Overview
- A parliamentary reply put cumulative losses at RM4.6 billion (about US$1.11 billion) from 2020 through August 2025.
- Tenaga Nasional identified 13,827 premises that illegally used electricity for cryptocurrency mining during the period.
- Joint operations with police, the communications regulator and anti-graft authorities led to seizures of bitcoin mining machines.
- TNB created an internal database of suspected owners and tenants and is installing smart meters at substations to detect tampering in real time.
- Cryptocurrency mining lacks a specific licensing regime, so cases are pursued under the Electricity Supply Act for meter tampering and bypasses, with police reporting recent arrests in the clampdown.