New mining location added: Finland
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New mining location added: Finland
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Market Insights
Mitchell Weijerman
June 1, 2026
More than 56% of Bitcoin mining now runs on renewable energy, making it one of the most sustainably powered industries in the world. Bitcoin mining does not just tolerate renewable energy. It actively seeks it out, because renewables offer the cheapest electricity on the planet.
According to the Bitcoin Mining Council’s 2025 survey, approximately 56-60% of Bitcoin mining’s global energy mix comes from sustainable sources, including hydroelectric, wind, solar, nuclear, and geothermal power. This figure has increased steadily from roughly 36% in 2019, driven by miners migrating to regions with abundant renewable electricity.
The reason is simple economics. Miners are constantly searching for the cheapest electricity available, and renewable sources frequently offer the lowest marginal cost. Hydroelectric dams in Paraguay, Norway, and Canada produce electricity for 2-4 cents per kWh. Wind farms in west Texas generate power at 3-5 cents per kWh. These rates are far below the global average residential electricity price of 15-20 cents per kWh. Miners follow cheap power, and cheap power is increasingly renewable.
Bitcoin mining has unique characteristics that make it an ideal consumer of renewable energy, characteristics that most other industries do not share.
| Characteristic | Why It Matters for Renewables |
|---|---|
| Location-flexible | Miners can set up anywhere power is available, including remote renewable sites |
| Interruptible | Miners can shut off instantly during peak demand, acting as a grid balancer |
| Constant load | Provides steady baseload demand for renewable generators that need consistent buyers |
| Price-sensitive | Miners naturally gravitate to the cheapest electricity, which is often renewable |
| No supply chain | No raw materials to ship in or finished goods to ship out, unlike factories |
A solar farm in the desert or a hydroelectric dam in a remote valley cannot easily sell electricity to a city hundreds of miles away. Transmission infrastructure is expensive and takes years to build. But a Bitcoin miner can be deployed on-site within weeks, providing immediate revenue for the energy producer. This is why renewable energy developers increasingly partner with miners as anchor tenants for new projects.
Hydroelectric power is the single largest renewable energy source for Bitcoin mining. Countries like Canada, Norway, Iceland, and Paraguay have massive hydroelectric capacity that exceeds local demand. Miners in these regions access electricity at 2-5 cents per kWh, some of the lowest rates in the world. The Itaipu Dam on the Brazil-Paraguay border alone could theoretically power a significant portion of the global Bitcoin network.
Wind energy has become a major power source for mining, particularly in Texas and the Midwestern United States. West Texas wind farms produce enormous amounts of electricity, and miners have set up operations adjacent to wind farms to consume power that would otherwise go unsold. During high-wind periods, electricity prices can drop to zero or even negative, making mining exceptionally profitable.
Solar-powered mining is growing, particularly in regions with high solar irradiance. The challenge with solar is intermittency: panels produce power only during daylight hours. Miners address this by combining solar with battery storage or grid power, or by running miners only during solar production hours and shutting down at night. Read more about this approach in our guide to solar-powered Bitcoin mining.
Nuclear power provides carbon-free baseload electricity, making it attractive for mining. Several mining operations in the United States and Canada have partnered with nuclear power plants. Nuclear provides the consistency that intermittent renewables cannot: 24/7 production at a stable cost. Some energy analysts consider nuclear the ideal power source for mining because of its reliability and zero-carbon output.
Iceland and El Salvador have pioneered geothermal-powered Bitcoin mining. Iceland’s volcanic geology provides nearly unlimited geothermal energy at very low cost. El Salvador made headlines by mining Bitcoin using geothermal energy from the Tecapa volcano. Geothermal is renewable, constant, and produces minimal emissions, though it is geographically limited to areas with volcanic activity.
Bitcoin mining is increasingly recognized as a tool for accelerating renewable energy development, not hindering it. Here is how the economics work.
Renewable energy projects face a “chicken and egg” problem. Developers need a guaranteed buyer of electricity to secure financing for new wind or solar projects. But buyers (cities, factories) need the project to be built before they commit to purchasing. Bitcoin mining solves this by providing immediate, guaranteed demand. A miner can sign a power purchase agreement before the project is built, giving the developer the revenue certainty needed to secure funding.
Once the renewable project is operational, the miner acts as a “buyer of last resort.” During periods of high production and low demand, the miner absorbs excess electricity that would otherwise be curtailed (wasted). During periods of high demand, the miner can throttle down, freeing power for the grid. This flexibility makes renewable projects more financially viable and less risky for investors.
The economics are aligned: Miners want the cheapest electricity. Renewable developers want guaranteed buyers. Grid operators want demand flexibility. Bitcoin mining provides all three. This is why the relationship between mining and renewables is growing, not shrinking. The cheapest way to produce Bitcoin is with renewable energy, and the most profitable use of stranded renewable energy is often Bitcoin mining.
Bitcoin mining consumes approximately 150-170 TWh of electricity per year, roughly comparable to a country like Poland or Egypt. Critics point to this as evidence that mining is environmentally harmful. But the total energy consumed tells only part of the story. The type of energy and the alternative uses of that energy matter far more.
Much of the energy used by miners would otherwise be wasted. Hydroelectric dams that produce more electricity than local grids can absorb, natural gas that would be flared at oil wells, wind farms producing power at 3 AM when nobody needs it: these are the sources miners preferentially seek out. Mining does not compete with homes and hospitals for electricity. It monetizes energy that has no other buyer. Learn more about how this works in how mining solves the stranded energy problem.
For a deeper analysis, see our comparison of Bitcoin mining’s carbon footprint to other industries.
It is theoretically possible but practically unlikely in the near term. Some miners will always operate on grid power that includes fossil fuel generation. However, the economic incentives strongly favor renewable energy because it is cheaper. As renewable energy costs continue to decline (solar has dropped 90% in cost over the past decade), the share of mining powered by renewables will continue to increase naturally.
Several publicly traded mining companies have committed to 100% renewable energy targets. Marathon Digital, CleanSpark, and others have made sustainability a core part of their business strategy, partly because institutional investors increasingly require ESG compliance. The trend is clear: mining is getting greener every year, driven by both economics and investor pressure.
The environmental impact of Bitcoin mining depends on the energy source. Mining powered by hydroelectric, wind, solar, or nuclear energy produces minimal emissions. Mining powered by coal produces significant emissions. The industry trend is strongly toward renewable energy because it is cheaper. Over 56% of mining now uses sustainable energy, and that share is growing annually.
Bitcoin mining often uses energy that would otherwise be wasted: excess hydroelectric production, flared natural gas, curtailed wind and solar power. In these cases, mining is converting waste energy into economic value. Whether securing a $2+ trillion financial network constitutes “waste” is a question of perspective, not physics.
Iceland, Norway, and Canada consistently rank as the greenest mining locations due to their abundant hydroelectric and geothermal power. Paraguay is also notable for its massive hydroelectric capacity from the Itaipu and Yacyreta dams. In the United States, mining operations in the Pacific Northwest (hydroelectric) and Texas (wind) are among the cleanest.
Yes, but with limitations. Home solar panels can offset electricity costs for a miner, but panels only produce power during daylight hours. You would need grid power or battery storage for nighttime operation. For most people, hosted mining at a facility with low-cost renewable power is more practical and cost-effective than building a home solar mining setup. Learn more in our solar mining guide.
Last updated: 2026-05-09
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