Solar for New Home Construction – Plan Before You Build (2025 Guide)
If you are constructing a new home in India, this is the best time to plan for solar. Installing solar during construction reduces wiring cost, structure cost, and ensures maximum efficiency.
Why You Should Plan Solar During Construction
✔ Concealed wiring
Looks cleaner, enhances safety.
✔ No rooftop drilling later
Civil team can prepare mounting area.
✔ Easy inverter room placement
Dedicated space for inverter + MCBs.
✔ Better wiring management
Reduces voltage drop + improves generation.
Solar System Sizes for New Homes
| Home Type | Recommended Size |
| 2BHK | 2–3kW |
| 3BHK | 3–5kW |
| 4BHK | 5–7kW |
| Villa | 7–10kW |
What to Pre-Plan During Construction
1. Rooftop layout
Leave 200–500 sq. ft free for panels.
2. Conduits for DC wiring
PVC/UPVC pipes from roof to inverter location.
3. Inverter room location
Ideally near main panel board.
4. Earthing pits
Essential for safety.
Cost Benefits
Because wiring and structure prep is easier, you save:
✔ ₹10,000–₹25,000 on wiring
✔ Faster installation later
