The two companies aim to roll out and continually develop an advanced microgrid control system that can enable the integration of power from renewable energy to a mine's off-grid power supply. A corresponding agreement was signed on November 14.

The solution will be designed to adapt to changing orebodies, processing and power requirements whilst providing detailed reporting and analysis to operations teams and management. Together, the strategic partners aim to create a unique, standardised solution for the mining market that will simplify the use of renewable energy for mines and help provide a cost-effective and reliable power supply, especially for mine sites that operate off the grid.

Robert Klaffus, CEO, digital grid at Siemens Smart Infrastructure, said: "Microgrids can bring high levels of reliability and improved energy quality to energy-intensive industries such as mining; and are an attractive alternative when autonomous power supply is needed. We are looking forward to the technology cooperation with juwi on microgrids and believe it will boost the commercial appeal of renewable energy to the mining industry."

Stephan Hansen, member of the board and COO of the juwi Group, added: "Renewable energy will not only future proof mining operations, but reduce cash operating costs today. The centerpiece to this is the juwi Hybrid IQ system. It enables us to provide hybrid power that goes far beyond what has been industry practice until now. I am looking forward to the technology partnership with Siemens."

The Siemens Sicam-based microgrid control platform is the basis for juwi´s Hybrid IQ microgrid controller.

The co-operation between juwi and Siemens has already resulted in the successful delivery of the solar power plant at Agnew Gold in Australia.