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A free 7-lesson course for facility staff and building owners in Peninsular Malaysia: what you pay for, how the meter works, every line of a TNB RP4 bill, maximum demand, Time-of-Use and power factor, with a worked office tower bill.
Start the coursePower (kW) is the rate right now; energy (kWh) is power times time. Understand the difference — and why nothing runs at nameplate — before you chase savings.
The meter is the cash register of the whole electricity industry. Here is how the spinning-disc meter, the modern electronic meter, and TNB's smart meters actually measure your kWh, kW and kVARh.
Each line of a TNB bill is a meter reading multiplied by a price. Aina, a facility executive, follows the five RP4 charges (energy, capacity, network, retail and AFA), plus the power factor surcharge and KWTBB, through the September 2026 bills of an example office tower and shoplot.
Your maximum demand charge in Malaysia is set by your building's worst 30 minutes of the month, billed in ringgit per kW. Here's how to spot it and clip it.