Home Assistant template for Energy consumption based on TNB (Tenaga Nasional Berhad) Malaysia
This template only supports for single phase user. Will add for 3 phase soon inshaAllah

1. Energy Sensor Integration (via CT Clamp, Smart RCCB and others) -> refer here
   (Highly recommended - Shelly EM or 3EM with CT Clamp)

• Shelly EM - link
• Shelly 3EM - link

1. Copy all files into your Home Assistant directory and paste all files into \config.
2. Enable package in configuration.yaml by adding the following line into the config file

homeassistant:
  packages: !include_dir_named HAMY/

3. Restart Home Assistant to take effect.
4. Create new dashboard (lovelace) and copy the templates lovelace-ui-1phase.yaml
5. Define energy source

• Bro Ishak for initial template
• Bro Hannan
• HomeAssistantMalaysia

This template uses TNB bill calculation method to calculate energy consumption only, and does not include other charges such as 1% late payment, 1.6% Kumpulan Wang Tenaga Boleh Baharu (RE Fund), Power Factor surcharge, Connected Load Charge (CLC) penalty etc.

More info from TNB here