There is a one-in-ten chance power will be switched off for South Australians this summer to cope with demand.
The threat of load shedding was revealed in the latest national energy market operator's report, and the high price is a factor hurting many businesses.
Government is working on building another electricity interconnector across the border. Energy Minister Dan van Holst Pellekaan says the New South Wales' interconnector is necessary to get South Australia back to where it needs to be with regards affordable, reliable electricity.