01 Procurement
Tender overview
- Buyer
- NORTHERN GAS NETWORKS LIMITED
- Status
- Complete
- Procurement method
- Direct award
- Category
- Not supplied
- CPV classification
- Not supplied
- Tender period
- Not supplied — Not supplied
Description
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
This page represents one OCDS contracting process. Notices can be revised over time. Values may be estimates, award values or contract values and should be read with their displayed stage and date.
02 Awards and contracts
Published award records
Supply, Install & Commission of Odorant Injection Systems
- Awarded
- 17 December 2025
- Award value
- £3,500,000
- Suppliers
- 1
- Signed contract
- Not supplied
03 Organisations
Buyers, suppliers and other parties
NORTHERN GAS NETWORKS LIMITED
1100 Century Way, Colton Leeds, UKE42, LS15 8TU, United Kingdom
Companies House 05167070 →YZ SYSTEMS LTD
North Hylton Road, Sunderland, UKC23, SR5 3JD, United Kingdom
Companies House 05263022 →Companies House links appear only for explicit GB-COH identifiers. BritDB does not create company links from a similar name or address.
04 Provenance
Source for this process
Contains public sector information licensed under the Open Government Licence v3.0. Official external links are available only on the source transition page.