Loading…
Loading…
Practical insights on energy, building automation, and compliance for buildings and industry, by the Cobler team.
TNB Bills & TariffsPanduan baris demi baris bil elektrik komersial dan industri TNB di bawah tarif RP4: lima komponen caj, di mana mencari bacaan MD dan faktor kuasa. Termasuk tanda-tanda bil yang patut anda siasat.
TNB Bills & TariffsUnder TNB's RP4 tariff, every kW kept off your monthly peak interval is worth RM89.27 to RM97.06. Whether a standby genset can beat that depends on one number: how many hours a month it has to run.
TNB Bills & TariffsA Medium Voltage site peaking at 1,000 kW pays around RM89,270 a month in demand charges before any energy is billed. Nine common causes of a jumped commercial TNB bill, each with what to check on the bill and what to check in the building.
TNB Bills & TariffsLoad factor tells you whether you are paying TNB for capacity you actually use or capacity you touch once a month. Here is the formula, a worked RP4 example where two identical-kWh sites sit RM26,781 apart, and how to raise it.
TNB Bills & TariffsConnected load is the sum of your nameplate ratings. Maximum demand is the highest 30-minute average your meter records, and it is the one TNB charges you for. Here is the difference, the demand factor that links them, and what it costs in ringgit.
TNB Bills & TariffsOn 1 July 2025 TNB retired the C1, C2, E1 and E2 letters and replaced them with voltage-based categories, each with a General or Time-of-Use option. Here is how the new TNB tariff categories work, where your old letter lands, and what the five bill components actually cost you.
TNB Bills & TariffsRooftop solar cuts kWh, but it rarely touches the maximum demand charge that TNB bills on a single 30-minute interval. Here is why, and what actually protects your kW line under RP4.
TNB Bills & TariffsTen 22 kW AC chargers stacking inside one 30-minute peak interval can add over RM21,000 a month in RP4 demand charges. How building operators manage EV charger load before it hits the meter.
TNB Bills & TariffsSolar ATAP settles C&I export at ~19 sen/kWh while self-consumed solar avoids 28-52 sen. Why your load profile, not the scheme, decides rooftop payback under the post-NEM rules.