Business
Negative prices: South Australia solar farms had to pay to produce in September – RenewEconomy
South Australia’s solar farms paid to produce in September with an average price of nearly minus $10/MWh, while grid constraints also hit hard in Queensland.

“Record low wholesale prices in September resulted in South Australian solar farms having to pay $9.70/MWh to generate,” the Australian Energy Market Operator notes in its latest Quarterly Energy Dynamics report.
Over the whole quarter, the volume weighted average price of large scale solar was $23/MWh, down some 62 per cent from the same time in 2019, while the average price for all electricity produced in South Australia for the quarter was $40/MWh.
There are several reasons for the negative price…
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