Northpower has expanded from solely maintaining its own powerlines network in Whangarei and Kaipara to become the largest power lines maintenance company in New Zealand.Established in 1920, Northpower has expanded from a Northland-owned and operated electricity distribution network to become one of the largest multi-utility contractors in New Zealand, with a repuation for excellence and innovation.The Trust was formed to provide consumers with control over their network and to ensure Northpower maintained a uniquely Northland focus.Electrical Design, Construction and Maintenance Services. Anywhere in Northland? Electrical Reticulation - Subdivision and service line specialists? Registered Electricians - Fault finding, electric motors & pumps? Trenching - Cable laying and ducting? Commercial and Industraial Design - installation of wiring, lighting, automation, control and all high voltage equipment? Registered Inspectors - Livening and certification of wiring systems including motorhomes? Testing and Repairs - industrial instrumentation, metering & relays? Arborist