IoT Solar Panel Monitoring System

Solar installations need monitoring to ensure optimal performance. An IoT Solar Panel Monitoring System tracks power generation, voltage, current, and environmental conditions, helping identify issues and maximize efficiency.

Why This Project Is Popular

India's solar capacity is growing rapidly. Solar monitoring is essential for both residential and commercial installations. This project teaches power measurement, energy metrics, and industrial IoT applications.

Project Ideas or Guide

Build comprehensive solar monitoring:

• Voltage Measurement: Voltage divider to measure panel voltage safely.
• Current Measurement: ACS712 sensor measures current from panels.
• Power Calculation: P = V × I for instant power.
• Energy Logging: Accumulate Wh (Watt-hours) over time.
• Weather Integration: Fetch weather data to compare expected vs actual output.
• Dashboard: Real-time and historical charts on cloud dashboard.
• Alert System: Notify when panel underperforming or disconnected.

Components Used

• ESP32
• ACS712 Current Sensor
• Voltage Divider Circuit
• DHT22 (temperature)
• BH1750 (light intensity)
• OLED Display

FAQ

Q: Can this work with grid-tied systems?

A: Yes, measure output at inverter before grid connection.

Q: How accurate is current measurement?

A: ACS712 has ±1.5% accuracy, sufficient for monitoring.