Renewables helping secure electricity but undersupply risk in short term, report says

Energy Market Operator report comes as Coalition seeks to extend life of Australia's oldest coal power plant, Liddell

Australia's Energy Market Operator says the introduction of more renewable energy is helping secure Australia's electricity grid but that "new approaches" will be needed to avoid blackouts in coming years.

The report comes as the prime minister, Malcolm Turnbull, confirms the government is seeking to extend the life of Australia's oldest coal power plant, Liddell, and is in talks with owners AGL.