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ISO 50001Who is it for?

Who is ISO 50001 for?

ISO 50001 is for companies where energy is a significant cost. Some are obliged to do it (from 2027), while others do it voluntarily because it pays for itself. Check below whether it fits your business.

ISO 50001 mandatory: energy-intensive companies (from 2027)

Under the revised EED directive, companies with high energy consumption must demonstrate active energy management from 2027. Since the revision, your energy consumption counts, not your company size.

Your obligation depends on your consumption:

  • More than 85 TJ per year: energy management system mandatory (deadline 11 October 2027)
  • 10 to 85 TJ per year: EED audit obligation, or ISO 50001 as an exemption

You have two options: ISO 50001 certification or an energy audit every 4 years. Most companies choose ISO 50001 because it is an ongoing system.

ISO 50001 voluntary but worthwhile

Even without an obligation, ISO 50001 pays off if your energy costs are substantial.

Manufacturers Energy is often 5-15% of your costs. If you spend €500k per year on energy, a 10% saving gives you €50k per year. Payback period: 1-2 years.

Data centres Energy is your largest cost item. ISO 50001 helps you lower your PUE and shows customers that you take efficiency seriously.

Property managers Tens or hundreds of properties? Structural energy management delivers substantial savings and increases value (energy labels).

Municipalities and government bodies Meet sustainability goals and provide transparency to residents.

Rule of thumb

If your annual energy costs exceed €100k, ISO 50001 is financially interesting. Below that threshold, the investment is hard to earn back, unless you combine it with ISO 14001.

ISO 50001 is not suitable for

  • Small offices with low energy costs (under €50k per year)
  • Companies without the ambition to improve structurally
  • Organisations that only want to meet the law: an energy audit is enough for them

Next step

What is ISO 50001?What are the benefits?