RFP QuestBeta
OpenStage · planning

Southern Water Services Limited

Market Engagement Notice - Biogas Assets, Digester Maintenance and Tanks

ConstructionCPV 44611420
ValueValue not published
Deadline
Published19 Jun 2026
RegionNationwide
Who to contact
lucy.smith@southernwater.co.uk

The procurement contact named on the official notice.

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The brief

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.

Key requirements

What the supplier must deliver

01

Manufacture and/or supply

Manufacture and/or supply.

02

Between major interventions, assets undergo routine inspection

Between major interventions, assets undergo routine inspection and maintenance to ensure continued safe and efficient operation.

Derived from the notice text — always confirm against the original documents.

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Source & provenance
OCID
ocds-h6vhtk-06b976
Stage
planning · Planning
Source
Find a Tender
Buyer ref
058218-2026
View the original notice on Find a Tender

Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.

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