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, 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. Wikipedia