Solar ROI Calculation — 3kW System Example
| Factor | Value |
|---|---|
| System cost (after subsidy) | ₹1,20,000 |
| Monthly generation | 350 units |
| Monthly savings (₹8/unit) | ₹2,800/month |
| Annual savings | ₹33,600/year |
| Simple payback period | 3.6 years |
| System life | 25 years |
| Total lifetime savings | ₹8,40,000+ |
💰 Invest ₹1.2 Lakh → Get ₹8.4 Lakh back over 25 years! That's 600% ROI.
Factors That Improve ROI
- Rising electricity rates — MP rates increase ~5% annually, your savings grow too
- Net metering — Export credits reduce bill further
- Tax benefits — 40% accelerated depreciation for businesses
MP Solar Advantage
Madhya Pradesh receives excellent solar irradiation of 5.0–5.5 kWh/m²/day — among the best in India. Ratlam averages 300+ sunny days per year, making it ideal for solar investment.