Otago electricity demand less than that of other regions

Daily energy demands reached record levels on Tuesday in many regions across New Zealand, including Otago and Southland.

Transpower figures showed the average electricity supply peaked on Tuesday night at 6955MW between 6pm and 6.30pm but was not as high as Monday night's peak of 7049MW.

However, the total daily demand of 136.4GWh did top Monday's 134.7GWh.

In Otago, the energy demand peaked at 152MW just after 1pm, up from 149MW the day before at 10.30am and 141MW at 7.40pm on July 25, during the last cold snap.

Otago's demand was much lower than that of other regions. Southland recorded a high of 1036MW at 10.25am on Tuesday, up from 1026MW at 5.20pm the day before.

Wellington and Christchurch's demand was also higher than Otago's, with 704MW and 503MW respectively.

Delta network services manager Lindsay McLennan said energy use during Tuesday on the Aurora Dunedin network was 1.2% higher than Monday at 3.79GWh.

"This was most likely caused by more businesses' being open, offset by fewer people remaining at their homes compared to Monday."

In Central Otago and Queenstown Lakes, energy use on Tuesday was slightly less with a 1.9% reduction to 1.82GWh compared with Monday, despite the heavier snowfalls in the region.

Supply to 91 customers along State Highway 1 at East Taieri was lost at 2.21am yesterday. Power was restored to most properties by 7.45am without the cause being found, he said.

The supply failed again at 10.55am and a faulty high-voltage insulator was found and replaced. Power was restored at 12.10pm.

rebecca.fox@odt.co.nz

 

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