Curtailment Archives - Renew Economy

Commentary

The hours the market wants back: Free daytime power, or a fix for solar and wind curtailment?
What does it mean when an offer appears consumer-friendly but is also system-convenient? And what becomes visible when price is placed beside curtailment rather than read in isolation?
Geoff Eldridge

Apr 14, 2026

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Storage

“Extraordinary:” Battery storage prices plunge again, as wind and solar curtailment levels soar
Plunging cost of battery storage is occurring at just the right time in Australia, which is experiencing unprecedented levels of wind and solar curtailment on its main grids.
Giles Parkinson

Sep 8, 2025

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Commentary

Should we worry about wasting renewables? Why “spilling” excess power is expected – and efficient
At face value, energy “spilling” seems like a terrible waste of solar and wind, especially in light of the pressing need to reduce emissions. But the story is more complex.
Dylan McConnell

Jun 5, 2024

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Policy & Planning

Victoria caps access for solar and wind in new renewable zones, to avoid curtailment and buoy investors
New state access regime aims to “substantially reduce” the risk new projects will be subject to curtailment and improve certainty for investors and developers.
Rachel Williamson & Sophie Vorrath

Jun 4, 2024

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Solar

Howdy neighbour! First-timer wants to plant huge renewable hub next to existing solar project
Real estate investor proposes first stage of a giant renewable hub south of Townsville, next to an existing solar farm with similar aspirations.
Rachel Williamson

Apr 29, 2024

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Battery

Biggest battery facility in NSW is now fully operational
The BESS comes online as batteries generally begin to have a noticeable influence on the energy market.
Rachel Williamson

Oct 9, 2023

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Solar

Some households lose 20 per cent of their solar output from grid curtailment
New study shines a light on the problem of rooftop solar curtailment and how some households are being affected by it much more than others.
Sophie Vorrath

Mar 30, 2022

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Value of Australia’s solar projects are being dented by growing curtailment issues
New Energy Solar says curtailment issues complicated its exit from Australian market, particularly at Manildra solar farm where output fell 40pct.
Michael Mazengarb

Aug 31, 2021

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Renewables

Solar and wind curtailment reached record levels in 2019, says AEMO
AEMO says curtailment reaches record levels – partly due to new constraints on solar farms in Victoria and NSW, and to impacts of negative pricing events.
Sophie Vorrath

Feb 10, 2020

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Renewables

Wind curtailment falls to one per cent in South Australia
Curtailment of wind generation in South Australia falls to just one per cent in latest quarter.
Sophie Vorrath

May 7, 2019

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CleanTech Bites

Look, no batteries! How “flexible” solar can help the grid, without storage
New study shows that solar plants can provide flexibility for grid operator that reduces use of thermal generators and battery storage, and delivers even lower emissions.
Giles Parkinson

Nov 6, 2018

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Renewables

Intervention in South Australia jumps as gas shuts down
AEMO says it had to intervene more than 60% of time in April/May, mostly because gas generators were absent due to repairs.
Giles Parkinson

Aug 15, 2018

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