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Detailed installation case study, challenges, and verified generation yields of a 3 kW solar array.
Project Core Statistics
- System Capacity: 3 kW
- Annual Generation: 4,380 Units (kWh)
- Annual Financial Savings: ₹37,230
- ROI Payback Period: 3.2 Years
- Carbon Offset: 3.5 Tonnes / year
Project Details: 3kW Residential On-Grid Solar in Velachery
This case study documents the technical engineering design and net-metering integration executed by IKIGAI GLOBAL for Mrs./Mr. Venkatesh Prasad in Velachery, Chennai. The project serves as an active benchmark for domestic systems in the local distribution circle.
1. Operational Challenge
Limited roof area on a multi-story home with slight shading from neighboring structures.
2. Engineered Solution
We designed an elevated GI structure to clear the shadow zones, maximizing sunlight exposure throughout the day, and installed high-efficiency Mono PERC panels.
3. Bill of Materials (BoM) & Specifications
| Component | Specification Details |
|---|---|
| Solar Modules | 6 x 550W Mono PERC Half-Cut Panels |
| Solar Inverter | 3kW Single 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 2026-01-20, 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.