Opportunity Overview
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.
• 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.
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Start FreeSolicitation Details
| Issuing agency | Southern Water Services Limited |
|---|---|
| Country | United Kingdom |
| Category | Maintenance & Repair |
| Published | June 19, 2026 |
| Procurement stage | Request for Proposal (RFP) |
| Response due | Not specified / rolling |
| Status | Open — accepting responses |
| Official source | View original notice |
| Last verified | August 09, 2026 |
Contains public sector information licensed under the Open Government Licence v3.0. Source: UK Government (Find a Tender).
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