The Catalyst stream aims to encourage new ways of working that go beyond business-as-usual innovation practices in the water sector.
In particular it aims to increase and improve collaboration and build partnerships from within and outside the water sector.
Approximately £8 million is available for entries seeking funding from £150,000 up to £2 million.
- Approximately £8 million is available.
- Individual entries can bid for £150,000 – £2 million.
- Entries opened on 3 October 2022 and will close on 8 December 2022 at 12 noon (GMT).
The Transform stream aims to spark ambitious innovation and enable new approaches and ways of working, which will equip the water sector with ways to address the big challenges it faces.
It aims to drive far-reaching and long-lasting benefits for customers, society and the environment across England and Wales, now and into the future.
This round, approximately £30 million is available for entries seeking funding between £2 million and £10 million. Subject to certain conditions, Ofwat is open to accepting entries bidding for greater than £10 million.
- Approximately £30 million is available.
- Individual entries can bid for £2 million – £10 million.
- Subject to certain conditions, Ofwat are open to accepting entries requesting greater than £10 million.
- Stage 1 opened on 3 October 2022 at 12 noon (BST) and will close on 9 November 2022 at 12 noon (GMT).
- Stage 2 entries open on 8 December 2022 at 12 noon (GMT) and will close on 2 February 2023 at 12 noon (GMT).


