News

In May 2023, the electricity spot market experienced extreme price volatility. Spot prices swung between $0.01 and $3,350/MWh. However, despite occasionally hi…

There is currently around 270 MW of installed solar generation in New Zealand. This adds up to about the same capacity of a coal or gas fired Rankine generatio…

The Electricity Authority implemented real-time pricing for the wholesale electricity market in November 2022 in collaboration with Transpower and the wider el…

Electricity demand and generation differ across New Zealand’s two main islands. The South Island has abundant hydro generation, while the North Island contains…

The Electricity Authority monitors how much gas is being used to generate electricity and how the short run marginal cost of gas is changing each month, with c…

The high-voltage direct current cables (HVDC) electrically link the North and South Islands of New Zealand and are a vital piece of national infrastructure. Th…

Over 50% of New Zealand’s electricity is produced by hydro power. New Zealand’s largest hydro schemes, the Waitaki and Manapōuri, are in the South Island. Whil…

New Zealand’s future is electric. More electricity generation is needed to meet increasing demand and to replace fossil- fuel fired generation. Increasing elec…

December 2022 was the end of an immense year in the electricity sector. A dry summer and autumn, which saw hydro lakes levels plummet over several months, was …

New Zealand is a long and thin country, filled with mountains, lakes, volcanoes, cities, and vast plains. This geography impacts New Zealand’s electricity sect…

Why do we need electricity reserves? How does the reserve market impact the electricity market? And what is the future of reserves? Find out in this explainer.…

Electricity in New Zealand is generated by hydro dams, geothermal and thermal power stations, and wind farms. Some of these power stations were built recently,…