In September 2007, the New South Wales State Government announced the commencement of a trial of 'clean coal' technology at Munmorah Power Station.

[2] In 2012 Carbon Monitoring for Action estimated the power station emitted 4.246 million tonnes of greenhouse gases as a result of burning coal.

[3] Delta Electricity announced on 3 July 2012 the closure of Munmorah power station after 45 years of operation due to decreasing energy demand.

Plans were made to demolish the station and its out-buildings and sell off the 500 acres of surrounding land for housing and sporting venues.

In 2015, was time to disconnect all vintage equipment from the large shed and boiler and send them off to the scrap heap.

In December 2015 a survey of the power station precinct found that pollutants(diesel) had entered the water table and made some areas unsuitable for housing.