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Climate change is a real global challenge that will affect our communities, our economy and our environment. We produce greenhouse gas emissions from our activities, primarily our thermal and geothermal plant. We’re focused on reducing these in line with the Paris Agreement’s goal of limiting the global temperature increase to 2 degrees Celsius, while also supporting our customers to reduce their emissions.

Our stakeholders and customers have told us that energy resilience is important to them, so we’re committed to maintaining affordable, sustainable and reliable access to energy. We also see commercial opportunities in the transition to a low carbon economy and are open to forging partnerships that enable us to offer low carbon solutions to our customers.
As part of our decarbonisation strategy, we’ve developed a climate change position statement, established science-based emissions reduction targets, and formalised the board’s oversight of climate related matters through the board’s HSE committee. 


Climate change position

  • We know that climate change is a real global challenge that will have significant impacts on our communities, our economy and our environment so we’re committed to taking real steps to address it. 
  • We believe that human activity is accelerating climate change so we are putting our energy where it matters by focusing on reducing our own emissions while supporting our customers and other sectors to reduce theirs. 
  • We recognise that energy resilience is what matters most to our customers so in leading New Zealand to a decarbonised energy system we will maintain affordable, sustainable and reliable access to energy for our customers.
  • We appreciate that the transition to a low carbon economy is a challenge for everyone and will take considerable effort and time, so we’re in it for the long haul. 
  • We believe that how we do things is just as important, if not more, than what we do so we are committed to open, honest and productive partnerships to provide solutions to climate change.
  • We know that the transition to a low carbon future will have long term benefits for everyone, including us.


Our emissions

Our greatest emissions are in our Scope 1 emissions from power generation at our thermal and geothermal operations and through fuel use in our vehicles. We monitor our direct emissions and other discharges to air in line with resource consents and reporting requirements under the Emissions Trading Scheme. Accurate monitoring enables us to track progress against targets and ensure transparency in reporting. In 2018 we are voluntarily reporting our Scope 1, 2 and 3 emissions in line with the Greenhouse Gas Protocol 2004, and we have rebased our Scope 1 emissions to align across the three scopes. We have also applied the operational control consolidation approach, which allows us to focus on those emissions sources that we have control over and have the ability to change. 

This year our emissions from electricity generation increased by 4% on the prior year as a result of low hydro inflows in our catchment over summer and autumn, which required us to run our thermal power stations more to maintain electricity supply. More detail can be found in our Greenhouse Gas Inventory Report.