However, in a speech sent to media organisations, the treasurer Jim Chalmers said there are "strict conditions".
Suncorp Group CEO Steve Johnston (pictured above), said his firm and ANZ are targeting a completion date of July 31.
ANZ’s CEO, Shayne Elliott also welcomed the approval.
The treasurer’s conditions include requiring ANZ to lend A$15 billion to Queensland's renewable energy projects and billions more for small businesses and for thousands of home buyers in the state.
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