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Moving closer to fossil-free mining underground

Leading the way toward the fossil-free mining of the future, Frida Pettersson is pioneering efforts 750 meters underground at the Kristineberg mine.

The mining industry is currently undergoing a transformation to reduce climate emissions, something that will make a difference for generations to come. At the Kristineberg mine, in the north of Sweden, Frida Pettersson is leading the creation of the world's first fossil-free mine. 
- The Rävliden expansion of the Kristineberg mine means that we are responsible for implementing technical solutions that will make the operation more productive, safe and sustainable, and bring us closer to Boliden's vision of being the most climate-friendly and respected metal supplier in the world, says Frida. 

Swedish mines account for about five percent of Swedish industry's total emissions. Of Swedish industry's total emissions, which amounted to 15.2 million tons of carbon dioxide equivalents in 2022, mining accounted for about 0.7 million tons, according to Statistics Sweden. A transition to completely fossil-free mines would reduce the industry's emissions by five percent. 

- What makes this project so cool is the opportunity to work on something I know will contribute positively to the climate transition. In addition to making a major contribution to the Kristinebergsgruvan's carbon footprint, we are a place where other leading companies such as ABB and Epiroc test the latest electrification technology that will later be rolled out in other mines in Sweden and around the world, says Frida.

"We want to show that it is possible to mine metals without direct climate impact, and here we are leading the industry's goal of fossil-free mining in Sweden by 2035."

Technological solutions for the future 

What is particularly unique about the Rävliden project is that the mine and the entire machinery are being electrified. This includes, among other things, a five-kilometer-long so-called electric trolley line where mining trucks connected to cables in the mine roof transport the ore from a depth of 750 meters up to ground level. The combination of battery operation and simultaneous charging from the cables in the roof is something that could eventually develop a new standard for how to build new mines, including with the help of electrification. When Frida's project is delivered, the diesel consumption underground at the Rävliden deposit will be 80 percent lower than in a conventional mine and the remaining diesel vehicles will gradually be replaced with electric ones. 

- The metals are needed for the climate transition and it is our responsibility to ensure that they are produced in the most climate-friendly way possible, concludes Frida.

Fridas story - The fossil-free mining of the future

The mining industry is currently undergoing a transformation to reduce climate emissions, something that will make a difference for generations to come. With a team of 15 people, Frida Pettersson is leading the creation of the world's first fossil-free mine in Rävliden, Boliden Kristineberg.

In the Boliden area, in the mineral-rich Skellefte field in Västerbotten, the first gold discovery was made, laying the foundation for a community and our operations that have employed several generations of workers. Today, the area consists of the underground mines Renström, Kristineberg, and Kankberg. Except for Kankberg, complex ore containing zinc, copper, lead, gold, and silver is mined in all the mines. In Kristineberg, significant investments are being made to mine the new Rävliden deposit with as little climate impact as possible. By using new technology, we are moving from fossil fuels to an electrified mine. 

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