Susan Davy served as Chief Executive Officer of Pennon Group until 1 April 2026 – with ownership of water companies in the greater South West; South West Water, Bournemouth Water and Bristol Water. She has been in the sector for over 25 years, having served as Pennon’s Chief Financial Officer for the previous five years. 

She is a Non -Executive Director and Audit Chair of  Restore PLC and was a founding member of A4S (Accounting for Sustainability) a CFO leadership network.  

In addition, she is a member of the CBI President’s Committee and her passion for the South West, led her to become Chair of the CBI South West between 2018 and 2021. She is currently Deputy Chair. 

https://www.linkedin.com/in/susan-davy-0a37a237/

Who are Pennon Group?

Founded in 1989, Pennon Group is a FTSE 250 listed company and one of the leading businesses in the UK water sector, providing clean water and wastewater services through their businesses across the Great South West, serving a population of c.3.5 million, across nine counties and c.380,000 business customers across the UK.

Our largest business, South West Water provides water and wastewater services to a population of c.1.8 million in Cornwall, Devon and parts of Dorset and Somerset, which increases to c.10 million of seasonal visitors during the year.

Regulated water and wastewater services

Pennon acquired Bristol Water in June 2021 and gained CMA clearance in March 2022. The merger of South West Water and Bristol Water completed on 1 February 2023 with the combined water business now operating under one licence. 

Bournemouth Water, previously acquired by, and merged with South West Water, provides water only services to a population of c.0.5 million people in parts of Dorset, Hampshire and Wiltshire. 

SES Water was acquired by Pennon Group in January 2024. They supply 160 million litres of clean water every day to over 750,000 people in parts of Surrey, Kent and south London. Their supply area is 322 square miles extending from Morden and South Croydon in the north to Gatwick Airport in the south and from Cobham, Leatherhead and Dorking in the west to Edenbridge in the east.

B2B retail services

Pennon Group is the majority shareholder of Pennon Water Services Limited, a water specialist company providing water retail services to non-household customer accounts across Great Britain with a 6% market share. Pennon Water Services is an 80:20 joint venture with South Staffs.

Through their acquisition of Bristol Water, they acquired a 30% share in water2business, a joint venture with Wessex Water – led by a strong team who are focused on delivering an outstanding customer experience. With a c.6% market share, water2business offers tailored water and wastewater management helping customers improve efficiency and deliver savings.