The answer to 'why is my electrical meter buzzing noise' is that a buzzing or humming sound coming from your electrical meter is usually caused by a problem with the meter itself or the electrical wiring and connections. This could be due to loose connections, faulty components, or issues with the power supply.
The buzzing noise may indicate that there is an electrical issue that needs to be addressed. It's important to investigate the cause of the buzzing to ensure your electrical system is safe and functioning properly. If the buzzing persists or you are unsure of the cause, it's best to call a licensed electrician to inspect the meter and electrical system.