Bay of Plenty RETA – Geothermal Energy Assessment


The Regional Energy Transition Accelerator (RETA) project driven by the Energy Efficiency and Conservation Authority (EECA) aims to develop an understanding of what is needed to decarbonise each region in New Zealand.

The objective is to develop a well-informed and coordinated approach for regional decarbonisation by understanding unique region-specific opportunities and barriers when developing regional energy transition roadmaps. It is EECA’s intention to make available the information required to optimise the choice of sustainable energy options in the transition away from fossil fuels.

This report developed by GNS Science introduces the reader to the key concepts of geothermal energy use for heat supply and various applicable regulatory regimes, including relating to geothermal greenhouse gas emissions and the Climate Change Response Act 2002 and regulations. Analysis of data from these identifies that significant operational greenhouse gas emission reductions (compared with natural gas providing heat for the same duty) can be achieved using geothermal and ground source heat pump (GSHP) technologies.

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