30–300 kW · Indore region
Big, clean roofs
Wide spans with few obstructions — efficient layouts.
Cold chain
Refrigeration loads peak with daytime heat, matching solar output.
Light-weight mounting
Rail systems fixed to purlins keep added load low.
Right-sized
Designed around consumption, not just available roof.
Commercial ROI
12,000
₹9.0
Suggested plant
100 kW
Investment
₹40 lakh
Savings, year 1
₹13.02 lakh
Payback
3.0years
25-year savings
₹4.47 crore
Monthly savings
₹1,08,475
CO₂ avoided / year
103.6t
Before accelerated depreciation and financing. Assumes the plant is sized to daytime consumption; 3% annual tariff escalation.
| Item | 30 kW | 300 kW |
|---|---|---|
| Generation / year | ~43,770 units | ~4,37,700 units |
| Typical investment | ₹11.4 lakh | ₹1.14 crore |
| Savings, year 1 | ~₹3.5 lakh | ~₹35.02 lakh |
| Payback | ~3.2 years | ~3.2 years |
Estimates at ₹8/unit, assuming the plant is sized to daytime consumption.
Lighting, fans, dock equipment and — for cold storage — continuous refrigeration.
FAQ
Most modern metal roofs can: modules and rails add roughly 12–15 kg per square metre. We check purlin spacing, sheet condition and structural drawings before designing.
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