|A wind farm in rural Australia|
According to the Australian Energy Market Operator (AEMO), all new electricity generation capacity in Australia will be from renewable energy. It will mostly be from wind energy, while 13% of that is expected to be from large-scale solar PV, and 3% from biomass.
After years of hearing very little about Australia’s transition from fossil fuels, there has been Sydney’s plan to go 100% renewable by 2030 and a lot of big news in 2013. But the next several years will be even bigger.
According to an IEEE article about the coming growth of renewables in Australia: ”There are nearly 15 800 megawatts of proposed wind generation projects, according to the AEMO. More than 780 MW of the wind power is expected to come online in 2014-2015.”
This massive progress is partially caused by a nationwide carbon tax, which was instated in 2012. According to the IEEE article: ”By 2020, there could be 3700 MW less coal-fired generation, about 13 percent of the country’s total coal power production.”
The dominance of wind generation in this forecast (compared to solar) is largely due to the fact that wind power is cheaper than solar. It is good to see a decent mix of biomass as a part of this. Power plants fueled by biomass can back up solar arrays and wind farms while preventing methane from entering the atmosphere.
Methane is 21 times more potent as a greenhouse gas than carbon dioxide, and biomass power plants usually burn methane, resulting in the emission of the more benign carbon dioxide. This replacement of methane with CO2 has a positive environmental effect.
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