Russell Shaw


Chief Executive

As an electrical engineer with over 25 years’ experience in the utility sector, Russell has significant experience in strategy, management, risk and operations with extensive knowledge of asset management, performance improvement and engineering. Prior to joining Top Energy in 2008, Russell was General Manager for Operations at WEL Networks where he led WEL’s Asset Management, Procurement and Field Services groups of over 150 staff. Prior to this Russell was a partner with UMS Group, a global utility management consulting group. Russell is a Chartered Electrical Engineer, has an honours degree in Electrical and Electronic Engineering, an MSc in Engineering Business Management and is a Fellow of the Institute of Engineering and Technology and Engineering NZ. He is also a member of the NZ Institute of Directors.

“Ngawha Geothermal Field Development

Russell Shaw, Chief Executive of Top Energy Group will present a paper detailing the development of the geothermal field at Ngawha from the early Ministry of Works developments through to the present day.

The paper will particularly focus on the most recent developments with the commissioning of the 15MW OEC3 in 2008 and the planned commissioning of the 32MW OEC4 in November 2020. Recent field modelling techniques will be  reviewed as will well testing results. There will also be a discussion on the Non Condensable Gasses (including CO2) which occur in the field and how these have changed over the past 20 years of geothermal generation.