Severn Trent Water AMP8 Frameworks & Supplier Opportunities
Severn Trent Water accepted Ofwat's PR24 final determination in December 2024. Total expenditure allowance of £15bn for 2025-30 — almost double the AMP7 allowance of £8bn. Largest ever investment programme.
£15bn
AMP8 Investment
4.5 million
Customers Served
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Severn Trent WaterAMP8TendersFrameworksWest & East Midlands
PR24 Status: Accepted FD (Dec 2024)
Key Facts
Serves 4.5 million homes and businesses across the Midlands
£15bn totex allowance for AMP8 — almost double AMP7's £8bn
Accepted Ofwat's PR24 final determination December 2024
Bills rising ~47% in real terms over AMP8 period
Operational net zero target by 2030
AMP8 Investment Programme — Key Priorities
1,389km of new water mains replacement — £408m programme, insourcing ~400 new technicians
Storm overflow improvements — £1.2bn to halve average spills by 2030 across 2,428 overflows
River water quality — target of just 2% rivers not achieving good status (RNAGS) by 2030
One million smart meters installed for customers 2025-30
16% leakage reduction target
Grand Union Canal scheme — new pipeline linking canal infrastructure (£150m allowance)
Wanlip STW — largest single scheme ~£50m transitional expenditure
30% reduction in CSO spills and pollutions
Net zero operational carbon by 2030
Confirmed Framework Appointments
Legal Services Panel £30m, 4 lots (awarded Feb 2025)
AMI network for 1 million smart meters — major AMP8 contract awarded 2025
Costain — £45m Rugby Newbold STW upgrade (Jun 2026) — principal contractor and designer for activated sludge plant upgrade at Rugby Newbold Sewage Treatment Works. 28% dry weather flow capacity increase to meet AMP8 WINEP requirements. DfMA approach. Completion 2028.
Water Process Treatment Hire Framework — Market Engagement Open (Jun 2026) — preliminary engagement to explore framework for temporary treatment solutions across the network. Suppliers of mobile/temporary water treatment plant should respond now to shape the framework ahead of formal procurement.
Barhale — £9.5m Network Resilience Scheme, Stoke-on-Trent (Jun 2026) — separating surface water from the foul sewer system and improving water quality in local watercourses. Tier 2 civil and drainage specialists should engage Barhale's supply chain team for subcontracting opportunities (drainage, civils, sewer separation, groundworks).
£44.88m AMP8 Tank Cover Systems — LIVE TENDER (RTP closes 2pm 22 July 2026) (Jun 2026) — design, supply and installation of GRP and aluminium tank covers across water and wastewater treatment assets, targeting ~20,000 tonnes CO2e reduction across ~23 sites as part of the Net Zero Investment Programme. Requests to Participate close 2pm 22 July 2026. GRP and aluminium cover manufacturers and installation contractors must act immediately.
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How to Find Severn Trent Water Tenders
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Supply Chain Route Map
Water company frameworks operate on a tier structure. Tier 1 contractors hold a direct contractual relationship with Severn Trent Water. Tier 2 and Tier 3 specialists subcontract through Tier 1 framework holders. If you cannot win a Tier 1 position, approach the Tier 1 framework holders above to discuss Tier 2 opportunities — framework holders actively need to build specialist supply chains.
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