Practical insights on energy, building automation, and compliance for buildings and industry, by the Cobler team.
TNB Bills & TariffsFeaturedMaximum demand is the quiet line item inflating Malaysian electricity bills. Under TNB's RP4 tariff, cutting TNB maximum demand charges is now worth roughly RM89-RM97 per kW, every month.
TNB Bills & TariffsA decision guide to the TNB ToU tariff under RP4: the 2pm-10pm peak window, the under-reported off-peak maximum demand exemption, and how to model a switch from General with your 30-minute interval data.
TNB Bills & TariffsRooftop solar payback in Malaysia depends as much on monitoring as on the panels. Here is what to measure, why it matters under SelCo and Solar ATAP, and how to protect a 20-year asset.
TNB Bills & TariffsBESS can shave the peak demand that drives your TNB Capacity and Network charges, but only accurate dispatch and monitoring decide whether it pays back.
TNB Bills & TariffsMaximum demand drives some of the largest charges on a Malaysian commercial bill, and TNB changed how it is billed in July 2025. Here is how MD is measured, charged, and reduced.