Stuart Rennie
Managing Director
Stuart is the Managing Director of ENGIE’s Renewable Gas business in the UK and part of the ENGIE UK Country Management Team.
A Chartered Management Accountant, Stuart has two decades of experience in finance, business development, M&A and project development – both in energy and construction – across the UK and Europe.
Stuart joined ENGIE in 2015 and has held various leadership positions in this time, most recently as Finance & Business Development Director at Storengy UK, the largest on shore underground gas storage site in the UK.
Darren Stockley
Operations Managing Director
Darren joined ENGIE UK during its early development to ensure that the team was well focused on delivery of the construction, commissioning and operation of its SPV facilities.
He has 19 years’ experience in renewable energy and waste management and his career focus has been in business turnaround; increasing productivity and profitability and managing sustained business growth.
Darren is extremely experienced in getting projects to financial close, working with funders and creating contracts with suppliers.
Mark Voss
Operations Director
Mark got involved in AD during 2010, becoming one of the early innovators within the UK’s AD sector. He manages all aspects of the operations, health & safety, and environmental compliance for ENGIE UK’s facilities by coordinating Site Managers and local operations teams.
Mark made the transition to renewables from being a leading farm business/nutrition consultant. His expert knowledge of farm nutrition was identified as a key transferable skill in the management of feedstock and diet within the AD sector.
Neil Wright
Project Director
Neil is a chartered Civil Engineer and has over thirty years’ experience in the development, design and construction of power generation projects, including anaerobic digestion, biomass, waste to energy and conventional power plant.
He has led multi-disciplinary design and delivery teams on complex projects from conception to completion. As Projects Director, he is responsible for the delivery of all development projects, both new-build and retrofit.
Charles Kane
Sustainability Director
Charles is based in Cork and manages all aspects of provision of feedstock (+250k t.p.a) and digestate across ENGIE UK’s facilities, including full negotiation and implementation of contracts with suppliers.
Charles has strong experience in large scale agricultural and blue-chip logistics. He is also the company interface with UK energy regulator Ofgem and has successfully achieved accreditation for 48 RHI and FiT accounts, each of which he manages on an ongoing basis.
Rob McKeon
Head of Business Development UK
Rob is currently leading the UK Business Development team at Renewable Gases Europe with ENGIE to support the business and their clients in achieving sustainability goals by increasing the amount of renewable energy produced within our portfolio. He also leads our UK M&A activity in the AD sector, liaising with downstream clients to provide them with renewable biomethane and Green Gas Certificates to support their decarbonisation goals.
Sarah Churchill
Financial Controller
Sarah is a big four trained chartered accountant. After an early career in audit and assurance, She gained a decade of experience business partnering commercial and operational teams, and delivering strategic projects, within an organisation experiencing significant growth and change in the energy infrastructure sector.
Sarah brings robust rigour and discipline to financial reporting, governance, and risk management responsibilities, and supports the executive committee to make informed strategic decisions driving growth and profitability.
Sarah is passionate about environmental sustainability and enjoys an active lifestyle exploring the natural world in her free time.