The utilities sector faces large-scale transitions to sustainable ways of supplying water and energy to ever more customers. Market liberalisation, privatisation, renewable energy, smart grids, efficiency and economies of scale are just some of the topics and challenges...


Kiwa provides a wide range of services for manufacturers and service providers in the utilities sector - in particular, the gas and drinking water sectors. We are experts in the natural gas sector, ranging from gas measurements, biogas and hydrogen appliances to grid development.

We support you in making the change from fossil to solar and wind energy, and in implementing and maintaining technologically advanced materials, appliances and systems for energy and water transportation and use. At the same time, we help you meet regulations and legislation concerning quality, health, safety and the environment.

  • Expert in gas and tap water sector
  • Wide variety of consultancy and inspection services
  • Provide assurance
Services (42 results)
Rubber rings
Drinking Water Materials Testing – BS 6920

BS 6920 is a requirement for manufacturers and suppliers of non-metallic materials/products that are used in contact with drinking water.

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FI Mark Drinking Water Approval

The FI drinking water approval is a quality mark and demonstrates that the product complies with the applicable regulatory requirements regarding to the plastic pipe material and possible odour or taste passed on from the pipe to water.

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Ü-mark – German High-Quality Mark for Construction Products

The Ü-mark indicates the usability of a construction product in Germany according to national requirements which are not covered by CE marking.

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Laptop with grafic network on it
Discover Irene Pro

Irene Pro is a comprehensive and user-friendly analysis and calculation solution for gas networks. Developed by Kiwa, Irene Pro serves as an essential tool for numerous network operators in the construction, management and maintenance of gas networks.

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Lab Kiwa

The resistance against permeation of gases and water through pipe walls and other separation components such as films, is for many practical applications a very important property. In this area, Kiwa Technology has gained vast knowledge and experience.

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Inspection for Construction Product Certificates and Approvals

Safeguard approved construction products continue measuring up to the requirements with inspection by an independent inspection body. Kiwa Sverige AB is accepted in Denmark, Finland, Norway and Sweden for conducting inspection for; GDV, SINTEF, STF and VA.

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Tapping a glass of water in the kitchen
UBA – German Evaluation Criteria for Products and Materials in Contact with Drinking Water

In Germany, plastic products of all kinds as well as rubber products that come into contact with drinking water must meet the hygienic and toxicological requirements of the guidelines of the Federal Environment Agency test (UBA). This is described in the elastomer guideline as well as in the KTW guideline.

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Assessment of sleeve connections for heat energy distribution networks

The quality of (city) heating networks depends to a significant extent on the quality of the connections in the pipelines. Leaks that allow water ingress, which often occur in sleeve connections, can lead to degradation of the insulation with all the resulting effects on thermal insulation performance

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Feasibility Studies on Alternative Fuels

Kiwa Technology carries out feasibility studies to support gas traders, fleet owners and governments; to facilitate investment, safety, and provide an overview on the possibilities of alternative fuels CNG, LNG, H2 and CH2. To serve this objective, the study covers various aspects of the business concept development.

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Research word web
Investigation accidents involving gas

Kiwa Technology investigates the cause of all types of accidents involving gas. These investigations are required in order to continue to use gas safely and also in order to assign responsibility for damages to the right parties.

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Lab Kiwa
Test possibilities materials

Problems in pipelines are often caused by the joints. Kiwa Technology has built up vast experience. For example, we have used our expertise in the area of plastic welding (of PE, PEX, PA, PP etc.) and other jointing techniques for years to support our consultancy regarding research and development projects.

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Hydrogen Testing & Certification

Kiwa Energy is a leading testing and certification body for hydrogen and other gas-fuelled appliances. We also specialise in fuel cell power, mCHP, portable device and fuel cell systems – whether fuelled by pure hydrogen or using other feedstocks.

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Analysis Device LC-MS MS
Gas Analyses and the calculation of gas properties

When the composition of the gas is crucial. Particularly when the calorific value or Wobbe index needs to be identified. In addition, it is important that the gas is free of detrimental trace components. The possible presence of certain trace components depends strongly on the origin of the gas.

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Product assessments

If you have, or are developing, a new product in the area of heat energy distribution, such as delivery sets or heat pump systems, you obviously want to be sure that this product is as good as possible and that it complies with all the relevant standards.

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Hydrogen Consultancy

Hydrogen and gas safety expertise

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Kiwa UNI Testing and Certification

The KIWA-UNI mark certifies the conformity of plastic and metal components in contact with water and gas to national and international standards.

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Analysis odorant in natural gas, hydrogen gas and other gases

Natural gas, hydrogen gas and many other gases are naturally odorless. This can cause dangerous situations, for example if a leak or other incident occurs. Gases that are distributed via the Dutch gas network must therefore be scented with a so-called odorant.

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Collage distribution

The energy infrastructure is becoming increasingly complex. In the past, all users were purchasers of electricity and gas or heat. Now a much greater variety of technologies is available such as heat pumps, home heat and power plants, solar-powered boilers and wind turbines.

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Finland Type Approval for Taps and Water Supply Systems

According to the law of Finland, the manufacturer should demonstrate that the construction product meets the set requirements. Type Approval is the simplest way to demonstrate conformity.

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INSTA-CERT Product Certification

Ladders, safety glass, plastic pipes and toilet seat, toilet washbasin. The INSTA-CERT product certification and the Nordic Poly Mark demonstrate that the products meet the Nordic quality level.

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Hyfitts Scheme

Hyfitts scheme for components of hydrogen pipework systems

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Asset Management

Benchmarking is one of the possibilities for improving the quality of your organisation and/or processes. If you wish to achieve the objectives that you have set, for example, for your asset management, you will have to translate them into specific, measurable, objective and consistent indicators.

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Water tap
Kiwa Watermark Certification, Testing and Inspection

Tests and Kiwa Watermark certification guarantee compliance with the requirements of Dutch standards for products in contact with drinking water used in industrial and domestic drinking water installations.

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Energy Analytics

Kiwa Energy creates and analyses datasets for government, energy suppliers and trade bodies uk.hydrogen@kiwa.com

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