Rachel Williamson, Author at Renew Economy

Rachel Williamson

Contributor

Rachel Williamson is a science and business journalist, who focuses on climate change-related health and environmental issues.

Solar

Australian researchers almost double perovskite cell efficiency with graphene layer
Australian perovskite cell company and QUT researchers discover they can nearly double perovskite cell efficiency by using lower cost graphene.
Rachel Williamson

Sep 11, 2025

0
Policy & Planning

The forgotten resource of Australian energy: That is you, the consumer, and your new home battery
A new report says despite decades of work users are still not able to fully play in energy markets, but a few tweaks and the new battery rebate could help.
Rachel Williamson

Sep 11, 2025

0
Policy & Planning

Consumers to see energy use in real time under new rules that also make it easier to switch utilities
New rule to require all new smart meters to be able to give households real-time energy data, while another new rule promises to make it easier to switch utilities.
Rachel Williamson

Sep 11, 2025

2
Solar

SunCable says local data centres now first priority for massive solar and battery project
SunCable now focusing on near term opportunities with data centres, which it hopes to power from the late 2020s.
Rachel Williamson

Sep 10, 2025

4
Policy & Planning

Queensland LNP accused of breaking election emissions vow with coal-keeper plan
Queensland plans to keep its state owned coal generators running longer, clouding the opportunities for new renewables and putting its climate targets at risk.
Rachel Williamson

Sep 10, 2025

2
Wind

Industry braces for more shocks in Queensland as LNP “calls in” two more wind and battery projects
Two large wind and battery projects have been “called in” by LNP government, and have one more month to respond to lengthy list of questions from planning minister.
Rachel Williamson

Sep 9, 2025

6
Markets

Regulator outlines fears of AIs and battery trading collusion, but home batteries could save the day
A just-published paper from AEMC reveals its concerns about potential AI collusion in battery trading, but says home batteries could offset some of the impacts.
Rachel Williamson

Sep 9, 2025

8
Wind

New owner shrinks size of contested wind project to manage concerns about native clearing
Contested wind and battery project was hit by media allegations of major land clearing last week, but the new owner says the final design is still under review.
Rachel Williamson

Sep 8, 2025

2
Wind

Acen scores second EPBC approval in a week, as biggest CIS tender winner given federal green tick
Acen Australia has seen two massive, and contested, wind projects approved under the EBPC in the last week.
Rachel Williamson

Sep 4, 2025

3
Climate

Single Queensland coal bore emits as much methane as 10,000 cars, new study shows
A single abandoned gas bore in Queensland is emitting as much methane as the equivalent of 10,000 cars a year. And there are 130,000 of these bore holes.
Rachel Williamson

Sep 3, 2025

8
Renewables

Queensland’s latest wind farm kill sends shockwaves through renewables industry
Developers and investors are warning that if Queensland wants any clean energy investment at all, it must stop randomly cancelling projects.
Rachel Williamson

Sep 3, 2025

8
Policy & Planning

Fury over fines eclipses promise of payments in new laws on transmission access
There’s more to the new electricity infrastructure laws in Victoria than the controversial farmer fines, but you’d never know from the headlines.
Rachel Williamson

Sep 2, 2025

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