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1. [40]Business
Power consumption falls sharply with NZ in lockdown
Tom Pullar-Strecker14:44, Apr 02 2020
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NZ appears in no danger of running out of power during lockdown.
ROBERT CHARLES/STUFF
NZ appears in no danger of running out of power during lockdown.
Demand for electricity slumped 9 per cent last week as the country
entered the coronavirus lockdown, according to figures published by
Transpower.
The national grid operator said New Zealand consumed 683 gigawatt-hours
of electricity, down from 744GWh previously, in the week to Sunday.
Power demand in the North Island fell 10 per cent, while demand in the
South Island fell 6 per cent, it said in a report.
Backing Business
Your guide to getting through
Generation from Genesis Energy's coal and gas-fuelled Huntly power
station halved from 800MW to 400MW as demand fell.
READ MORE
* [46]Broadband and electricity networks won't limit ability to work
from home
* [47]Rio Tinto to close one of four potlines at Tiwai Point
The period covers the three days that preceded the lockdown as well as
the first four days that followed it, so the demand drop in future
weeks attributable to the lockdown is likely to be even higher.
More from
Tom Pullar-Strecker • Senior business reporter
[48]
[email protected]
Transpower said the fall in demand on the first day of the lockdown,
when compared to the previous week, was 12 per cent.
Estimates compiled by Tesla and published in Energy News were that
weather-adjusted demand fell by 15 per cent on the first two days of
the lockdown and by about 9 per cent over the weekend.
The data suggests any increase in power demand caused by people working
from home is likely to be easily offset by the drop in demand from
businesses and industry.
A decision by Rio Tinto to [49]close potline 4 at the Tiwai Point
aluminium smelter should free up 50MW of generating capacity, or 8.4
gigawatt-hours each week, in the lower South Island.
Spark said it had seen a shift in broadband usage, with a doubling of
day-time traffic, and higher night-time peaks, but like broadband
network company Chorus it did not expect any new congestion on its
networks.
Technology director Mark Beder said while Spark had seen significant
growth in daytime traffic, its networks had sufficient capacity to
carry the load.
After [50]a wobbly start to the lockdown period with some failed calls,
the country's mobile networks also appear to be coping with an increase
in voice traffic.
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