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Alcoa is to close its Point Henry smelter in Geelong. AAP

Australian aluminium outgunned by cheap, coal-free global rivals

Alcoa’s decision to close the Point Henry smelter, at a cost of almost 1000 jobs in Geelong and elsewhere, comes amid a perfect storm buffeting Australia’s aluminium industry. Point Henry will be the second…
Taste the current. arselectronica

Explainer: what is a Tesla coil?

Picture a reclusive man, dripping with sweat all night in a dark lab, illuminated only by crackling sparks that periodically leap from enormous machines and cast a purple glow across his face. This was…
Cooling towers at Yallourn, one of Victoria’s major brown coal power generators. Flickr/ccdoh1

Is $15 a year really too much to pay for renewable energy?

Australia’s Renewable Energy Target looks likely to be weakened or even axed, with the Prime Minister saying the scheme needs to be reviewed because it is causing “pretty significant price pressure”. But…
Brisbane’s annual City of Lights show, which is sponsored by an oil and gas company. Flickr/Wei Lun Koh (some rights reserved)

When will Australians finally stop wasting our energy?

From flicking on a light to travelling around town, our lives are utterly dependent on energy. That’s why it’s so surprising that Australia has been so bad at thinking about our country’s future energy…
Good news! Christmas electricity consumption might surprise. Malingering/Flickr

What can we learn from looking at electricity use on Christmas day

On Christmas Day in Australia, fewer people are at their paid employment and more working premises are closed than on any other day in the year. How does this affect demand for electricity, widely seen…
Break down the reduction in demand and you’ll find price matters. Nicholas Lieby

Why is electricity consumption decreasing in Australia?

Until 2010, for well over a century, through two world wars and the Great Depression, the quantity of electricity used in Australia each year was greater than the year before. In the three years since…
We need more types of electricity in our mix. Flickr/Chip_2904

Act now on Australia’s power system or pay more later

Australia has a problem with its power system that goes to the core of many issues we’re facing at the moment — increasing coal and gas prices, changing electricity usage, and climate change. That’s the…
The 2011 Tesla Roadster Sports could hit 100 km/h in less than four seconds and be charged from a standard power point. AAP Image/Tesla

Will electricity save the car?

Cars defined the 20th century … [They] shaped the wars that were fought, the way cities developed and how people and goods were moved around … [As] we look to alternative technologies to fuel more than…
How does the power get from there to here? alkhodarev/Flickr

Explainer: how does the electricity grid work?

Where would we be without electricity? Assuming that you own a fridge, there won’t be many points in your life when you aren’t making use of it. But what do we mean when we talk about the electricity grid…
Electricity prices, renewable energy, climate change, uranium exports: what does the Coalition plan to do about our energy future? akeii/Flickr

Where to for energy policy under a Coalition government?

The Coalition has returned to government at a time of uncertainty and rapid change in almost every area of energy policy. With an energy policy released and a responsible minister named, what can we determine…
When it’s hot, the sun is shining. That’s good for solar power. Flickr/jimwhimpey

When the sun don’t shine, the power don’t flow … or does it?

Renewable energy seems to be on a roll. One million Australian homes have rooftop solar cells. There’s so much renewable energy it’s reducing wholesale electricity prices. But then, that old chestnut pops…
It’s up to us where Australian energy heads, but we need to understand the options. Maxine Sherrin

What will Australia’s energy future look like?

If things keep going as they are currently Australia’s energy future is pretty clear. By 2030 we will have seen continued energy price rises and we will still be reliant largely on fossil fuels for our…
Over a million Australians are now green electricity generators: how much difference will the shift to an ETS make? Heidi Blanton

From fixed price to ETS: the complications of reducing emissions

There is little doubt that Kevin Rudd’s plan to bring forward international linking and trading of emission permits is a smart political move. It removes a key option for Tony Abbott. Now Mr Abbott is…
Wind power now contributes 3.8% to the electricity market. Flickr/Bush Philosopher - Dave Clarke

Electricity prices fall: renewable energy deserves merit

Let’s be honest: the relationship between renewable energy and the electricity market is complex. So what does the latest report from Australian energy research firm RepuTex tell us? Well, for a start…

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