TNEB Analyzer (WATT Meter) is a smart web-based electricity consumption and bill estimation system built using Tamil Nadu Electricity Board (TNEB) slab rates.
It allows users to add household devices, track energy usage, and calculate accurate monthly and yearly electricity bills with visual analytics.
- Email & Password login
- Google Sign-In
- Password reset
- Secure authentication using Firebase Auth
- Add electrical devices with:
- Device name
- Power (Watts)
- Daily usage (Hours)
- Edit & delete devices
- Predefined common devices with auto wattage fill
- All data saved per user using Firebase Realtime Database
- Daily, Monthly & Yearly energy usage (kWh)
- Total monthly units calculation
- TNEB slab-wise bill calculation
- Billing breakdown by slab
- Consumption level indicator:
- Low
- Moderate
- High
- Pie chart showing device-wise energy consumption
- Animated consumption meter
- Slab-wise cost breakdown
- Energy-saving tips shown dynamically
- Random smart tips displayed after calculation
- Helps users reduce electricity usage and bill amount
- First 100 units – Free
- Next 100 units – ₹2.25/unit
- Next 200 units – ₹4.50/unit
- Next 100 units – ₹6.00/unit
- Next 100 units – ₹8.00/unit
- Next 400 units – ₹9.00/unit
- Remaining units – ₹10.00/unit
- Frontend: HTML, CSS, JavaScript
- UI Framework: Bootstrap 5
- Animations: Animate.css
- Icons: Font Awesome, Bootstrap Icons
- Charts: Chart.js
- Backend: Firebase
- Authentication
- Realtime Database
- Hosting: Firebase Hosting
- Mobile-friendly UI
- Bottom navigation for easy access
- Optimized for smartphones and desktops
- Monthly bill history
- PDF bill report download
- Appliance usage suggestions
- Dark / light mode toggle
- Admin dashboard for analytics
- Multi-language support (Tamil / English)
Sakthivel
Department of Information Technology
PKN College of Arts & Science
This project is developed for educational purposes only.
Actual electricity bills may vary based on official TNEB charges, subsidies, and policy updates.