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In deliveryUnited KingdomFramework agreement

Supply, Install & Commission of Odorant Injection Systems

Published
Published 17 December 2025

Overview

Supply, install and commissioning of network compatible odorant injection systems This procurement covers the supply, installation, and commissioning of odorant injection systems to support operational reliability and compliance across designated gas sites. The systems are proprietary to the Supplier, requiring a single-source approach to ensure compatibility and maintain existing infrastructure standards. Key Deliverables include: • Delivery of ZEO odorant injection units with bund risers. • Mechanical and electrical installation, including associated materials and pneumatic lines. • Integration of electrical back plates, cabinet lighting, PRU and vent stack. • Full retention of existing NJEX systems Commissioning and Factory Acceptance Testing (FAT) by Supplier. • Hazardous waste disposal in line with environmental requirements. • Supply and installation of 75m injection line and miscellaneous materials. Geography and Scale: Deployment spans multiple operational sites within the UK gas network, ensuring continuity of odorization capability across the region. Purpose: The upgrade will enhance system reliability, maintain regulatory compliance for gas odorization, and support safe network operations. Leveraging Supplier proprietary technology ensures seamless integration with existing assets and minimizes operational risk

Key details

Country
United Kingdom
Status
In delivery
Procedure
Direct
Contract type
Framework agreement
SME suitable
Yes
Published
17 December 2025

Award outcome

Awarded value
£3,500,000
Award date
17 December 2025
Contract period
1 January 2026 → 31 March 2027
Winner
  • YZ SYSTEMS LTD

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Notice history

Every published notice in this contracting process, newest first.

  1. Contract

    17 December 2025

    View notice ↗
  2. Contract

    17 December 2025

    View notice ↗

Contracting authority

  • NORTHERN GAS NETWORKS LIMITED

    Buyer

    Colton Leeds, United Kingdom

    GB-COH: 05167070

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Awarded: Supply, Install & Commission of Odorant Injection Systems — won by YZ SYSTEMS LTD — Skim