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Mercury Energy
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.
Mercury generates most of its energy from nine hydro stations on the Waikato River and five geothermal plants in the central north island as well as a number of wind farms. As of June 2021[update], Mercury had generated 3,611 GWh of electricity through hydro generation and 2,594 GWh through geothermal generation.
Mercury also service industrial and wholesale market customers offering electricity and natural gas products. Since 2022 it has also offered internet fibre broadband services as a bundle for its residential electricity customers. Mercury has offices in Auckland, Tauranga, Hamilton, Rotorua, Palmerston North, Wellington and Oamaru.
In the 1980s, the New Zealand Electricity Department (NZED) (a government department) controlled and operated almost all New Zealand electricity generation and operated the electricity transmission grid. The first phase of deregulation saw the New Zealand Government corporatise the NZED and form the state-owned enterprise Electricity Corporation of New Zealand (ECNZ).
In 1994, Mercury NZ Limited was formed by the Auckland Energy Consumer Trust to own and operate the electricity supply business previously operated by the community-owned local authority, Auckland Electric Power Board (AEPB). That same year, Transpower New Zealand was separated from ECNZ and created as a State Owned Enterprise (SOE) to own and operate the national grid. Four years later, law changes obligated AEPB to sell the electricity retailing and generation part of the business.
In 1996, ECNZ split into two SOEs, ECNZ and Contact Energy. ECNZ was further split into three companies on 1 April 1999 – Genesis Energy, Meridian Energy and Mighty River Power. Mercury's electricity retailing division was sold to Mighty River Power, who continued the trading name Mercury Energy. The electricity distribution business Mercury Energy Limited changed its name to Vector Limited and continued the distribution and transmission operation.
Mighty River Power took over the ownership and operation of the nine hydroelectric power stations on the Waikato River, New Zealand's longest river, and inherited assets of two largely decommissioned oil-fired power stations at Marsden Point, near Whangārei and its share in the Southdown Power Station (in conjunction with the Natural Gas Corporation).
In 2000, Mighty River Power acquired the Rotokawa geothermal power station, to operate and maintain the station, and own the geothermal turbines in a joint venture with the Tauhara North No.2 Trust. Also, that year, Mighty River Power commissioned the Mōkai geothermal power station geothermal power station in a joint venture with the Tuaropaki Trust.
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Mercury Energy
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.
Mercury generates most of its energy from nine hydro stations on the Waikato River and five geothermal plants in the central north island as well as a number of wind farms. As of June 2021[update], Mercury had generated 3,611 GWh of electricity through hydro generation and 2,594 GWh through geothermal generation.
Mercury also service industrial and wholesale market customers offering electricity and natural gas products. Since 2022 it has also offered internet fibre broadband services as a bundle for its residential electricity customers. Mercury has offices in Auckland, Tauranga, Hamilton, Rotorua, Palmerston North, Wellington and Oamaru.
In the 1980s, the New Zealand Electricity Department (NZED) (a government department) controlled and operated almost all New Zealand electricity generation and operated the electricity transmission grid. The first phase of deregulation saw the New Zealand Government corporatise the NZED and form the state-owned enterprise Electricity Corporation of New Zealand (ECNZ).
In 1994, Mercury NZ Limited was formed by the Auckland Energy Consumer Trust to own and operate the electricity supply business previously operated by the community-owned local authority, Auckland Electric Power Board (AEPB). That same year, Transpower New Zealand was separated from ECNZ and created as a State Owned Enterprise (SOE) to own and operate the national grid. Four years later, law changes obligated AEPB to sell the electricity retailing and generation part of the business.
In 1996, ECNZ split into two SOEs, ECNZ and Contact Energy. ECNZ was further split into three companies on 1 April 1999 – Genesis Energy, Meridian Energy and Mighty River Power. Mercury's electricity retailing division was sold to Mighty River Power, who continued the trading name Mercury Energy. The electricity distribution business Mercury Energy Limited changed its name to Vector Limited and continued the distribution and transmission operation.
Mighty River Power took over the ownership and operation of the nine hydroelectric power stations on the Waikato River, New Zealand's longest river, and inherited assets of two largely decommissioned oil-fired power stations at Marsden Point, near Whangārei and its share in the Southdown Power Station (in conjunction with the Natural Gas Corporation).
In 2000, Mighty River Power acquired the Rotokawa geothermal power station, to operate and maintain the station, and own the geothermal turbines in a joint venture with the Tauhara North No.2 Trust. Also, that year, Mighty River Power commissioned the Mōkai geothermal power station geothermal power station in a joint venture with the Tuaropaki Trust.