Meridian is New Zealand's largest electricity generator, operating hydro stations and wind farms in New Zealand and Australia. Nearly 90% of its electricity is generated from low-cost hydro power plants, with wind making up the rest. The company's main competitors are vertically integrated firms, such as Mercury NZ, Genesis Energy, Contact Energy, and Trustpower.Meridian Energy Ltd is engaged in the utilities sector. It generates electricity from renewable sources including water, wind and solar.