A powerful way to work with waste

As well as generating renewable energy, our landfill gas and biogas facilities capture and destroy methane – which is 21 times stronger than CO2.

AGL owns and operates eight renewable landfill gas and biogas (sewage) generation facilities across Australia.

Biogas, like solar and wind energy, is a renewable energy source produced from available raw materials and recycled waste. For example, biomass is a renewable energy source made from plants or plant materials, and bagasse is fuel made from sugar cane stalks.

At a glance: AGL's landfill and biogas assets

Source energy capacity site commissioned
Werribee Sewage Treatment (VIC) 10 MW June 2001 (Stage 1), Jan 2006 (Stage 2), April 2010 (Stage 3)
Woy Woy Landfill Gas Abatement Facility (hosted by Gosford City Council, NSW) 1 MW August 2008
Glenorchy Gas Extraction and Generation Facility (TAS) 1.5 MW June 2009
Kincumber Landfill Gas Abatement Facility (hosted by Gosford City Council, NSW) 1 MW August 2008
Rockingham Landfill Gas Power Generation Facility (WA) 2 MW November 2003
 McRobies Gully Gas Power Generation Facility (TAS) 1 MW March 2006
Kemps Creek Landfill (NSW) 2.8 MW  

 

Werribee Sewage Treatment Plant

AGL’s $16 million biogas utilisation project at Melbourne Water’s Western Treatment Plant in Werribee is the largest biogas power station in the southern hemisphere. The plant produces approximately 50,000 MWh of renewable energy each year.

The Werribee biogas generation facility captures methane from the anaerobic digestion of sewage waste water at the Melbourne Water Sewage Treatment Plant. The methane is then used to generate renewable power – 24 hours a day, 365 days a year.

Every litre of methane gas that's captured for electricity generation is another litre that doesn't go into our atmosphere.

How does the facility work?

The Werribee Sewage Treatment Plant treats Melbourne’s waste water via an anaerobic process.

Here's how it works. Portions of the lagoon that receive raw sewage are covered to exclude oxygen, causing an anaerobic reaction which produces methane gas. This methane is captured and used to fuel 7 x 1.06 MW and 2 x 1.26 MW reciprocating engines – at a total capacity of 10 MW.

Location

Werribee Sewage Treatment Plant, VIC

Woy Woy Landfill Gas Abatement Facility

The gas abatement facility in Woy Woy, NSW collects methane-rich gas from decomposing organic waste and uses it to generate electricity, 24 hours a day, 7 days a week.

How does landfill gas generation work?

At the Woy Woy landfill site, we extract methane gas through an array of wells interconnected by a network of buried pipes. A blower draws the gas into the extraction system, and it is then used to power a generator – which is connected via an integrated circuit panel to a step-up transformer. High voltage electricity is exported to the grid from the transformer. The generator sits in an acoustically-lined building that also houses the control room. The building and remaining plant are enclosed within a fenced compound, and it can all be remotely controlled and monitored.

What are the environmental benefits?

By extracting and combusting landfill gas, we're stopping that gas from escaping into the atmosphere. This reduces greenhouse gas emissions. Plus, by using the gas to generate electricity, AGL is also displacing electricity sourced from fossil fuels.

Location

The facility is hosted by Gosford City Council, NSW.

Glenorchy Gas Extraction and Generation Facility

The gas extraction and generation facility in Glenorchy, Tasmania collects methane-rich gas from decomposing organic waste and uses it to generate electricity, 24 hours a day, 7 days a week.

How does the facility work?

At the Glenorchy landfill site, we extract methane gas through an array of wells interconnected by a network of buried pipes. A blower draws the gas into the extraction system, and it is then used to power a generator – which is connected via an integrated circuit panel to a step-up transformer. High voltage electricity is exported to the grid from the transformer. The generator sits in an acoustically-lined building that also houses a control room and workshop. The building and remaining plant are enclosed within a fenced compound, and it can all be remotely controlled and monitored.

What are the environmental benefits?

By extracting and combusting landfill gas, we're stopping that gas from escaping into the atmosphere. This reduces greenhouse gas emissions. Plus, by using the gas to generate electricity, AGL is also displacing electricity sourced from fossil fuels.

Where is the site located?

Jackson Street, Glenorchy City Council, Tasmania.

Kincumber Landfill Gas Abatement Facility

The gas abatement facility in Kincumber, NSW collects methane-rich gas from decomposing organic waste and uses it to generate electricity, 24 hours a day, 7 days a week.

How does the facility work?

At the Kincumber landfill site, we extract methane gas through an array of wells interconnected by a network of buried pipes. A blower draws the gas into the extraction system, and it is then used to power a generator – which is connected via an integrated circuit panel to a step-up transformer. High voltage electricity is exported to the grid from the transformer. The generator sits in an acoustically-lined building that also houses a control room. The building and remaining plant are enclosed within a fenced compound, and it can all be remotely controlled and monitored.

What are the environmental benefits?

By extracting and combusting landfill gas, we're stopping that gas from escaping into the atmosphere. This reduces greenhouse gas emissions. Plus, by using the gas to generate electricity, AGL is also displacing electricity sourced from fossil fuels.

Where is the site located?

The facility is hosted by Gosford City Council, NSW.

Rockingham Landfill Gas Power Generation Facility

The gas power generation facility in Rockingham, WA collects methane-rich gas from decomposing organic waste and uses it to generate electricity, 24 hours a day, 7 days a week.

How does the facility work?

At the Rockingham landfill site, we extract methane gas through an array of wells interconnected by a network of buried pipes. A blower draws the gas into the extraction system, and it is then used to power a generator – which is connected via an integrated circuit panel to a step-up transformer. High voltage electricity is exported to the grid from the transformer. The generator sits in an acoustically-lined building that also houses a control room and workshop. The building and remaining plant are enclosed within a fenced compound, and it can all be remotely controlled and monitored.

What are the environmental benefits?

By extracting and combusting landfill gas, we're stopping that gas from escaping into the atmosphere. This reduces greenhouse gas emissions. Plus, by using the gas to generate electricity, AGL is also displacing electricity sourced from fossil fuels.

Where is the site located?

Millar Road, Rockingham Waste Disposal Facility, Baldivis, Rockingham, WA.

McRobies Gully Gas Power Generation Facility

The gas power generation facility in McRobies Gully, Tasmania collects methane-rich gas from decomposing organic waste and uses it to generate electricity, 24 hours a day, 7 days a week.

How does the facility work?

At the McRobies Gully landfill site, we extract methane gas through an array of wells interconnected by a network of buried pipes. A blower draws the gas into the extraction system, and it is then used to power a generator – which is connected via an integrated circuit panel to a step-up transformer. High voltage electricity is exported to the grid from the transformer. The generator sits in an acoustically-lined building that also houses a control room and workshop. The building and remaining plant are enclosed within a fenced compound, and it can all be remotely controlled and monitored.

What are the environmental benefits?

By extracting and combusting landfill gas, we're stopping that gas from escaping into the atmosphere. This reduces greenhouse gas emissions. Plus, AGL is displacing electricity sourced from fossil fuels.

Where is the site located?

The facility is hosted by Hobart City Council, Tasmania.

Community Complaints and Enquiries

If you would like to enquire or make a complaint about Landfill Gas and Biogas, please feel free to contact us via the following channels:


AGL Community Complaints & Enquiries Hotline: 1800 039 600
Email: AGLCommunity@agl.com.au
Mail: AGL Community Complaints & Enquiries, Locked Bag 1837, St Leonards NSW 2065


You can find out more about how AGL engages with the community here and access the Community Complaints and Feedback Policy here.