City of Johannesburg turns landfill gas into electricity | Infrastructure news

The City of Johannesburg has successfully implemented two landfill gas-to-energy projects.

A total 19 042 Certified Emission Reductions (CER) have amassed and 3 157 656Nm3 of landfill gas has been destructed since May 2012. Eventually, 19MW of electricity will be generated at five landfill sites. This could supply approximately 12 500 middle-income households.

Landfill gas is currently extracted from two sites: the Robinson Deep landfill and the Marie Louise project.

At the Robinson Deep landfill site and the Marie Louise project, landfill gas is extracted, combusted and flared as carbon dioxide, to generate electricity. The landfill gas-to-energy projects minimise environmental damaged by reducing methane emissions.

The Robinson Deep landfill saw the installation of 68 gas wells. This number will be increased during the second phase of the project. The project has produced 137888 CER’s and prevented 18 288 457Nm3 of landfill gas from being released into the atmosphere.

Construction for the three remaining sites at Goudkoppies, Ennerdale and Linbro Park will commence shortly.

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