Meridian Energy Limited engages in the generation, trading, and retail of electricity and gas.
Mercury NZ Limited, together with its subsidiaries, engages in the production, trading, and sale of electricity and related activities in New Zealand.
Contact Energy Limited generates, trades in, and retails electricity, natural gas, broadband, and other products and services in New Zealand.
Vector Limited, together with its subsidiaries, engages in electricity and gas distribution, natural gas and LPG sale, gas processing, metering, and telecommunication and new energy businesses in New Zealand.
Infratil Limited owns and operates infrastructure businesses and investments primarily in New Zealand, Australia, the United States, and Europe.
Genesis Energy Limited generates, trades in, and sells electricity to residential and business customers in New Zealand.
Trustpower Limited engages in the development, ownership, and operation of electricity generation facilities in New Zealand.
Tilt Renewables Limited, together with its subsidiaries, develops, owns, and manages renewable energy generation assets.