Queensland's Labor government says it has no plans to shut down state-owned coal-fired power stations so it can meet its renewable energy target.
Energy Minister Mark Bailey has rubbished a new analysis of Labor's 50 per cent renewable target by 2030, which warns of power station closures and an increased risk of widespread blackouts.
He says the analysis is the work of former LNP federal candidate Jonathan Pavetto, and claims of plant closures are politically-driven nonsense.
"We have got no plans to close any of them," Mr Bailey has told ABC radio.
"Mr Pavetto was intimately involved in the privatisation program as a consultant by Tim Nicholls and Campbell Newman ... you've got to see it in that context."
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Mr Pavetto, an electricity economist, produced the analysis for the Australian Institute for Progress, whose executive director is former Queensland Liberal Party vice president Graham Young and whose directors include former Queensland Liberal Party state president Bob Tucker.
Mr Pavetto's analysis says Stanwell's Tarong plant near Kingaroy would be first to close in 2018-19, followed by two units at the Gladstone Power Station in 2020-21 and Stanwell's Rockhampton station in 2026-27.
He also warns Labor's green power policy could result in blackouts across the state, for up to 15 per cent of the year, once the policy is in full force.
Mr Pavetto went on ABC radio on Monday to defend his views, which he says are backed by the Australian Energy Market Operator (AEMO).
"What their reporting shows is that to get to a 50 per cent renewable target by 2030 - and they have modelled this - is that there will be some requirement to close down power stations in Queensland," he said.
He says AEMO has stated in its National Transmission Network Development Plan that coal-fired power generation would have to be cut to reach the 2030 renewables target, with Tarong, half of the Gladstone plant, and then Rockhampton to close.
"If you're going to be having a 50 per cent renewables capacity ... you have to displace some of that coal generation from somewhere," Mr Pavetto said.
The Electrical Trades Union backed the Labor government, calling Mr Pavetto's work a "deeply partisan" analysis from a right-wing think-tank backed by Liberals.
Union spokesman Keith McKenzie says the ETU trusted Labor not to shut power plants and not to sell public assets.
LNP leader Tim Nicholls says he's seen the reports of plant closures, and his party flatly rejected Labor's "crazy" renewable energy target.
"Queenslanders want reliable and affordable power; they don't want to end up like South Australia with blackouts and the most expensive power in the western world," he told reporters in Bundaberg.
