# Acciona Agua UK wins £400 million Thames Water Coppermills upgrade contract

Thames Water has awarded a £400 million contract to Acciona Agua UK Ltd for the major upgrade of its Coppermills Advanced Water Treatment Works, including a new High Lift Pumping Station and other treatment systems, with work scheduled to begin in spring 2026.

- Type: Contract
- Announced: 2025-05-13
- Where: Coppermills, London, United Kingdom
- Value: $500.0M (400.0M GBP)
- Status: announced
- Capacity: 700 Ml/d High Lift Pumping Station, 260 Ml/d Slow Sand Filter Recirculation system
- Products: water treatment works upgrade, pumping station, slow sand filter system, cryptosporidium treatment system
- Sectors: [Water Treatment Equipment](https://endata.com/sectors/water-treatment-equipment.md)

## Companies

- [Thames Water](https://endata.com/companies/7043.md) (customer)
- [ACCIONA](https://endata.com/companies/15903.md) (partner)
- [Acciona Agua UK](https://endata.com/companies/84711.md) (supplier)

## Sources

- [waterbriefing.org](https://waterbriefing.org/home/contracts/item/23675-acciona-agua-uk-ltd-wins-%C2%A3400-million-amp8-contract-for-major-upgrade-of-thames-water-coppermills-awtw), 2025-05-13: "Thames Water has awarded the major £400 million AMP8 contract for the significant upgrade of its Coppermills Advanced Water Treatment Works to Acciona Agua UK Ltd."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.