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John developed and manages Delta-ee’s Distributed Power Service (DPS), providing global market insight in the fields of gas engines and gas turbines used within stationary power applications. In addition to the DPS, John leads Delta-ee’s CHP research, providing clients with bespoke consultancy and market intelligence. Prior to joining Delta-ee, John spent 4 years with E.ON New Build & Technology during which he worked on developing new-build biomass plants and commercialising innovative community energy solutions including anaerobic digestion, bio-fuels and advanced combustion technologies.

John holds an MChem in Environmental Chemistry from the University of Edinburgh.

Steven currently manages both our Heat Insight Service and Gas Heating Service, leading our research in each of these fields. He joined us from Energy Saving Scotland / Changeworks in 2011, where he worked as an Energy Advisor. 

Steven holds an MSc (Distinction) in Climate Change: Impacts and Mitigation from Heriot-Watt University and an MA (Hons) in Geography from the University of Edinburgh.

Lindsay is Principal Analyst at Delta-ee, directing and managing consulting projects, and providing strategic input to Delta-ee’s research services. She is Delta-ee’s knowledge lead in the heat pump research area, and developed and set up the now long-running Heat Pump Research Service. She regularly leads research and consultancy assignments for major technology manufacturers, utilities and policy makers across Delta-ee’s core areas of expertise. Based in Denmark, she has a strong focus on knowledge and client management in the Nordic markets.

Lindsay joined Delta-ee in 2007 following a PhD in Geoscience and a MA (1st class hons) in Geography from the University of Edinburgh.

Jon has over fifteen years experience in the decentralised energy and low carbon sectors. A founding director of Delta-ee, he leads our work with utilities, helping them develop decentralised energy and low carbon strategies and tactics. Jon’s expertise spans the decentralised energy space, with a particular interest in microgeneration, low carbon strategies and the integration of decentralised resources into energy systems. Previously Jon worked for Platts, managing E Source’s distributed energy research, and the UK’s Energy Saving Trust.


Jennifer is has nearly 10 years’ experience in the Energy Sector and since joining Delta-ee in 2010 she has been instrumental in developing new research service offerings around heat, including developing our internal customer research and building our capability in technology forecasting, strategic support and scenario development. In 2012 she co-authored a ground-breaking report on pathways for domestic heat to 2050 commissioned by the ENA, and she continues to be involved in high profile consulting assignments for our major clients.

Jennifer holds an MSc (distinction) in Ecological Economics from the University of Edinburgh.

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Stephen developed and manages Delta-ee's Pathways Tool and Roadmap Service and leads our ongoing research in this field - forecasting the future of domestic heating in different European countries.  He also developed Delta-ee's Microgeneration Insight Service which includes customer research and microgeneration uptake forecasts for the UK.  Since joining Delta-ee in June 2008, Stephen has managed a wide range of client assignments including topics such as solar PV, smart home energy management systems, fuel cell micro-CHP, electric vehicle recharging infrastructure and heat pumps. Stephen completed an MSc in Sustainable Energy Systems and a BSc in Mathematics at the University of Edinburgh.

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Delta-ee Bloggers

98 posts
Andy Bradley
15 posts
Stephen Harkin
6 posts
Jennifer Arran
13 posts
Jon Slowe
21 posts
Lindsay Sugden
12 posts
Steven Ashurst
14 posts
John Murray
16 posts
Nigel Timperley
2 posts
Arthur Jouannic
19 posts

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