Geoff Eldridge, Author at Renew Economy

Geoff Eldridge

Contributor

Geoff Eldridge is a National Electricity Market (NEM) and Energy Transition Observer at Global Power Energy.

Commentary

The quiet battery: What household batteries reveal about flexibility before full orchestration
The passive battery is not a new phenomenon. What is new is that its value is becoming harder for the formal market conversation to ignore.
Geoff Eldridge

Jun 12, 2026

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Chart of the day

Wind, solar and battery records tumble on last day of Autumn in Australia’s most coal dependent grid
Renewable records usually fall in spring, but in Australia’s most coal dependent grid a new peak was reached one day before winter, and batteries played a key role.
Geoff Eldridge

Jun 1, 2026

6
Commentary

When the grid and home batteries teach consumers to withdraw from the market
If consumers use batteries mainly to reduce exposure, what does that mean for a grid that increasingly needs flexible participation?
Geoff Eldridge

May 21, 2026

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Storage

Big batteries set new charging records, despite lack of price volatility
Big batteries are doing two things at once: earning routine margin from ordinary solar-shaped days, while remaining available for volatile trading and price peaks.
Geoff Eldridge

May 4, 2026

3
Battery

From footnote to feature: How batteries are evolving on the national electricity market
The question is becoming less about whether batteries matter. It is how visible, coordinated, and useful they become.
Geoff Eldridge

Apr 27, 2026

0
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

7
Renewables

Queensland’s energy transition in one day: Record wind, strong batteries, persistent curtailment
Queensland set two new instantaneous power generation records over the weekend, offering a useful snapshot of how the state’s supply mix is evolving across the full day.
Geoff Eldridge

Mar 17, 2026

6
Commentary

Minutes vs megawatt-hours: What changes when weather forecasting becomes a form of infrastructure?
When a growing share of electricity generation depends on sunlight, the ability to predict earlier and respond faster can start to matter as much as owning megawatt-hours.
Geoff Eldridge

Feb 24, 2026

1
Commentary

What South Australia is really offering the world through its energy transition
Leadership resides in what is learned when ambition meets complexity, when systems resist, and when institutions choose to keep working rather than reset to defaults.
Geoff Eldridge

Jan 29, 2026

3
Chart of the day

Wind, solar and batteries smash output records in midst of pre-Christmas heatwave
Near-record demand creates important window into how much renewable capacity is available across the system when load is high.
Geoff Eldridge

Dec 19, 2025

3
Chart of the day

Big batteries hit more than 40 pct of early morning demand, before rooftop PV floods the grid
Big batteries dominate early morning peak with 40.6 of demand because prices too low for gas and as rooftop PV floods the grid for rest of day.
Geoff Eldridge

Dec 8, 2025

9
Renewables

Wind and solar curtailment surges in 2025 – the grid needs more batteries, EVs and flexible loads
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 renewable grid.
Geoff Eldridge

Nov 27, 2025

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