In a remote corner of Zambia, a unique bitcoin mining operation is making waves. Located near the Zambezi River, this site is unlike any other, as it harnesses the power of a nearby hydro-electric plant to fuel its activities. Phillip Walton, who runs the operation for a Kenyan company called Gridless, describes the sound of the mining machines as "the sound of money."
The bitcoin mine is set up in a shipping container filled with 120 computers that work tirelessly to verify bitcoin transactions. This process generates bitcoin as a reward. What makes this operation particularly interesting is its access to cheap, clean electricity generated by the Zengamina hydro-power plant. This plant, which was built in the early 2000s with charitable donations, provides power to around 15,000 people in the area. However, it has struggled financially due to slow local adoption of electricity.
By allowing the bitcoin mine to operate on its premises, the hydro plant has found a way to utilize excess energy that would otherwise go to waste. Daniel Rea, who manages the hydro plant, noted that before partnering with Gridless, they were losing over half of the energy they could generate. Now, the bitcoin mine contributes about 30% of the plant’s revenue, helping to keep electricity prices low for the local community.
Each mining machine at the site can earn about $5 a day, depending on the fluctuating value of bitcoin. Currently, the price of bitcoin sits around $80,000. The partnership has proven beneficial, allowing both the mine and the hydro plant to thrive.
While many locals are unaware of the intricacies of bitcoin mining, they are starting to feel the positive effects of the hydro plant’s success. The community is slowly adapting to the availability of electricity, which has changed daily life significantly. People like barber Damian, who recently got connected to the grid, are now able to run their businesses at night, bringing in more income.
However, the future of the bitcoin mine may be uncertain. The hydro plant has secured funding to expand its operations and connect to the national grid. Once this happens, the excess energy currently used for bitcoin mining will be sold back to the grid, making mining less profitable in the area.
Despite this potential shift, Phillip and his team remain optimistic. They have plans to establish more mining operations in regions with untapped energy resources across Africa. As they look to the future, they are also aware of the challenges they face, including resistance from some authorities who view bitcoin mining as an energy-intensive venture that could detract from local needs.
In the grand scheme, this bitcoin mining operation represents a blend of technology and community development. It highlights the potential for renewable energy to support not just local power needs but also innovative economic opportunities in remote areas.