Untitled design - 2026-07-02T133251.528

John Millen

Asset Manager

John has worked in construction for 25+ years, 13 years of which have been in the renewable energy sector. He has extensive knowledge of the design, build and asset management of wind, solar PV, hydro-electric projects and low-carbon heating installations.

Project experience ranges from wind turbine repowering in Northern Ireland, hydro-electric installations in the Lake District & Snowdonia, geothermal heating of Tate Modern and commercial rooftop solar in Swindon town centre.