3 kW Solar System in Chennai
The Most Popular Residential Solar Sizing for 3BHK Homes in Chennai & Tamil Nadu
A 3 kW rooftop solar system in Chennai costs between ₹1,80,000 and ₹2,20,000 before subsidy. Under the PM Surya Ghar scheme, residential homeowners receive a ₹78,000 direct bank subsidy, reducing the net out-of-pocket cost to approximately ₹1,02,000 to ₹1,42,000. It produces 12 to 14 units per day, saving ₹2,500 to ₹3,500 monthly on EB bills.
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Technical Specifications & System Sizing
Tier-1 engineering standards built to withstand Tamil Nadu weather conditions and TANGEDCO grid parameters.
Hardware Specifications
- System Capacity
- 3.3 kWp (Using 6 x 550W Tier-1 TOPCon Bifacial Modules)
- Daily Power Generation
- 12 to 14 Units (kWh) / day (Chennai average)
- Monthly Generation
- 360 to 420 Units (kWh) / month
- Annual Generation
- 4,500 to 5,000 Units (kWh) / year
- Required Terrace Space
- 200 to 240 Sq. Ft. shadow-free area
- Solar Inverter
- 3 kW Single-Phase Grid-Tie with Dual MPPT & Real-time WiFi App
Estimated Investment & Subsidy
- Capacity Scope
- 3 kW (3.3 kWp) On-Grid Rooftop System
- Gross Price
- ₹1,80,000 – ₹2,20,000 (Gross Turnkey Price)
- Central Subsidy
- ₹78,000 Direct Bank Transfer (DBT)
- Net Investment
- ₹1,02,000 – ₹1,42,000 (Net Out-of-Pocket)
- Payback Period
- 3.2 to 3.8 Years
Zero Your Domestic EB Bill with a 3 kW Solar System in Chennai
A 3 kW on-grid solar system is the ideal capacity for typical 3BHK homes and independent floors in Chennai running lights, fans, refrigerator, washing machine, television, and 1 to 2 split air conditioners. By generating 360 to 420 units per month, it covers the majority of domestic bimonthly consumption, shielding families from expensive upper-tier TANGEDCO tariff brackets.
End-to-End Turnkey Execution Workflow
From site survey to TANGEDCO net meter synchronization, IVR Energy manages every milestone.
Free Roof Survey
Assess terrace area, shadow obstructions, and TNEB meter service number.
Portal Application
Register on PM Surya Ghar portal and secure TANGEDCO technical feasibility.
1-Day Installation
Mount structure, install 6 high-efficiency panels, inverter, and chemical earthing.
Net Metering & ₹78k Credit
TANGEDCO bi-directional meter install and direct DBT subsidy credit to your bank account.
Proven Project Track Record
Explore real solar installations delivered by IVR Energy across Chennai and Tamil Nadu.
3 kW Residential Rooftop
Private Home
3 kW Subsidy System
Independent House
3.3 kW Pergola Solar
Terrace Villa
3 kW Residential System
Independent Floor
Frequently Asked Questions
Clear answers on pricing, subsidies, roof sizing, and TANGEDCO net metering.