New research from Cornwall Insight finds grid-scale solar farms are paying 10-20% of the cost of providing frequency ancillary services to the National Electricity Market, despite currently generating around 3% of energy in the system.
Grid-scale wind and solar output reached new highs in Q4 last year pushing power prices to a three-year low despite a number of coal-fired generator outages. As Australia’s big PV fleet continues to expand, the National Electricity Market saw the highest output of big PV on record, but also record curtailment.
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