September 27, 2021 Read More →

South Australia rooftop solar closer to providing 100% of demand

Renew Economy:

Rooftop solar PV has a few important new benchmarks in South Australia, contributing 84.4 per cent of total energy demand on Sunday afternoon, as well as setting a new low for minimum “operational demand”.

The 84.4 per cent rooftop solar share was set in a five minute interval at 1.15pm, on a mild sunny day. It suggests that the state may well deliver on the Australian Energy Market Operator’s predictions that rooftop solar could reach 100 per cent of local demand at some point this spring.

If it does reach that level, it will be the first gigawatt scale grid in the world to do so. It is likely that the 84.4 per cent share reached on Sunday is also unprecedented in any other grid of this size.

AEMO also noted that South Australia – because of the impact of rooftop solar PV – set a new minimum operational demand record of 236MW in the 1.30pm to 2pm settlement interval. This is 21 per cent below the previous record set on October 11, 2020.

AEMO says that during this 30-minute interval, rooftop PV contributed a record 83 per cent of total energy demand, or a total of 1,1341MW. It earlier set a new record aggregate output of 1,177MW in the 12pm to 12.30pm interval.

[Giles Parkinson]

More: Rooftop PV meets 84 pct of South Australia demand, sends operating demand to new low

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