Implementing an EnMS based on ISO 50001
Domain 4 tests how plans become controlled practice: capable people, controlled SEUs, and design and purchasing decisions that lock in energy performance (clauses 7 and 8).
Support (clause 7)
Competence (7.2) for persons whose work affects energy performance - determine the needed competence, ensure it, retain evidence. Awareness (7.3) of the policy, EnPIs, individual contribution and the impact of activities. Communication (7.4) internal and external, defining what, when and how. Documented information (7.5) created, updated, controlled and retained.
Operation (clause 8)
8.1 operational control: criteria for effective operation of SEUs; operation and maintenance to those criteria; management of planned changes reviewed for energy consequences; outsourced processes controlled or influenced. 8.2 design: energy performance improvement considered in new, modified or renovated facilities, equipment, systems and processes. 8.3 procurement: energy performance specified when purchasing energy-using products and energy services.
Worked example
A plant buying a 250 kW air compressor sets minimum specific power in kW per cubic metre per minute at full and part load, demands test data with the offer, and evaluates life-cycle cost rather than capital price alone. The requirement sits in the tender and the commissioning check is recorded - evidence for both 8.3 and 8.1.
Traps
Elaborate procedures for non-SEU processes while the boiler house runs on habit; competence evidence that stops at training attendance; outsourcing an energy-intensive process and assuming the contractor's own ISO 50001 certificate discharges the obligation; selecting the cheapest unit and calling it energy-aware.