Meridian Energy Limited is New Zealand's largest electricity generator and retailer, producing power from 100% renewable sources including seven hydroelectric power stations on the Waitaki River and at Manapouri, five wind farms across both islands, commercial solar arrays, and an expanding portfolio of battery storage and EV charging infrastructure; it retails electricity to over 270,000 residential, commercial, industrial, and farm customers through its Meridian and Powershop brands, alongside energy management software via Flux Federation, insurance services, and professional consultancy through subsidiaries like Dam Safety Intelligence Limited. Founded in 1999 as part of the Electricity Corporation of New Zealand breakup and headquartered in Wellington, the company operates primarily in New Zealand with historical wind and hydro assets in Australia, generating approximately 30% of the country's electricity and targeting decarbonization through initiatives like a nationwide EV charging network exceeding 200 points, solar buy-back plans, and community tree-planting offsets. Recent developments include the July 2025 High Court-approved acquisition of NZ Windfarms Limited for NZ$91 million to consolidate control over the Te Rere Hau wind farm repowering project increasing capacity to 170MW, the August 2025 finalization of a 50-50 joint venture with Nova Energy for the 400MW Te Rahui solar PV plant near Taupō supported by NZ$300 million financing and construction underway for first power in mid-2026, and a May 2025 agreement to acquire Z Energy's Flick retail electricity business for NZ$70 million expanding its customer base.