- Authorities identified 13,827 premises involved in illicit power consumption for mining.
- TNB seized bitcoin mining machines during joint inspections.
- Smart meters are being installed to detect suspicious energy use in real time.
Malaysia is intensifying its response to rising energy losses linked to cryptocurrency mining, as new figures show widespread electricity theft across the country.
The national utility, Tenaga Nasional Bhd, has reported more than $1 billion in losses from illegal power use between 2020 and August this year.
The scale of the theft has pushed authorities to strengthen monitoring tools, expand inspections, and build new data systems as bitcoin mining operations continue to strain the national grid.
Officials now view the situation as an urgent energy security issue that requires consistent oversight.
Rising cases of electricity theft
The energy and water transformation ministry said 13,827 premises were found using electricity illegally for cryptocurrency mining during the period, according to a written parliamentary reply dated Tuesday.
Malaysia does not have specific rules governing crypto mining, but the activity becomes illegal once meters are tampered with or bypassed.
Such actions fall under offences detailed in the Electricity Supply Act.
The ministry confirmed that these illegal activities caused financial losses of 4.6 billion ringgit, equivalent to about $1.11 billion.
Mining setups require continuous and intense power consumption, which is often concealed to avoid detection.
This has allowed unauthorised operations to drain the grid at a rapid pace.
Coordinated enforcement operations
TNB has been conducting joint inspections with multiple enforcement bodies to respond to the rising cases.
The police, the communications regulator, the anti-graft agency, and other authorities have taken part in these operations.
Their coordinated actions have resulted in the seizure of bitcoin mining machines at many of the identified premises.
With illegal mining activities still increasing, TNB has shifted towards systems that support preventive oversight.
The utility has built a database holding complete records of owners and tenants of premises suspected of involvement in electricity theft related to bitcoin mining.
The ministry said the database helps identify patterns, profile high-risk locations, and support future inspections across different states.
Technology driven monitoring measures
Malaysia is also relying on real-time energy monitoring to reduce losses.
Smart meters are being installed at electricity distribution substations to track consumption patterns and identify manipulation more quickly.
These meters help detect sudden spikes or irregular behaviour, which often indicate hidden mining operations.
Real-time alerts allow TNB to respond faster before theft spreads or expands.
The country’s competitive electricity prices make it attractive for mining operators, which increases pressure on the grid and complicates enforcement.
Since mining is energy-intensive and not directly regulated, authorities are using existing energy laws supported by surveillance technologies to curb illegal consumption.
Strengthening oversight across the grid
Malaysia has chosen to enhance enforcement rather than introduce dedicated mining regulations.
Authorities are relying on interagency cooperation, improved inspection strategies, and expanded data systems to protect the utility network.
TNB continues to refine its approach, as illegal mining operations often shift locations after raids, requiring constant monitoring and updated intelligence.
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