Westpower Limited is an electricity distribution business based in Greymouth, New Zealand. The company owns and operates the electricity distribution network in the Westland and Grey districts, and part of the Buller District. The company is wholly owned by the West Coast Electric Power Trust.
The company's distribution network consists of of lines, supplying electricity to approximately 13,700 customers. The network covers the towns of Reefton, Runanga, Greymouth, Hokitika, Ross, Franz Josef and Fox Glacier.
Network statistics +Westpower Limited network statistics for the year ending 31 March 2024ParameterValue2024Regulatory asset base$120 millionLine charge revenue$24.6 millionCapital expenditure$4.9 millionOperating expenditure$14.2 millionCustomer connections14,326Energy delivered230 GWhPeak demand36 MWTotal line length2,187 kmDistribution and low-voltage overhead lines1,592 kmDistribution and low-voltage underground cables281 kmSubtransmission lines and cables313 kmPoles20,411Distribution transformers2,536Zone substation transformers22Average interruption duration (SAIDI)208 minutesAverage interruption frequency (SAIFI)2.11
Generation assets
In August 2019 the company's proposed hydro project on the Waitaha River was denied a concession by the Department of Conservation. In 2024 the project was scheduled in the government's Fast Track Approvals Act.
Operational Name Type Location Capacity (MW) Annual generation (average GWh) Commissioned Amethyst Hydro Hari Hari, Westland 7.6 50 2013
Proposed / under construction Name Type Location Projected capacity (MW) StatusWaitaha Hydro Waitaha River, Westland 23 Proposed
References
External links