New deal for City waste pro­cess­ing

Cockburn Gazette - - NEWS - Belinda Cipri­ano

THE City of Cock­burn ac­cepted a ten­der at last week’s coun­cil meet­ing to sup­ply its gen­eral waste for pro­cess­ing at an En­ergy-from-Waste (EfW) plant for 20 years from 2021.

The City’s waste will be pro­cessed by the HZI con­sor­tium, also known as New En­ergy Cor­po­ra­tion, which plans to build a fa­cil­ity in East Rock­ing­ham.

The con­sor­tium has al­ready been ac­cepted as the pre­ferred waste dis­posal ten­derer by the Eastern Met­ro­pol­i­tan Re­gional Coun­cil.

The EfW plant will use mov­ing grate com­bus­tion tech­nol­ogy to con­vert en­ergy from gen­eral house­hold waste bins into elec­tric­ity for the grid, with its ash waste by-prod­ucts po­ten­tially be­ing used in road con­struc­tion.

City Waste man­ager Lyall Davieson said the waste sup­ply agree­ment rep­re­sented sig­nif­i­cant sav­ings for ratepay­ers and would di­vert greater vol­umes of waste from land­fill.

“Waste dis­posed at land­fill at­tracts an ever-in­creas­ing State Gov­ern­ment land­fill levy, which is cur­rently $65 per tonne, but this levy does not ap­ply to EfW,” Mr Davieson said.

“The State Gov­ern­ment has de­ter­mined that no fur­ther land­fills will be ap­proved on the Swan Coastal Plain.

“When ex­ist­ing land­fills reach ca­pac­ity, the City, along with many other met­ro­pol­i­tan lo­cal gov­ern­ments, will have to transport its gen­eral waste to re­gional or in­land ru­ral ar­eas, a costly propo­si­tion that would also in­crease the City’s transport car­bon emis­sions.

“The EfW process is en­vi­ron­men­tally favourable to land­fill in that valu­able ma­te­ri­als are con­verted for en­ergy pro­duc­tion.

“There is also po­ten­tial for the City to pur­chase the elec­tric­ity pro­duced by pro­cess­ing the waste.”

Un­der the agree­ment, the City will de­liver waste col­lected from its kerb­side gen­eral waste bins to the New En­ergy Cor­po­ra­tion plant at an es­ti­mated cost of $3.47m for the first year, which is less than the cur­rent ar­range­ments for waste dis­posal.

The City of Cock­burn will send gen­eral waste to New En­ergy Cor­po­ra­tion for pro­cess­ing from 2021.

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