Eskom Explores Discounted Power for Bitcoin Miners as Solar Surplus Grows
Bitcoin Magazine
South African Eskom Considering Discount Power for Bitcoin Miners as Solar Creates Surplus
Transforming Surplus Electricity into Revenue
Eskom, the South African public utility, is contemplating a new strategy to leverage its surplus electricity generated during daytime hours. With the rise of rooftop solar installations, the demand for grid power diminishes, leaving unused energy that could potentially be sold to Bitcoin mining companies.
Insights from Eskom’s Leadership
During the Biznews Conference 2026 in Hermanus, Eskom chairman Mteto Nyati discussed how the utility is working to monetize this excess power. The increased installation of rooftop solar systems across the country is reshaping South Africa’s electricity demand profile, leading to a predictable surplus when solar panels are at full capacity.
A New Energy Consumption Pattern
According to Nyati, demand is highest in the early morning as people prepare for the day, but as the sun rises and solar generation increases, reliance on Eskom’s grid power diminishes. This presents an opportunity to utilize surplus electricity more efficiently.
Discount Rates for Bitcoin Miners
Eskom is investigating various avenues for using the additional capacity, one of which includes providing discounted electricity rates to Bitcoin mining companies. These organizations rely on substantial volumes of electricity to power their operations, which involve computing complex algorithms that secure the Bitcoin network.
Adapting to an Evolving Energy Landscape
Nyati highlighted that sectors like Bitcoin mining are contributing to an uptick in global electricity demand. Although this technology is relatively new, its energy consumption is becoming significant and requires Eskom to rethink its approach in a competitive market.
New Demand for Eskom’s Generation Capacity
The initiative aligns with earlier statements made by Eskom’s CEO, Dan Marokane, regarding the exploration of opportunities related to Bitcoin mining and large-scale data centers. These sectors could represent a new, consistent source of demand for Eskom’s electricity generation.
Strategizing for Future Viability
Nyati framed this proposal as part of a comprehensive strategy designed to adapt to structural changes within the South African electricity sector. The market is opening up to private investments, enabling independent entities to establish their own generation capabilities and compete in electricity distribution. This shift, combined with the increasing prevalence of rooftop solar, is altering the energy consumption landscape.
Cost Reductions and Sustainable Practices
Alongside creating new revenue streams, Eskom is actively pursuing initiatives to cut costs, with plans to reduce expenditures by approximately R112 billion over the next five years. This would potentially result in lower electricity prices for not just households, but also energy-intensive sectors like mining and smelting.
Maintaining a Strong National Utility
Despite the ongoing transformations in the energy landscape, Nyati emphasized the need for a robust national utility. He argued that Eskom’s coal and nuclear power plants are still essential for providing stable base-load electricity that supports industrial growth and economic development.
A Forward-Thinking Approach to Energy Management
The proposal to offer discounted electricity to Bitcoin miners illustrates a pioneering approach by utilities to treat flexible energy consumers as integral tools for balancing supply and demand in a rapidly changing power ecosystem.
This initiative reflects a broader trend within the energy sector, where adapting to new technologies and consumer habits can lead to innovative solutions for both providers and users.
This article first appeared on Bitcoin Magazine.
