Genesis Energy Limited, formerly Genesis Power Limited is a New Zealand publicly listed electricity generation and electricity, natural gas and LPG retailing company. It was formed as part of the 1998–99 reform of the New Zealand electricity sector, taking its generation capacity from the breakup of the Electricity Corporation of New Zealand (ECNZ) and taking retail customers from three local power boards in the Lower North Island. The New Zealand Government owns a 51% share of the company.
Meridian Energy Limited is a New Zealand electricity generator and retailer. The company generates the largest proportion of New Zealand's electricity, generating 35 percent of the country's electricity in the year ending December 2014, and is the fourth largest retailer, with 14 percent of market share in terms of customers as of December 2015.
Mercury NZ Limited is a New Zealand electricity generation and multi-product utility retailer of electricity, gas, broadband and mobile telephone services. All the company's electricity generation is renewable. Mercury has a pre-paid electricity product sub-brand GLOBUG. Mercury Energy is also the largest electricity retailer in New Zealand.
AGL Energy Ltd is an Australian listed public company involved in both the generation and retailing of electricity and gas for residential and commercial use. It is one of the "big three" retailers in the National Electricity Market. AGL is Australia's largest electricity generator, and the nation's largest carbon emitter. In 2022, 83% of its energy came from burning coal.
Solar power is a major contributor to electricity supply in Australia. As of September 2024, Australia's over 3.92 million solar PV installations had a combined capacity of 37.8 GW photovoltaic (PV) solar power. In 2019, 59 solar PV projects with a combined capacity of 2,881 MW were either under construction, constructed or due to start construction having reached financial closure. Solar accounted for 12.4% of Australia's total electrical energy production in 2021.
Contact Energy Limited is a New Zealand electricity generator, a wholesaler of natural gas, and a retailer of electricity, natural gas, broadband and LPG.
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 Harapaki Wind Farm is a wind farm project in the Hawke's Bay region of New Zealand. Construction began in June 2021 and was completed in 2024. As of 2024 it is the second-biggest wind farm in New Zealand.
Approximately 44% of primary energy is from renewable energy sources in New Zealand. Approximately 87% of electricity comes from renewable energy, primarily hydropower and geothermal power.
Solar power in New Zealand is increasing in capacity, in part due to price supports created through the emissions trading scheme. As of the end of November 2024, New Zealand has 538 MW of grid-connected photovoltaic (PV) solar power installed, of which 172 MW (32%) was installed in the last 12 months. In the 12 months to September 2024, 514 gigawatt-hours of electricity was estimated to have been generated by grid-connected solar, 1.2% of all electricity generated in the country.
The Castle Hill Wind Farm is a proposed wind farm being developed by Genesis Energy. It will have up to 286 wind turbines with potential output of up to 858 MW, depending on what model(s) of wind turbines are selected. The project is estimated to cost more than $1.6 billion and will be New Zealand's largest wind farm.
Renewable energy in the Cook Islands is primarily provided by solar energy and biomass. Since 2011 the Cook Islands has embarked on a programme of renewable energy development to improve its energy security and reduce greenhouse gas emissions, with an initial goal of reaching 50% renewable electricity by 2015, and 100% by 2020. The programme has been assisted by the governments of Japan, Australia, and New Zealand, and the Asian Development Bank.
Electric Kiwi is an independent online New Zealand electricity retailer.
The Pukenui Solar Farm is a photovoltaic power station under construction at Pukenui, near Houhora on the Aupouri Peninsula in the Far North District of New Zealand. The farm will be owned by Far North Solar Farm. When complete the farm will cover 12 hectares and generate 16 MW of electricity. When announced, it was expected to be the largest solar farm in the country when complete.
The Tauhei solar farm is a proposed photovoltaic power station in New Zealand. The farm will be constructed near Te Aroha in the Matamata-Piako District by UK-based Harmony Energy, and will generate 147MW when complete.
The Kohirā solar farm is a photovoltaic power station near Kaitaia in the Far North District of New Zealand. The farm is owned by Lodestone Energy. When complete, the farm will generate 55 GWh of electricity a year, with a nameplate capacity of 32 MWp DC and 23 MW AC.
Lodestone Energy Limited is a New Zealand electricity generation company that specialises in the construction and operation of photovoltaic power stations. As of April 2024, it operates one solar farm, with two more under construction.
Eastland Generation is a New Zealand electricity generation company specialising in renewable energy. As of 2024 it owns and operates three geothermal, one hydro-electric, and one solar power station. The company was originally wholly-owned by the Eastland Group, a regional infrastructure holding company 100% owned by the Trust Tairāwhiti regional infrastructure trust. In May 2024 Eastland Group sold 50% of the company to the Obayashi Corporation as part of a capital raise.
The Kōwhai Park Solar Farm is a photovoltaic power station under construction at Christchurch Airport in Canterbury, New Zealand. The farm will be owned by a joint venture between Contact Energy and Lightsource BP. When complete the farm will cover 300 hectares and generate 162 MW of electricity.
