An incident at Liddell Power Station at Muswellbrook has left one man suffering burns and a second person with minor injuries.
NSW Ambulance Paramedics say they were called out to the power station at 2:40pm yesterday, Thursday 17th December, following reports of a patient suffering burns.
A 55-year-old man suffered burns to his back and arms and flown to the Royal North Shore Hospital for further treatment.
One other patient is understood to have suffered minor injuries and was taken to Singleton Hospital for treatment.
AGL has released a statement to the stock exchange on the incident.
In that statement they said there was a "transformer incident at Unit 3 of AGL's Liddell Power Station" and "as a result of which the unit has been taken out of service".
AGL added that their "priority concern is continuing to ensure he receives the required treatment at this difficult time" and an "investigation is under way into the cause of the transformer incident, including engagement with the relevant authorities".
"AGL is currently assessing the length of any outage that may occur at Liddell Unit 3 as a result of the transformer incident. On a precautionary basis, AGL has informed the Australian Energy Market Operator that the length of the outage may be up to two and a half months, subject tot he completion of its assessment."
That is a highly preliminary estimate.
AGL added that they will be informing the market of any financial impact of the transformer incident and any potential outages as well.
That information AGL said would be available no later than December 23, 2020.