39kW Solar Installation at National Power Engineering Company by SolarLogix
SolarLogix successfully designed and executed a 39 kW industrial rooftop solar power plant for National Power Engineering Company, a manufacturing unit under the fabrication sector, located at Siliguri, West Bengal.
The project was developed to address high continuous power demand, reduce electricity costs, and ensure stable, uninterrupted energy supply for fabrication operations, while maintaining advanced safety and grid compliance.
This installation stands as a reference rooftop solar project for engineering and manufacturing units in West Bengal.
📍 Project Details
| Parameter | Details |
|---|---|
| Client Name | National Power Engineering Company |
| Industry | Manufacturing / Fabrication |
| Location | Siliguri, West Bengal |
| Installed Capacity | 39 kW Rooftop Solar Plant |
| Structure Type | TATA Power Certified Sheet Roof Assembly |
| Solar Modules | TATA Power Make Monoperc 500 Series |
| Inverter Type | TATA Power Certified Solis/Goodwe String MPPT |
| Grid Integration | Net Meter Liaisoning |
| Safety Systems | Conventional Lightning Arrester |
| Maintenance | GI Walkway & Manual Cleaning System |
| Monitoring | Remote Monitoring with Live Feed |
| Insurance | TATA AIG Insurance Enabled |
⚙️ Engineering & Safety Highlights
The system was engineered with a strong emphasis on industrial reliability, safety, and performance:
✔ Net Meter liaisoning for grid-interactive energy savings
✔ Conventional lightning arrester for surge protection
✔ SS304 Safety Line with Line Tensioner for rooftop worker safety
✔ GI Walkway with Purlin to Purlin mounting for safe maintenance access
✔ Remote monitoring system for real-time energy and performance tracking
The design ensures high uptime and long service life, critical for heavy-duty fabrication environments.
⚡ Performance & Financial Impact
-
Specific Generation: ~1350 units per kW per year
-
Estimated Annual Generation: ~52,650 units
-
Applicable Grid Tariff: ₹7.0 / unit
-
Estimated Annual Savings: ~₹3.68 Lakhs
-
Payback Period: ~4 to 6 years
-
System Life: 25+ years
The solar plant significantly reduces grid electricity costs, delivering predictable long-term savings for the fabrication facility.
🌱 Environmental Impact
This 39 kW rooftop solar installation contributes to:
🌍 ~808.95 tons of CO₂ emissions avoided
🌳 ~949.68 trees planted (equivalent)
🏭 ~401.18 tons of coal burn avoided
🚗 ~3.18 million km of petrol consumption offset
A strong step towards sustainable, energy-efficient manufacturing operations.
