Practical guidance for UK heat network operators on the regulatory framework introduced by the Energy Act 2023 and the Heat Networks (Market Framework) Regulations 2025.
Understanding Ofgem Authorisation — What heat network operators need to know about the new regulatory framework, authorisation conditions, and how to prepare for Ofgem oversight.
HNTAS Compliance Guide — A practical guide to the Heat Network Technical Assurance Scheme, including key performance indicators and compliance timelines.
Heat Network Registration — Step-by-step guidance on preparing for Ofgem's digital registration service, with a deadline of 26 January 2027.
HIU Commissioning — CIBSE CP1 — Practical guide to HIU commissioning on UK heat networks. CIBSE CP1 test procedures, flow rates, temperatures, differential pressure, VWART.
Heat Network Billing and Metering — Understanding billing and metering requirements for UK heat networks. Heat cost allocators, individual meters, billing frequency, and Ofgem transparency.
Heat Network Complaints Handling — What Ofgem requires from heat network operators for complaints handling. Timescales, recording, reporting, and Energy Ombudsman escalation.
Vulnerability and Priority Services — How to identify, support, and protect vulnerable consumers on your heat network. Ofgem requirements for Priority Services Registers.
Heat Network Consumer Standards of Conduct — Understanding Ofgem's Standards of Conduct for heat networks. The five overarching principles every operator must embed in their business.
Heat Network Disconnection and Supply Interruption — Ofgem's requirements for heat network disconnection and supply interruption. When disconnection is permitted, notice periods, vulnerable consumer protections.
Fair Pricing for Heat Networks — AC A6 and AC A7 — How Ofgem's Authorisation Conditions A6 (Fair Pricing) and A7 (Cost Allocation) shape tariff obligations. The fairness test, benchmarking, and what operators must document.
Financial Resilience and Business Continuity for Heat Networks — Ofgem's AC A12–A14 financial resilience requirements. Who they apply to, the LA/Excepted Company carve-out, ring-fencing, and continuity of supply obligations.