Landfill Gas (LFG)
Infrastructure is in place at Nantycaws to extract the LFG and it is converted into electricity via an on-site Waste to Energy Plant. The landfill gas infrastructure is extended as the landfill site develops.
The current average output is approx. 1 MWh.
A 0.5 Mega Watt wind turbine was installed at Nantycaws in 2014. This produces electricity on-site and the energy is used as below:
- Provides power for the on-site Materials Recycling Facilities.
- Exports power to the National Grid when the facilities are not in operation, e.g. night time.
Less waste to landfill
from 2006 - 2015
Homes could have been powered from our Landfill Gas generated in 2015
Homes could have been powered from our Wind power generated in 2015
Increase in Recycling
from 2006 - 2018
What is landfill gas?
- Landfill Gas is produced by decomposing waste received at Nantycaws Landfill Site.
- LFG is a mix of gases but consists mostly of methane (~60%) and carbon dioxide (~40%)
- LFG also contains varying amounts of nitrogen, oxygen, water vapour, sulphur and other contaminants. These usually make up less than 1% of LFG.
- Methane and carbon dioxide are odourless. It is the minor gasses and contaminants that cause the distinctive LFG smell.
1. Gas extraction
Gas is extracted by drilling wells into the landfill site. The landfill gas flows into a network of gas collection pipes and gets processed centrally at a gas plant.
2. Conversion into electricity
The gas is then combusted in high-performance gas engines and electricity is generated through an alternator.
3. Feed into grid
The electricity is then fed via an export line into the electrical distribution network. The proximity of landfill sites to populated areas enables efficient energy transfer
Total Waste Management Solutions
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