Wind and solar curtailment surges in 2025 - the grid needs more batteries, EVs and flexible loads
Wind and solar curtailment surges in 2025 - the grid needs more batteries, EVs and flexible loads https://share.google/Y9hXWpWDrML6n5BVu
Big surge in curtailment of wind and solar farms in 2025 underlines need for yet more storage, more EVs, and more flexible loads in high ren
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Conclusions
The familiar midday surplus continues to form the “Dolphin Curve” profile — a recurring signal of abundant renewable energy seeking load.
With five weeks of 2025 remaining, NEM-wide curtailment appears on course to finish near 8 TWh. The challenge and opportunity lie in converting more of this abundance into useful demand, storage, and transfer.
Construction starts on a big battery next to one of South Australia's largest remaining gas plants as falling storage costs hasten the trans
Federal Labor's Cheaper Home Batteries rebate is expected to have received a whopping 175,000 applications by the end of 2025.
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“Looking at both the pending and approved applications, more than 124,000 batteries representing 2.7 GWh [gigawatt-hours] of capacity were installed by 14 November 2025,” the report says.
“Based on the success of the program to date, we anticipate around 175,000 valid batteries to be installed by the end of 2025, representing around 3.9 GWh of useable capacity.
“To put this in context,” it says, “this is more capacity than the five biggest utility-sized batteries currently operational in the National Electricity Market (NEM) – and all that capacity installed in just six months.
“Around 6 GWh of storage capacity could be installed under the scheme by the end of the 2025-26 financial year,” the CER report adds.
Of course, the huge success of the home battery rebate has not come without some hiccups and concerns, the latest being that the $2.3 billion budget for the Cheaper Home Batteries rebate will be exhausted by mid 2026, when it was intended to underpin the program for four years, until mid-2029.
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“We’re starting to see an increased backlog in orders. So if you haven’t got your order in yet, I think, start moving. Wait times are at least three months.”
Note
Demand supply 🔋🫲🏾 simple
