Market Engagement Notice - Biogas Assets, Digester Maintenance and Tanks

SOUTHERN WATER SERVICES LIMITED

This public procurement record has 1 release in its history.

Planning

19 Jun 2026 at 14:42

Summary of the contracting process

Southern Water Services Limited, based in Worthing, United Kingdom, is initiating a procurement process for the maintenance and enhancement of its biogas assets, digester maintenance, and tank systems through a preliminary market engagement notice. This planning stage seeks initial responses from interested parties regarding design, specification, manufacturing, supply, installation, commissioning, and maintenance for sludge-processing and biogas asset infrastructure. The main procurement category is goods, and this project involves various services at Southern Water's Sludge Treatment Centres, encompassing regions within the UKJ area. Potential suppliers should submit their responses by 14 August 2026, and the future notice date is set for 17 August 2026. The contract period is slated to begin on 30 April 2027 and conclude on 29 April 2031, with possible extensions until 2035.

This procurement offers significant opportunities for companies specializing in sludge-processing equipment, storage tank systems, and maintenance services. Due to the scale of operations and the emphasis on continuous operational performance and safety, businesses involved in asset refurbishment, process optimisation, and biogas energy solutions are well-positioned to benefit. The procurement process supports small and medium-sized enterprises (SMEs) by allowing their participation, thereby creating avenues for business growth in the utilities sector. Companies looking to expand their service offerings within the private utility market can leverage this tender to establish long-term partnerships with a prominent utility service provider in the region.

How relevant is this notice?

Notice Title

Market Engagement Notice - Biogas Assets, Digester Maintenance and Tanks

Notice Description

General Requirements - * Design and specification * Manufacture and/or supply * Installation and commissioning * Planned preventative maintenance (PPM) * Reactive maintenance and repair * Refurbishment and replacement * Process optimisation and performance improvement For the following areas - A. Digester Systems - Southern Water operates 43 digesters across 16 Sludge Treatment Centres (STCs), with a full cleaning and maintenance cycle typically undertaken on a circa 9-year basis. Between major interventions, assets undergo routine inspection and maintenance to ensure continued safe and efficient operation. B. Biogas Assets - Southern Water operates a range of biogas assets supporting anaerobic digestion and energy recovery processes. These assets are critical to operational performance and safety compliance C. Tank Systems (Non-Concrete) - Southern Water operates a range of non-concrete tank systems across its water and wastewater operations - circa 200+. These assets are used for a variety of applications including the storage of drinking water, wastewater and sewage treatment, process water, industrial effluent, anaerobic digestion/biogas processes, and bulk solids.

Planning Information

Please not this is not a call for competition Note: If you are already registered on Southern Water's sourcing portal please go straight to Step 2 below If you are unregistered please follow the instructions below to register 1. Register your company on the Jaggaer sourcing portal (this is required only once) To register or log in please go to - https://southernwater.bravosolution.co.uk/web/login.html Select the "Login or register to participate" link above and click the "Register Now" link on the home page Accept the terms and conditions and click "Next" Enter your correct business and user details Note the username you chose and click "Save" when complete You will shortly receive an email with your unique password (please keep this secure) 2. Respond to the PQQ/ITT Login to the portal with your username/password Click the PQQs open to all suppliers or ITTs open to all suppliers' link. Click on the relevant PQQ/ITT

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06b976
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/058218-2026
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK2 - Preliminary Market Engagement Notice
Procurement Type
Framework
Procurement Category
Goods
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

42 - Industrial machinery

44 - Construction structures and materials; auxiliary products to construction (except electric apparatus)

45 - Construction work


CPV Codes

42996900 - Sludge-processing equipment

44611420 - Sludge-storage tanks

44611500 - Water tanks

45232422 - Sludge-treatment works

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
19 Jun 20265 days ago
Submission Deadline
Not specified
Future Notice Date
17 Aug 20262 months to go
Award Date
Not specified
Contract Period
29 Apr 2027 - 29 Apr 2031 4-5 years
Recurrence
Not specified

Notice Status

Tender Status
Planning
Lots Status
Planning
Awards Status
Not Specified
Contracts Status
Not Specified

Contracting Authority (Buyer)

Main Buyer
SOUTHERN WATER SERVICES LIMITED
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
WORTHING
Postcode
BN13 3NX
Post Town
Brighton
Country
England

Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ2 Surrey, East and West Sussex
Small Region (ITL 3)
TLJ27 West Sussex (South West)
Delivery Location
TLJ South East (England)

Local Authority
Worthing
Electoral Ward
Northbrook
Westminster Constituency
Worthing West

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

JSON Markdown

The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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