Penhallurick joins the energy from waste (EfW) provider having been group counsel for UK projects at WRG. Her time at the company included a role in closing the Wrexham waste PFI.
Her experience includes work across the energy and telecoms sectors and includes work on PFI and PPP projects.
Penhallurick’s 15-year legal career has also seen her work with National Grid and GEC subsidiary GPT.
Covanta’s managing director Malcolm Chilton said of Penhallurick’s appointment: “Her legal experience will further strengthen Covanta’s UK offering. We pride ourselves on having the sound knowledge and expertise to help meet the growing needs of local authorities across the UK.”