SYDNEY -- Australian energy companies are accelerating their plans to shut coal-fired power plants, raising concerns among policymakers about possible disruptions to the country's power supply.
Doubts grow over security of country's power supply

Loy Yang coal fired power station, operated by AGL Energy, in the state of Victoria. Australia relies on coal for more than half of its power generation. © Reuters
SYDNEY -- Australian energy companies are accelerating their plans to shut coal-fired power plants, raising concerns among policymakers about possible disruptions to the country's power supply.