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Export Constraints

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Export Constraints

Mt Cass Road - east of the confluence of Omihi Creek and the Waipara River

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Load Shedding: 0%
Updated: 20/12/2019 9:01 a.m.

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Load Shedding

When MPNZ's load shedding percentage exceeds 75%, the bar on the graph should move into a red zone. It signals the USI transmission grid is approaching peak loading and as MPNZ's load shedding percentage approaches 100% there is a reasonable likelihood of new chargeable peak periods occurring.

When the end of the bar is red MPNZ is deploying its maximum load control capability (100%). The longer MPNZ load shedding remains at 100% the more likely new chargeable peak periods will occur on the USI grid. This forms a reasonable signal for consumers to manage their load and to continue doing so until the bar on graph moves down from 100% and ceases to be red at the end.

When the whole bar is white (0%) MPNZ is not controlling any load and the grid will be operating at normal load levels. This bar is updated every 5 minutes.

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