District heating
www.heatingandventilating.net
Guide to updated heat network regulations
Updated legislation for heat networks came into force in November 2020. Ian Allan, head of strategy for Switch2 Energy, explains the regulatory changes
T
he Heat Network (Metering and Billing) Regulations (HNMBR) apply to most sites that distribute thermal energy for heating, cooling or hot water from a central source to more than one end user, building or location. Legislation is enforced by the Office for Product Safety and Standards (OPSS), with civil and criminal penalties for non-compliance. The legislation, which was first introduced in 2014 to align with the EU Energy Efficiency Directive, aims to drive best practice in smart metering & billing.
Real-time metering data informs heat network
efficiency, which can deliver major performance improvements – leading to cost and carbon savings. Visibility of actual consumption data is also proven to promote energy saving behaviour by customers, who also benefit from transparency in billing and better customer service.
The most significant recent update relates to the requirement to install final customer meters on existing unmetered networks. The long-awaited
cost-effectiveness/feasibility tool is now available, which enables operators of unmetered networks to assess whether or not they are required to retrofit final customer meters or heat cost allocators into individual homes.
Latest key changes also relate to the heat network notification template, including a process to help operators determine whether their network meets the criteria of newly-created metering and billing exemptions.
!" February 2021
www.heatingandventilating.net
Incontro smart metering and prepayment system for district heating networks
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