A decade in charge of the national power grid
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26 күн бұрынAfter ten years at the helm of Transpower, chief executive Alison Andrew is stepping down. She reflects on a tumultuous decade of managing Aotearoa’s most important network, and why she considers being relatively unknown in the public arena as a mark of success.
This interview was recorded shortly before a Transpower pylon collapsed in Northland on June 21st, causing widespread power outages in the region. The collapse was caused by contractors who failed to observe proper procedure while carrying out routine maintenance.
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@ooo-vc4xl 24 күн бұрын
Was resilience fully considered.? There was only one line into Northam d where the pylon fell over? Given NZs 80%+ renewals and more in the future the full network needs redundancy in it.
@ooo-vc4xl 24 күн бұрын
In terms of power pricing all generators get paid the marginal (highest) cost of the highest cost generator providing power in each hour. Ie each generator is receiving payment equal to or greater than their marginal cost. In no other market does this occur and especially under perfect competition. This is the absurdity of running the power generation market as competitive. A non profit SOE running a system optimal generation system would have been far better for NZ. We would all be paying closer to the average cost of generation rather than in excess of the marginal cost. This is especially true given the 1:1 correlation between GDP and energy use.
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