HNTAS Explained: Metering & Monitoring for Heat Networks

The UK’s heat network sector is evolving fast, with new standards, regulations registration requirements with OFGEM are now in play, from 27th January 2026 to ensure reliability, efficiency, and consumer protection. 

At the heart of this change is the Heat Network Technical Assurance Scheme (HNTAS) (DRAFT), which will set out the benchmark for how heat networks should be designed, installed, and monitored.

For developers, building owners, and network operators, aligning with HNTAS will no longer be optional; it’s a legal requirement. DMS Metering Solutions, with 25 years of experience in metering and monitoring, provides the technology and expertise to help networks meet the proposed metering and monitoring standard confidently.

 What is HNTAS and Why Does it Matter? 

HNTAS is part of the UK Government’s commitment to improve heat network performance, consumer protection, and investor confidence. 

Its focus includes: 

• Technical assurance at key lifecycle stages: design, construction, and commissioning

• Ongoing performance monitoring to ensure efficiency and reliability

• Data collection to support compliance and reporting

For heat network operators, this means demonstrating that the network works as intended and that residents are billed fairly and accurately inline with the key foundation of milestone 2 – metering and monitoring.

If you can't measure it, you can't ensure efficiency

An accurate, robust metering and monitoring package which is fit for purpose is essential.   

How can DMS Metering Solutions support your journey to HNTAS Compliance?

End-to-End HNTAS Support

DMS can support projects throughout the full HNTAS lifecycle, including 

• Initial Heat Network Survey support

• Meter selection, specification, and supply 

• Integration with Elvaco systems for data collection

• Ongoing data access, review, and performance insight

• Monitor performance against technical standards 

•  Identify and resolve inefficiencies quickly

• Maintain clear documentation for assurance and compliance

Accurate Heat Metering

Our heat meters provide precise measurement of energy usage, ensuring developers and operators have reliable performance data to meet HNTAS requirements.

Reliable Water Metering

Water consumption monitoring is also essential for HNTAS compliance. DMS supplies high-quality water meters for both individual dwellings and communal plantroom applications.

Gas Metering in the Plantroom

Gas metering is required to understand the primary energy input to the heat network. DMS supplies plantroom suitable gas meters to support efficiency calculations and HNTAS reporting.

Electric Metering in the Plantroom

Electric metering allows accurate monitoring of electrical inputs such as pumps, controls, and plant equipment. This data supports full system performance analysis under HNTAS.

Integrated Metering Panels

DMS metering panels bring together heat, water, gas, and electric meters into a single, organised solution. These panels collect, display, and store consumption data, making it easier to monitor network performance and provide clear KPI’s for HNTAS compliance.

 Why Choose DMS?

• Experience: 25 years supplying UK metering solutions for residential, commercial, and district heating networks

• Trusted Partners: Sontex, Apator PoWogaz, Elvaco, and Honeywell

• Future-Focused: Our products are designed to support the next generation of heat network standards, including HNTAS

• Guidance & Support: Expert advice on integrating metering into new or existing networks

When HNTAS becomes the standard for heat networks in the UK, having reliable metering systems is no longer a luxury; it’s a necessity. 

DMS Metering Solutions offers the technology, experience, and support to help your network meet these requirements with confidence.

Contact us today to discuss our 'Hand-held’ approach to the metering and monitoring standard for HNTAS (DRAFT).

01773 534555 or email meters@dmsltd.com