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Power Factor Surcharge
A Power factor surcharge is imposed when your power factor is less than 0.90 (electricity supply 132kV and above) or less than 0.85 (electricity supply below 132 kV).
Core Business
Read more about TNB Core Businesses such as TNB Power Generation Sdn Bhd (TNB Genco) and Divisions.
Operation & Maintenance
Read about our Operation and Maintenance services.
Product Delivery
Overview of product delivery responsibility, cost and delivery order
Open an Account
An overview of the process of applying for new supply, with a list of required documents.
Open an Account
An overview of the process of applying for new supply, with a list of required documents.
Training & Development
Find out where we carry out our training and development.
Definition of Power Quality based on Technical Standards
Click for the definition of Power Quality according to technical standards.
FAQ
FAQ on Low Voltage Data Collection Using Mobile Mapping Technology For GIS Project (Geographical Information System), Distribution Network
Cyber Security Measures
Digitalizing a grid opens it to the possibility of cyber threats, and thus requires protective measures to keep the power supply uninterrupted, and your data secured.
Smart Meters and their Benefits
Smart Meters are a new way for Malaysians to get their meter readings for a better energy experience.
Smart Grid News
This section contains a collection of news articles about Smart Grid.
Energy Efficiency Label
Click here to know about energy efficient labels.
TNB Research
TNB Research has been the in-house solution provider for Tenaga Nasional Berhad since 1993.