Manawa Energy Limited, formerly Trustpower, is a New Zealand electricity generation company that offers bespoke electricity products to commercial and industrial customers across New Zealand. Manawa Energy has 26 hydro-electricity schemes, with a total of 47 power stations and is New Zealand's fifth largest electricity generator (in MW capacity, GWh output and revenue). The company is listed on the New Zealand stock exchange, but its ownership structure is dominated by its two major shareholders: Infratil which owns 51.0% and the Tauranga Energy Consumer Trust (TECT) which owns 26.8%. The remaining 22.2% is widely held. The company changed its name to Manawa Energy following the 2022 sale of its mass market retail business, retail customer base and the Trustpower brand to Mercury Energy. History Tauranga city In 1913, the Tauranga Borough Council applied to the Department of Lands to have the Omanawa Falls vested in their body corporate for the purposes of water power generation. They also applied under section 268 of the Public Works Act 1908 for a licence to generate electricity. In October 1914, the Public Works Department gave its approval for water to be taken from the Omanawa River to generate electricity and circulate it throughout the borough and surrounding area. With plans underway to build its new Omanawa Falls Power Station the Tauranga Borough Council established on 5 October 1914 a municipal electricity department to market and distribute the electricity that would be produced by the new station. Its supply area ranged from the causeway bridges leading through the town, 17th Avenue in the south to Sulphur Point in the north, a total of 210 square miles (544 square km). In 1915 the borough council hired Lloyd Mandeno as its electrical engineer, with responsibility not only for building the distribution system that will take power from the new power station but also to convince the population of 1,540 to give up their candles, kerosene lamps and town gas for the new untried electricity. By 1924 68 homes out of the 700 in the borough were using electric cooking. Lloyd Mandeno was made chief electrical engineer in 1917. Local citizen R. S. Ready was so sure of the advantages of electricity that he built on 5th Avenue the first house in New Zealand that relied solely on electricity. Mandeno designed a hot water cylinder for the house, that was built from galvanized iron insulated with 150 mm of