AwardedAwarded 17 December 2025
Supply, Install & Commission of Odorant Injection Systems
Northern Gas Networks Limited · Private utility
In brief
Northern Gas Networks Limited awarded this contract to YZ Systems Ltd on 17 December 2025.
The buyer says it is suitable for small and medium-sized businesses.
Built from the notice's own fields. Always check the official notice before you bid.
What the notice says
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
Who won
| Winner | Value | Dates |
|---|---|---|
| YZ Systems Ltd (SME) | £3,500,000 | Awarded 17 December 2025 |
Values as the award notice gives them, excluding VAT where stated.
Timeline
- Transparency notice · UK5, notice 083992-2025
- Contract award notice · UK6, notice 084016-2025
About the buyer
Northern Gas Networks LimitedLast 12 months
Procurements
109Awards
56Suppliers it has used most
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From notice 083992-2025 on Find a Tender, first published 17 December 2025, last updated 17 December 2025. We last checked for changes on 28 September 2026.