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Marathon Digital is running a Bitcoin mining pilot in Utah powered entirely by landfill methane gas. The operation, built with partner Nodal Power, sits at 280 kilowatts and draws electricity from waste gas that would otherwise vent into the atmosphere or burn off in a flare stack.
The numbers are small but the cost structure is striking. Power runs at roughly $0.03 per kilowatt-hour, which is well below what most grid-connected miners pay in competitive markets. Uptime sits at 92%, which is solid for a first-generation off-grid setup using gas that varies in composition and pressure depending on what’s decomposing underground. The facility runs completely off-grid, meaning it doesn’t pull from the local utility and doesn’t compete with residential or commercial customers for power. That’s kind of the whole point.
Why Landfill Methane Makes Sense Here
Landfill gas is basically a byproduct of organic waste breaking down. Municipalities and waste operators have dealt with it for decades — sometimes capturing it for electricity, sometimes just burning it off, sometimes letting it seep. Methane is a potent greenhouse gas, far more warming per molecule than carbon dioxide over a short time horizon, so doing something productive with it has real environmental logic behind it.
Marathon and Nodal Power are betting that Bitcoin mining is a flexible enough load to match the irregular, location-specific nature of landfill gas supply. The gas doesn’t move easily. Pipelines are expensive. So the energy tends to stay stranded near the landfill unless someone builds generation equipment right on-site. Mining rigs, which just need power and an internet connection, can go almost anywhere. That’s the pairing Marathon is testing.
And the off-grid angle matters politically too. Bitcoin mining has taken heat for years over grid congestion and energy use. Deploying at a landfill, off-grid, using waste gas, sidesteps a lot of that criticism. Whether it fully answers it is a different question.
What the Pilot Still Needs to Prove
The Utah project is modest. 280 kW doesn’t move the needle for a company with Marathon’s scale. But pilots aren’t supposed to. They’re supposed to answer specific operational questions before anyone commits serious capital.
The key unknowns here aren’t really philosophical — they’re mechanical. Can the methane supply stay consistent enough to keep generators running? What happens when gas composition shifts, which it does as landfill contents age and decompose differently over time? How often does equipment need maintenance in a gas-heavy environment? And does the $0.03 per kWh figure hold up as the site matures, or does it creep up once the easy gas is gone and extraction gets harder?
92% uptime is good, but it’s not clear yet how long the pilot has been running or what conditions it faced. No details on the exact duration were provided. That context matters when judging whether 92% is a stable baseline or a honeymoon-period number.
Scalability is probably the biggest open question. There are landfills across the country, and in theory each one is a potential off-grid mining site. But each site has different gas volumes, different operator relationships, different permitting environments, and different grid interconnection costs if anyone ever wanted to sell power back. Replicating the Utah model isn’t plug-and-play.
Miners as Energy Operators
There’s a broader shift happening in how serious mining companies think about their role. It’s not just about buying cheap power anymore. Companies like Marathon are increasingly acting as energy infrastructure players — negotiating directly with gas producers, waste operators, and utilities, managing their own generation assets, and in some cases participating in grid balancing programs.
That’s a different business than just running racks of ASICs. It requires different expertise, different capital allocation, and different relationships. The Nodal Power partnership fits that model. Nodal Power brings the energy-side knowledge; Marathon brings the mining load and the operational scale to make the economics work.
The environmental narrative is still incomplete, to be fair. Without detailed emissions data — how much methane is actually being captured versus what the site would otherwise emit, what the net carbon math looks like — it’s hard to fully evaluate the green credentials. Marathon hasn’t published that kind of granular accounting, at least not in what’s been shared publicly. That gap will matter more as scrutiny on mining’s environmental claims gets sharper.
But the cost structure is real. $0.03 per kWh is cheap by almost any standard in the mining industry. If Marathon and Nodal Power can demonstrate that number holds at other sites, at larger scale, with consistent uptime, that’s a genuinely competitive energy model — not just a PR story.
The Utah pilot is running. The 280 kW operation costs about $0.03 per kWh and holds 92% uptime.
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Frequently Asked Questions
What is the capacity of Marathon Digital’s Utah landfill gas mining pilot?
The pilot operates at 280 kilowatts, using landfill methane gas as its power source through a partnership with Nodal Power.
How much does power cost at Marathon Digital’s Utah pilot, and what is the uptime?
Power costs approximately $0.03 per kilowatt-hour, and the facility runs at 92% uptime.
