomes the document the investment case rests on.
Regulation
Three frameworks converge on the same site.
ESRS E1 requires group-level climate disclosure that has to be traceable to site measurement. Classified-installation rules govern what the site may emit, including noise at the boundary. And certified energy management under ISO 50001 exempts from the audit obligation while embedding the measurement process.
Where the site holds ecological value or is being extended, ecological expertise follows the same four-season calendar as any other project, and it is usually the constraint that sets the schedule.
Going further
Related pages.
Industrial decarbonisation draws on these pages.
- DDADUE energy audit — the baseline the whole case rests on
- ISO 50001 energy management — exemption and embedded process
- ESRS E1: climate change — group disclosure traceable to the site
- Double materiality assessment — what determines the reporting scope
- ICPE acoustics — emergence limits at the boundary
- Ecological expertise — required for extensions and authorisations
- Life-cycle carbon assessment — for the built assets on site
- Working with industrial companies — the wider engagement
Scope an industrial assignment
ICPE acoustics, regulatory energy audit and carbon LCA, the evidence base for compliance and for CSRD climate reporting.
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