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Working for Anglo American

Moranbah North mine and Capcoal Underground reduce greenhouse gas emissions

Anglo American’s Moranbah North and Capcoal underground operations in Australia provide waste coal mine gas to two power stations owned and operated by clean energy provider, Energy Developments Limited (EDL).

The Moranbah North power station takes waste coal mine gas sourced from the underground environment to produce 45 megawatts of electricity. In December 2012, an expansion of the existing Capcoal waste coal mine gas power station came on line, generating a further 13 megawatts of electricity at the plant to bring the total electricity output up to 45 megawatts.

Regional Manager for Infrastructure, Energy and Carbon, Scott McEwan said this project was the most effective way to manage the additional coal seam methane gas that naturally occurs as we mine deeper into the seam at Grasstree mine.

“The options available to us to remove the gas from the mining environment are to either vent the gas to atmosphere and flare it or harness it to produce energy via direct transfer to power stations or gas pipelines,” Scott said.

“By partnering with EDL, we are providing a natural source of electricity that would otherwise be wasted. Instead we are playing our part to complement the existing Queensland power supply.

“Taking the new expansion into consideration, the combined environmental benefit from the two power stations is a reduction in greenhouse gas emissions of three million tonnes of CO2 equivalent per annum,” Scott said.

The power stations provide clean energy to power nearly 100,000 homes.

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