From RenewEconomy
The state of Victoria has established a new record share of renewables, reaching a peak of 83.8 per cent of state demand in the early afternoon on Easter Sunday, April 17.
According to data analyst Geoff Eldridge, from the data collection site NEMLog, the new record was established at 1.10pm (AEST) with wind the biggest contributor, followed by rooftop solar and large scale solar. There was a negligible amount of hydro generation at the time.
It beats the previous record of 79.6% reached on October 27 last year, and came as South Australia set a new record for that state’s grid of 136.6 per cent instantaneous renewables earlier in the day.
Spring and autumn are usually the seasons when renewables records are set, due to moderate demand with the absence of air conditioning, and records are often established on weekends or public holidays.
Another data source, OpenNem, put the share of renewables at 1.10pm at an even higher number of 85.3 per cent. It was not immediately clear the cause of the difference.
The share of wind and solar might have been higher had some facilities not decided to dial down their output, or cease generation entirely, as a result of negative prices.
Had they not done so, the share of wind and solar would have peaked at 99.8 per cent around an hour earlier.Over the past 12 months, Victoria has averaged a 34.8 per cent contribution from renewables, although only just over 31 per cent in the past 30 days.
New wind farms off the Victorian coast will provide at least 20% of Victoria's electricity. So over the next couple of years, renewable production will routinely exceed 100% of Victoria's demand, while the annual average for renewables will head towards 60%.
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