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Wind farm’s connection to power grid causes lights to flicker across South Australia  

Credit:  Wind farm connection causes lights to flicker across South Australia | Third-party grid connection causes lights to flicker across South Australia | www.abc.net.au ~~

A connection between Port Augusta Renewable Energy Park and the national electricity grid is under investigation for causing lights to flicker and dim across South Australia for hours this morning.

Energy distributor ElectraNet said the privately-owned power generator connected its new wind farm to the grid in South Australia’s north about 1:30am, causing a “voltage issue”.

There have been widespread reports of house and street lights flickering across the state as a result.

South Australian Energy Minister Tom Koutsantonis said the issue was not related to AEMO’s gradual end to its intervention to wholesale price caps, which started from 4am and would go for 24 hours.

The minister stopped short of assigning blame but said it could be “a connection issue”.

“We don’t know what the actual cause is. We know the source of the problem but we don’t know who was causing it,” he said.

“It could have been [the] renewable energy park, it could have been ElectraNet.”

ElectraNet said it worked with the Australian Energy Market Operator (AEMO) to identify the cause and the third party was disconnected from the network.

It said power supplies returned to normal about 5:30am.

ElectraNet interim chief executive Rainer Korte said the fluctuations had less of an impact than they otherwise would have because the wind farm generator concerned was only in the commissioning phase.

“We don’t like to see these impacts, but the reason we take a cautious approach to commissioning the gradual release of capacity is exactly for this reason – to identify any issues and limit the impact of any issues that may be identified,” he said.

Mr Koutsantonis said large operators such as GFG and BHP noticed the “voltage fluctuations”.

He denies there was an inherent problem with renewable energy.

“I don’t think it was anything malicious or dangerous. I just think it’s probably testing, probably either a new generator that’s attempting to establish its connection to the grid after commission,” he told ABC Radio Adelaide this morning.

“There was testing and as demand started to increase into the day, they pulled the testing and the flickering stopped.”

Premier Peter Malinauskas said ElectraNet controlled the transmission lines from power stations to localised networks.

“The transmission lines issue sits with ElectraNet and apparently there’s a frequency issue there with one of their feeders,” he said.

“I understand there is an investigation underway from AEMO with ElectraNet.”

AEMO last week suspended the market and directed generators to pump power into the network to keep lights on.

Source:  Wind farm connection causes lights to flicker across South Australia | Third-party grid connection causes lights to flicker across South Australia | www.abc.net.au

This article is the work of the source indicated. Any opinions expressed in it are not necessarily those of National Wind Watch.

The copyright of this article resides with the author or publisher indicated. As part of its noncommercial effort to present the environmental, social, scientific, and economic issues of large-scale wind power development to a global audience seeking such information, National Wind Watch endeavors to observe “fair use” as provided for in section 107 of U.S. Copyright Law and similar “fair dealing” provisions of the copyright laws of other nations. Send requests to excerpt, general inquiries, and comments via e-mail.

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