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Detailed installation case study, challenges, and verified generation yields of a 20 kW solar array.
Project Core Statistics
- System Capacity: 20 kW
- Annual Generation: 29,200 Units (kWh)
- Annual Financial Savings: ₹2,48,200
- ROI Payback Period: 2.8 Years
- Carbon Offset: 23 Tonnes / year
Project Details: 20kW Commercial Rooftop Solar in Porur
This case study documents the technical engineering design and net-metering integration executed by IKIGAI GLOBAL for Mrs./Mr. enwood Healthcare Clinic in Porur, Chennai. The project serves as an active benchmark for domestic systems in the local distribution circle.
1. Operational Challenge
The commercial building has high afternoon loads due to medical machinery and central air conditioning, leading to massive electricity overheads.
2. Engineered Solution
Installed a 20kW grid-tied solar system on their flat concrete roof, synchronized with the grid. Substantially cut their peak daytime tariff consumption.
3. Bill of Materials (BoM) & Specifications
| Component | Specification Details |
|---|---|
| Solar Modules | 36 x 550W Mono-Crystalline Modules |
| Solar Inverter | 20kW Three Phase Grid-Tie Inverter |
| Mounting Structure | Anchor fast-fasteners and customized elevations GI profiles |
| Grid Connection | TANGEDCO Bidirectional Net-Metering Approval |
4. Financial Yield and Performance Audit
Since commissioning on 2026-02-18, the array has consistently yielded 4.1 kWh/kWp daily, aligning with our original PVSyst generation profiles. The client has recorded a 90% drop in active utility consumption fees, offsetting higher-slab charges.