ISO 50001 for energy sector companies

A municipal utility sends a supplier questionnaire. An industrial customer wants proof before it renews a service contract. A tender for plant operation or metering services lists an energy management system as a criterion. In each case the purchasing department wants a document it can file, not a promise.

The logic is simple. A company that produces, distributes or sells energy is expected to handle its own energy use with discipline. Pumps, compressors, cooling, building heating and vehicle fleets run around the clock. Without an energy baseline nobody knows whether they are getting better or worse. ISO 50001 requires that baseline and a routine to improve on it.

For regional suppliers, biogas operators, heating cooperatives and energy service firms there is a practical side as well. In a customer audit, the auditor reads the certificate number or scans the QR code and lands on the verification page. The question is closed in a minute.

• ISO 50001 standard page

The standard looks at the energy your company uses, not at the energy you sell. In this industry that is easy to overlook, because the business itself is energy. Six terms carry most of the work.

Significant energy use

The few consumers that account for most of your consumption. In a district heating company these are typically the circulation pumps and the boiler house; at a hydropower plant, the auxiliary systems and building services.

Energy baseline

Your consumption over a defined past period, for example the last 12 months of own electricity use at a plant. Every later saving is measured against it.

Energy performance indicator (EnPI)

A ratio that makes consumption comparable, such as kWh of own consumption per MWh delivered, or kWh of pumping energy per cubic metre of heated water.

Energy objective

A target you set yourself, for example lower pumping energy in the heating network by the end of next year, with a figure that suits your plant.

Action plan

The measure behind the objective: replace unregulated pumps with speed-controlled ones, with an owner, a budget and a date.

Energy-efficient procurement

A rule that purchase specifications for transformers, motors, pumps or building technology state the efficiency requirement.

The table shows the six key requirements and what they look like at a mid-sized energy company. None of this needs a new department. It needs meter data, a named person and a written plan.

• ISO for small and medium businesses

Most of the 32 questions can be answered at once if the following points are already in writing. If they are not, set them up first. The questions then confirm your work instead of exposing gaps.

1. 01

   Collect the consumption data

   Gather invoices and meter readings for each site for the last 12 months.

2. 02

   Rank the consumers

   List what uses the most energy and mark the significant energy uses.

3. 03

   Fix the indicators

   Choose one or two EnPIs per significant use and record the starting value.

4. 04

   Write objectives and a plan

   One page is enough: measure, owner, budget, date.

5. 05

   Add an efficiency rule to purchasing

   A short instruction for whoever orders pumps, motors or building technology.

6. 06

   Hold a first management review

   Management reads the figures and signs off the policy. Keep the minutes.

The self-assessment for ISO 50001 has 32 yes/no questions. 13 of them are mandatory requirements of the standard and must all be answered yes. Of the other 19, at least 13 must be yes. Once you have passed and paid, the certificate arrives within 4 hours. You do not need an account to buy.

The certificate is issued by G6 Agency AG under licence from SICE, and SICE reviews every assessment before issue. Anyone can check it by number or QR code on the public verification page. Each year a short online re-audit confirms it.

The price is CHF 749 (€749) in the first year, then CHF 499 (€499) per year including the yearly online re-audit. The certificate is valid for 3 years. Billing is an automatic yearly subscription that you can cancel at any time to the end of the current year in your customer account. If you cancel, the certificate ends with the paid year.

• Start the free self-assessment
• See pricing
• How it works

Some tenders and framework agreements prescribe the classic route with an on-site audit by a certification body. If your tender documents say so, follow them. Read the wording of the requirement before you decide, and ask the purchasing contact which proof they accept.

Where the customer asks for a verifiable certificate and an energy management system that works, the online route is faster. It also lets you test your own readiness at no cost before you pay anything.

• Compare the certification routes
• Certification without an on-site audit