Overview

This report presents comprehensive information on, and analysis of, New Zealand’s energy supply and demand for the 2023 calendar year.

Key results for 2023:

  • Electricity generation from renewable sources reached its highest level on record, with the renewable share of electricity generation increasing to its highest level since 1981. 
  • Gas production was up slightly in 2023. Contributing to this increase was to higher production at the Maui field following the completion of its infill drilling in 2022.
  • Overall energy consumption in New Zealand remained relatively unchanged in 2023 compared to the year before, with 30% of total energy consumption coming from renewable sources in 2023. 
  • Residential electricity consumption surpassed the industrial sector for first time to become the largest consumer of electricity. This was due to the continued steady growth in the number of residential users combined with the continued steady decline in industrial consumption. 
  • National average energy intensity was unchanged following steady declines over the last 5 years. This was mainly due to slower economic growth, particularly in the commercial sector which has relatively low energy intensity and is a large contributor to national economic activity. 
  • Consumption of petrol and aviation fuels increased, with the aviation sector continuing to recover following the impact of restrictions on activity and movement as part of the response to the coronavirus (COVID-19) pandemic.
  • The 2023 calendar year marked the first year of fully imported refined petroleum products following the closure of the Marsden Point Oil Refinery ceasing refining operations in 2022.