Water and energy utilities face growing expectations. They must ensure reliable operations, support sustainability goals, improve energy efficiency and protect increasingly connected infrastructures.
To support these challenges, many organizations rely on internationally recognized management standards such as ISO.
Why ISO certification matters?
ISO certifications provide a framework for continuous improvement.
For customers, they offer assurance that key topics are managed through recognized and independently audited processes:
- ISO 9001 supports quality and customer satisfaction,
- ISO 14001 helps reduce environmental impact,
- ISO 45001 promotes occupational health and safety.
- ISO 50001 drives energy efficiency.
- ISO 27001 certification strengthens information security and cybersecurity.
Together, these standards contribute to a more resilient and responsible organization.
Supporting quality, sustainability and security
Since launching its Integrated Management System (IMS) in 2019, Diehl Metering has worked to harmonize processes across its locations and ensure consistent standards worldwide.
In April 2026, the company completed a hybrid multi-site audit covering:
- ISO 9001 and ISO 14001 recertification (both certified since 2020),
- ISO 45001 and ISO 50001 surveillance audits (certified since 2024 and since 2025, respectively),
- and a first certification audit for ISO 27001 – Information Security Management.
These standards support a common goal: helping customers rely on consistent quality, responsible operations and continuous improvement across all Diehl Metering locations.
How ISO 27001 strengthens cyber resilience
As utilities continue their digital transformation, information security has become a critical topic.
Water and energy providers increasingly rely on smart metering, connected devices and digital data flows to operate their networks efficiently. While these technologies create new opportunities, they also increase cybersecurity challenges.
ISO 27001 provides a structured Information Security Management System (ISMS) to identify risks, protect information assets and strengthen business continuity.
For utilities operating critical infrastructure, this contributes to stronger utility cybersecurity, data security and digital trust.
A certification designed for an international environment
The company's ISO 27001 certification covers legal entities in Germany, France, Poland and the United Kingdom.
This international scope reflects the increasingly connected nature of utility ecosystems and the importance of applying consistent security practices across locations.
The certification also complements existing management systems. It helps ensure that information security is managed with the same rigor as quality, environment, health and safety, and energy efficiency.
What does it mean for customers and partners?
For utilities, municipalities and business partners, certifications are not just about compliance.
They provide confidence that risks are assessed, processes are regularly reviewed and continuous improvement remains a priority.
Diehl Metering ISO 27001 certification supports the secure handling of information in an environment where smart infrastructure, connected infrastructure and digital services play an increasingly important role.
For customers, this means working with a trusted utility partner committed to quality, sustainability and secure digital operations.
Looking ahead
Rather than a destination, this audit represents another step in a continuous improvement journey. By expanding its certified management systems, Diehl Metering aims to help customers and partners navigate an increasingly complex environment.
This includes addressing evolving challenges related to quality, sustainability, energy management and information security.
FAQ
What is ISO 27001 certification?
ISO 27001 certification is the international standard for an Information Security Management System (ISMS).
Why does ISO 27001 matter for utilities?
It helps utilities strengthen information security, manage cyber risks and support operational resilience.
What is an ISMS?
An ISMS (Information Security Management System) is a framework used to identify, assess and manage information security risks.
Which countries are included in Diehl Metering's ISO 27001 certification scope?
Germany, France, Poland and the United Kingdom.
How does ISO 27001 support smart metering?
It helps strengthen data security in smart metering, protect connected systems and support secure digital operations.