JERKS >>> The Origin document continues in its criticism of policy which promotes renewable energy such as wind over more economic forms of greenhouse gas abatement:
The economic cost of gas-fired generation is lower than wind generation—the combined capital and running costs of a gas-fired power station are approximately half that of a wind turbine (adjusted for the intermittency of wind and including higher running costs of running a gas-fired power station);
Gas-fired generation is a more cost-effective source of greenhouse gas abatement than wind generation—at approximately half the economic cost, a gas-fired power station reduces emissions up to twice as much as a wind turbine, because of the better utilisation of the gas-fired power station and the relatively low emission intensity of gas-fired electricity (which makes gas at least 4 times more cost-effective on a $/tCO2 basis than wind);
Gas-fired generation is more reliable than wind generation which is reliant on the vagaries of nature—gas-fired generation can be turned off and on to meet demand requirements while wind generation is regarded as firm for about only 8 per cent of the time (according to ESIPC in South Australia);
Gas-fired generation can provide much larger increments to generation capacity to satisfy growing demand—a large scale gas-fired power station may be up to 1000MW which is all available to generate on average 95 per cent of the time compared to a 1000MW of wind generation which is available to generate on average 33 per cent of the time; and
Diversity and security of supply are improved by gas-fired generation and diminished by wind generation—gas-fired power stations stimulate gas supply sources (potentially expanding the range of viable gas production in regional Victoria available for other uses) and connect to the transmission system (potentially in more remote areas) without lowering supply security (as would be the case with wind)[8]
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