Transpower has clarified what hydro generators can do when the system is stretched, saying its decision not to allow generators to take more water now puts New Zealand’s security of supply first.

Transpower says it is putting New Zealand's security of electricity supply first, when it comes to deciding when hydro storage held in reserve can be used. Transpower's head of operations Chantelle ...

From this figure and simulation results, if load curve higher than the available generating power curve, it means that PHCES need runs at hydro situation and discharge the system. Instead, PHCES will ...