Cummins worked with EDL to provide Agnew gold mine with over 50% renewable energy
Gold Fields is one of the largest global gold mining companies in the world, with nine operating mines and one project, including the Agnew gold mine, in the northern goldfields of Western Australia. Gold Fields wanted to create an innovative hybrid renewable energy solution at the site, which has operated for over 30 years, with an annual gold production of approximately 220,000 oz per annum. Cummins collaborated with global distributed energy producer EDL, which was selected due to its track record in providing sustainable, reliable energy solutions for remote operations and communities.
The crucial requirement in this project was that the generators had to provide continuous, reliable power at temperatures up to 45°C. As a result, the Cummins QSV91G gas generator model was selected due to its ability to operate in high ambient conditions, in addition to providing high impact step loads and fast amp rates while maintaining power quality.
The C2250D5 units provide additional power during peak periods of demand, in addition to providing the ability to black start the power station in the event of a power outage. The DMC8000 communicates with EDL’s microgrid controller to balance the power demand from the mine.
The first stage of the project required the installation of a new off-grid 23MW power station incorporating 16MW gas, 4MW photovoltaic solar and 3MW diesel power generation. The thermal power station was completed in July 2019, and the solar farm was ready in August 2019. A further 2MW of gas generation was installed in March 2020.
The second stage of this project was completed in May 2020. This stage was supported by the Australian Renewable Energy Agency (ARENA) to provide 18MW wind generation, a 13MW battery and an advanced microgrid control system.
“The renewable energy technologies of EDL’s Agnew Hybrid Renewable Power Station are complemented by thermal generation from Cummins gas and diesel generators. We’re pleased to be working with Cummins to deliver this landmark project, which will provide the Agnew Gold Mine with more than 50% renewable energy over the long term, without compromising power quality or reliability.”
– Jason Dickfos, EDL Head of Growth
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