The NSW Environment Protection Authority (EPA) will launch a formal investigation after a pungent stench spread through the Lower Hunter this week.
It follows commissioning activities at Snowy Hydro’s new Hunter Power Project at Kurri Kurri, which released visible plumes and an overwhelming smell into the air from Tuesday 8 July.
As a result, hundreds of complaints were lodged within hours not only with the government regulator but also Hunter MP Dan Repacholi.
And, the local federal member was quick to take up the fight.

“My office had been contacted by numerous concerned locals about a foul smell and strong odour around Kurri Kurri, which reportedly caused breathing difficulties, especially in children,” he said.
“The smoke and fumes were caused by the company’s decision to begin commissioning the plant using diesel rather than gas.
“This, combined with the turbine being brought up to full power without being connected to the grid, caused the visible emissions and odour.
“Snowy Hydro has now advised me that testing and commissioning have been paused.
“Importantly, gas is already connected to the site.
“I’ve been assured that any further commissioning will use gas only, meaning we should not see a repeat of the recent smoke and fumes.
“The NSW EPA is also looking into the matter and the health concerns that have been raised.
“They will report back once their investigation is complete.
“I’ve made it very clear to Snowy Hydro that the lack of community consultation was unacceptable.”
Following the residents’ grievances, the NSW EPA issued a statement on Wednesday 9 July.
“The source appears to be the new Hunter Power Project near Kurri Kurri where Snowy Hydro is currently commissioning gas/diesel turbine units,” it said.
“As part of its Environment Protection Licence for the site, it’s required to conduct continuous emissions monitoring including during this commissioning phase where emissions are usually higher than normal operation.
“The EPA reviewed air dispersion modelling prior to the commissioning phase, which predicted no significant health or environmental impacts.
“However, the agency is now checking whether the site has remained within permitted emissions limits and will continue monitoring to ensure environmental compliance.”
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