Articles filed under Technology from Australia / New Zealand

News on the wind turbine front just keeps coming in

The talk in the local community is that five of the 12 turbines at Toora are now shut down because of equipment failure, the warrantee period has expired and they can't get parts. This wind farm is not particularly old and it's now limping along with a 42% reduction in power output. It's probably a good time to get this junk off the Toora hills....... This mucking around with turbines all adds to the cost of something that is nothing more than a hoax, which would all be pretty funny if it wasn't subsidised by the public purse.
4 Jan 2007

Sharks and seaweed inspire green energy

Dr Tim Finnigan at the University of Sydney has formed a company, BioPower Systems, to commercialise the technologies. The wave energy system is called “bioWave” and has long, vertical blades that sway back and forth. Dr Finnigan says that it, “Is the only wave energy system that captures a wide swath of incident wave energy without using a large rigid structure. It is also the only such device that absorbs energy over the full water depth and continually self-orients with the wave direction”.
21 Nov 2006

A chemist inside the greenhouse

Like most really thoughtful environmentally concerned scientists, I'd rather a tiny amount (in metric tonnes or cubic metres, after decades of use) of stored radioactive waste than the unmitigated disaster of millions of tonnes of carbon dioxide released into the atmosphere. And renewables are not realistically and politically going to fill the gap any time soon.
16 Nov 2006

Wind turbines blow in to Coral Bay

Energy Minister Francis Logan has announced plans to build three state-of-the-art, cyclone-proof wind turbines at Coral Bay at a cost of $9.6 million. The 275kw turbines are expected to supply 40 per cent of Coral Bay's energy needs by the end of 2007, and will involve new technologies developed in Western Australia. "The power system will use Verve Energy's technologically advanced control systems and low-load diesel generators which maximise the use of wind energy," he said. "It will also involve the use of wind turbines that can be lowered in the event of a cyclone.
30 Oct 2006

Energy technology 'crucial'

STATE Liberal leader Ted Baillieu has rejected Labor claims he is a "greenhouse sceptic", while mounting a pre-election push for less emissions and cleaner coal. With the environment shaping as a key issue in the lead-up to the November 25 poll, Mr Baillieu yesterday said a Liberal government would set up a greenhouse gas emission fund to foster new investment in low-emission technologies. He said power generation technology was more crucial to Victoria's growth than biotechnology.
25 Oct 2006

New giants put power in perspective

THE GIANTS of Australia's wind energy industry make a person feel very small. Stretching up 135m from base to tip, the V90 turbine tower is the biggest in Australia, a massive structure that weighs in at 400 tonnes when complete. Twenty-five towers are being erected at Studland Bay to complete the second stage of Roaring 40s' Woolnorth wind farm.
22 Oct 2006

Te Apiti conditions force turbine service

“It’s not damage, it’s wear and tear the sort of thing you expect with a new plant.'’ Each turbine is 70m tall and has 35m blades. “It’s a major job it’s a big piece of equipment.'’ He said “less than a dozen'’ of the 55 turbines at the site need replacement parts to be ordered from their Danish manufacturer. The damage is to “gearboxes mostly, and a couple of blades'’, which developed hairline fractures.
26 Sep 2006

Wind Energy: An Overview

Modern interest in wind energy had its origin following the OPEC oil embargo of 1973 when research in alternative energy grew in response to rising oil prices. However, it was not until the turn of the 20th century, with mounting evidence supporting scientific opinion that tied global warming to CO2 emissions caused by fossil fuels, that large-scale wind farming was seriously contemplated.
6 Sep 2006

Coal industry develops clean technology

KERRY O'BRIEN: The Prime Minister has recently argued that nuclear energy is cleaner and greener than fossil fuels. He says it's one of the main reasons he's opened a debate about whether Australia should have nuclear power. But the coal industry counters that it is developing a new type of clean coal technology that will dramatically reduce greenhouse gas emissions. Power stations using this non-polluting form of coal technology could come on stream in the next four to five years. But does it all add up financially? Peter McCutcheon reports.
19 Jun 2006

Eco-dream ends with whimper

The plant initially was to supply green electricity to 10,000 households as well as steam and electricity to industrial users, and reduce greenhouse gas emissions by more than 100,000 tonnes per year. But it has been plagued by operational problems and faced environmental fines for allowing contaminated water to be dumped in the Logan River, killing fish.
5 Jun 2006
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