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.

Contradictory maze of government policies threatens 1.5°C end goal
“The left hand of the government does not know what the right hand is doing.” Why Australia needs an over-arching strategy for a 1.5°C target.
Rachel Williamson

Jun 28, 2023

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Battery

Genex switches on its first big battery project on time and on budget
Genex says its first big battery is now energised, and will be up and running in time for the summer peak.
Rachel Williamson

Jun 28, 2023

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Wind farm noise and infrasound do not affect sleep, new studies say
Wind farm noise is as disruptive as road traffic noise, Flinders University researchers find.
Rachel Williamson

Jun 26, 2023

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Siemens scraps profit guidance as wind turbine problems generate $1.6bn bill
Siemens Energy says the bill to fix its troubled wind division could pass the €1 billion mark, as it scrambles to get on top of high turbine failure rates.
Rachel Williamson

Jun 26, 2023

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Hydrogen

New 10MW electrolyser to feed gas into homes, experts shake their heads
“We are past 10MW pilots” says one expert, as others worry about perpetuating gas dependency with hydrogen.
Rachel Williamson

Jun 26, 2023

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Electric Vehicles

Jemena sees big rewards for vehicle to grid services – big risks to unmanaged EV charging
A pilot suggests $400-$800 in annual network upgrade savings for each EV owner who lets a third party control their charger.
Rachel Williamson

Jun 21, 2023

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AGL says Australia must build its own wind and solar components as costs rise, ports choked
AGL COO urges governments to revive local manufacturing to prevent ports being choked with energy parts imports, and cited rising costs in wind energy and battery storage.
Rachel Williamson

Jun 21, 2023

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Huge 374 tonne machine travels 900km to join NSW renewable super highway
The 374 tonne piece of kit required a 128 wheel trailer built in France and a 900km journey to move it from Port Adelaide to Buronga in NSW.
Rachel Williamson

Jun 19, 2023

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Worse than passive smoking: Gas stoves emit high levels of cancer-linked benzene
When used at normal cooking temperatures gas stoves and ovens push benzene levels up by as much as 70 times above baseline.
Rachel Williamson

Jun 19, 2023

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Policy & Planning

Problems at two CCS “success stories” cast fresh doubt on the technology
Problems at two long-running Norwegian carbon capture and storage projects are highlighting worrying challenges for the future, report finds.
Rachel Williamson

Jun 16, 2023

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WA raises $1.9bn from state’s first ever green bond to fund 50GW transition
Western Australia raises $1.9 billion to help fund the state’s decarbonisation plans, including big batteries, wind farms and standalone power systems.
Rachel Williamson

Jun 15, 2023

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Solar

Australian startup that sends electricity via lasers wins $3m in seed funding
Wireless charging using laser beams – as envisaged by Nikolai Tesla – comes with risks – but could also solve some interesting grid problems.
Rachel Williamson

Jun 15, 2023

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