Coal price spike shows how renewables short circuit campaign climate wars


“But at the same time it’s also not as a simple as more renewables will deliver us cheap electricity because batteries still need to fall a lot more in price.”

Futures markets, used by big businesses and electricity retailers wanting to guarantee power supply at a certain price, are also more expensive in NSW and Queensland.

As of last week, contracts for the 2023 calendar year were priced at $123 a megawatt hour in NSW and $111 in Queensland, but just $68 in Victoria and $79 in South Australia.

Experts including Grattan Institute energy program director Tony Wood and Schneider Electric’s Lisa Zembrodt have said the wholesale price hikes will flow onto retail bills.

The latest market snapshot from the Australian Energy Market Operator (AEMO), released on Friday, said higher prices in NSW and Queensland were driven “particularly from black coal generators which set prices more frequently in the northern National Electricity Market states”.


During the 2019 election campaign the Coalition attacked former Labor leader Bill Shorten when he pledged to cut Australia’s emissions 45 per cent by 2030 and increase the share of renewable energy to 50 per cent of the energy grid.

At that time, Energy and Emissions Reduction Minister Angus Taylor seized on modelling of Labor’s policies by BAEconomics’ managing director Dr Brian Fisher, which he said showed Labor’s policies would swing a “wrecking-ball through the Australian economy”.

In the current election campaign, Taylor warned power prices will rise up to $560 because bill payers would bear the cost of Labor’s grid upgrades.

Labor has pledged to invest $20 billion into electricity transmission lines, which would attract $58 billion in private investment.

Prime Minister Scott Morrison said on Friday that global forces had “pushed up the prices of energy” which was “outside of our control”. He harked back to the 2019 election when he warned Labor was “doing it again by having a policy that gold-plates the transmission network that only pushes prices up”.


Labor has rejected the Coalition’s claims and said its plan would increase the share of renewables to 83 per cent of the energy mix by 2030, bringing on cheaper power and lower electricity bills.

“Labor is the only party with an investment in transmission through our Rewiring the Nation policy, bringing more renewables, bringing more stability and lower power prices,” Labor’s energy and climate change spokesman Chris Bowen said on Friday. He said modelling showed prices would fall $275 on average by 2025. Experts are sceptical that Labor’s plan will work.

The Coalition has set a slightly lower renewable target of 69 per cent but hasn’t committed public investment to a program of new infrastructure to link more solar and wind farms to the electricity grid.

Renewables are providing cheaper power to the electricity grid, causing coal plants to close earlier than scheduled. Grattan says the grid can cope without any coal power as soon as 2040 without risking price spikes or blackouts if necessary reforms are put in place.

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