Air Ingress in Multi Occupancy Buildings (MOBs)

Air Ingress in Multi Occupancy Buildings (MOBs)

Status: Live
Reference: FI-0068
Lead Network: Cadent
Start Date: 01 June 2025
End Date: 01 December 2025
Budget: £131,667
Funding Mechanism: Network Innovation Allowance
Technology: Gas Distribution Networks, Hydrogen
Strategy Theme: Net zero and the energy system transition
Collaborating Networks: Cadent, SGN, Wales & West Utilities
Project Partners: Cadent, SGN, and WWU are funding partners on the project which has a total external cost of £98,750. The funding will be split between the partners with a ratio of 4:2:1 (Cadent: SGN: WWU).

Abstract

This project will help to inform UK Gas Distribution Network Operators (GDNOs) and wider industry on the impact of the potential for air ingress into gas-conveying pipework in MOBs. The mechanisms for air ingress into gas-conveying pipework have been shown to be gas agnostic, though this project will focus on impacts specific to future hydrogen distribution to MOBs.

The project will develop new learning in relation to the impact of air ingress into gas-conveying pipework in MOBs, with a specific focus on 100% hydrogen.

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