In 2020, New Zealand generated 42,858(GW⋅h) of electricity with hydroelectricity making up 56%. The installed generating capacity of New Zealand (all sources) as of December 2020 was 9,758(MW), from hydroelectricity, , , wind, coal, oil, and other sources (mainly biogas, waste heat and wood).
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We are working to improve how we collect data on the pipeline of new developments of renewable generation and large-scale load. This will allow us to develop this dashboard to provide ongoing and increasingly sophisticated measures, including expected changes
We are working to improve how we collect data on the pipeline of new developments of renewable generation and large-scale load. This will allow us to develop this dashboard to provide
New Zealand already has a low-emissions electricity system, with over 80% of electricity coming from renewable sources. The key challenge will be to decarbonise other end-use sectors through clean power and support investments in new technologies to achieve deeper emissions cuts across all sectors.
Hydroelectric power in New Zealand has been a part of the country''s energy system for over 100 years and continues to provide more than half of the country''s electricity needs. Hydroelectricity is the primary source of renewable energy in New Zealand. Power is generated the most in the South Island and is used most in the North Island. [1]
New Zealand''s wider renewable capacity continued to grow in 2022, with new records for renewable energy consumption. "Energy consumed from renewable sources accounted for 30% of the total final consumption in 2022, the highest value ever recorded."
New Zealand should weigh its aspiration to achieve 100% renewable electricity by 2030 against the potentially considerable costs associated with achieving the last 2-5% of the target. New Zealand does not yet have a long-term energy strategy in place.
Onshore wind: Potential wind power density (W/m2) is shown in the seven classes used by NREL, measured at a height of 100m. The bar chart shows the distribution of the country''s land area in each of these classes compared to the global distribution of wind resources. Areas in the third class or above are considered to be a good wind resource.
New Zealand''s electricity is mostly generated through renewable sources such as hydro and geothermal energy. Our renewable generation is supplemented by thermal ''peaker'' plants when demand is high or during dry periods when hydro stores are low.
Wind power constitutes a small but growing proportion of New Zealand''s electricity. As of November 2023, wind power accounts for 1,059 MW of installed capacity and over 6 percent of electricity generated in the country.
The only significant proposal for a nuclear power station in New Zealand was the Oyster Point Power Station, on the Kaipara Harbour near Kaukapakapa north of Auckland. Between 1968 and 1972, there were plans to develop four 250 MW reactors at the site.
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In 2020, New Zealand generated 42,858 gigawatt-hours (GW⋅h) of electricity with hydroelectricity making up 56%. The installed generating capacity of New Zealand (all sources) as of December 2020 was 9,758 megawatts (MW), from hydroelectricity, natural gas, geothermal, wind, coal, oil, and other sources (mainly biogas, waste heat and wood).
Early schemes such as the Waipori scheme commissioned in 1903 and the Lake Coleridge power station commissioned in 1914 established New Zealand's use of renewable hydro energy. By the early 1950s, over 1,000 megawatts (1,300,000 hp) of installed capacity was from hydro energy.
Industry is also a major contributor to New Zealand’s GHG emissions and is heavily reliant on fossil fuels. New Zealand has an attractive opportunity to leverage its clean electricity sector to advance electrification as a decarbonisation strategy in other sectors.
“High rainfall topped up New Zealand’s hydro lakes over the winter months, making hydro a major contributor to renewable generation. Hydro generation was 60% of all electricity for 2022, up 4.4 percentage points on 2021,” says Mike Hayward, Manager Markets, Digital, Data & Insights, at MBIE.
Since the closure of New Zealand’s only oil refinery at Marsden Point, all domestic petroleum needs are served by imports of refined products such as petrol, diesel, and jet fuel. Domestic energy supply is derived from either indigenous production or imported from overseas sources.
Genesis Energy's Huntly Power Station in northern Waikato is New Zealand's largest power station – with 1000 MW of coal- and gas-fired generators and 435 MW of gas-only generators, it supplies around 17% of the country's electricity. There is a gas-fired power station in Taranaki at Stratford (585 MW).
The Royal Commission on Nuclear Power Generation in New Zealand was set up in 1976 and reported back to the Government in April 1978. The commission concluded there was no immediate need for nuclear power in New Zealand, but may be economically possible in the early 21st century. The major transmission network.
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