Mexico Seizes 300 Crypto Mining Rigs Wired Into a Hydroelectric Dam
Mexican authorities raided a property in Tlaola, Puebla, seizing about 300 cryptocurrency mining machines and related equipment that investigators say were drawing power illegally from the Nuevo Necaxa hydroelectric complex. Federal prosecutors, the Navy and state police have opened an inquiry into electricity theft while forensic accountants trace who financed the operation and whether proceeds were laundered.
Why It Matters
The seizure highlights how illicit crypto mining can strain public electricity infrastructure and prompt coordinated investigations involving prosecutors, utilities and financial forensics. The size of the operation and reported links to a federal dam point to broader vulnerabilities in grid security and potential cross-border patterns of illegal mining.
Key Facts
- location: Tlaola, Sierra Norte, Puebla, Mexico
- machines seized: Approximately 300 crypto mining rigs
- additional equipment seized: Transformers, medium-voltage terminals and working satellite internet antennas
- alleged power source: Illegally tapped from a complex fed by the Nuevo Necaxa hydroelectric dam
- agencies involved: Mexican federal prosecutors, the Navy, Puebla state police and state security ministry; Federal Electricity Commission participating in probe
Authorities in Puebla dismantled a large illegal crypto-mining site in the remote Sierra Norte municipality of Tlaola, removing roughly 300 mining machines and supporting hardware from a property investigators say was directly tapping a federal hydroelectric complex. State security officials said the site’s heavy energy demand and remote location helped tip off law enforcement to the scheme.
Officers also confiscated transformers, medium-voltage terminals and operational satellite internet antennas at the scene. Local outlets reported the seized units were graphics processing units (GPUs), which are commonly used to mine cryptocurrencies other than Bitcoin and suggest the operation targeted GPU-mineable coins.
Although cryptocurrency mining is legal in Mexico, prosecutors are preparing charges of electricity theft in this case. Forensic accountants have been brought in to trace who paid for the equipment, and authorities are examining whether assets produced at the site were used to launder criminal proceeds. The nation’s Federal Electricity Commission is assisting the inquiry.
Officials noted the seizure forms part of a wider pattern of illegal mining in the region. Puebla authorities said similar activity has been uncovered in nearby municipalities, with three other operations dismantled across Puebla and neighboring Tlaxcala in 2025 and a separate farm near the same dam last year reportedly linked to properties of the electrical workers’ union. The incident mirrors international enforcement: Malaysian authorities seized more than 75,000 rigs last year in a power-theft crackdown and Brazilian police have also shut down illicit mining operations.
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Original source: Decrypt