Rising grid tariffs
C&I electricity tariffs have climbed 6–8% annually, with further increases projected under the new Electricity Act framework.
The opportunity
For industrial enterprises, structured renewable-energy adoption is no longer philosophical, it is mathematical. Commercial & industrial tariffs in India have risen 6–8% a year for a decade, and every point compresses margins for energy-intensive industry.
- Simple payback
- 0.0–7 years
- for well-structured industrial solar
- IRR
- 0–28%
- annualised, by system size and tariff band
- NPV
- Positive from Year 0
- in most C&I deployments
- Accelerated depreciation
- Up to 0% in Year 1
- under Indian IT provisions
- Electricity cost savings
- ≈ 0% below grid
- predictable over a 25-year asset life
Drivers
What is forcing the decision
Four pressures have turned the C&I solar question from an ESG initiative into a board-level financial one.
Carbon regulation pressure
India's Carbon Credit Trading Scheme and global supply-chain requirements are pushing manufacturers to prove measurable carbon reduction. Solar is the most bankable proof point.
Grid vulnerability
The industrial grid remains exposed to demand-side volatility and power-quality fluctuations, a hidden operational cost most enterprises underestimate.
A unique window
Module prices are at historic lows while PM-KUSUM incentives, accelerated depreciation and ISTS charge waivers remain in force.
Context
A national shift
India's installed solar capacity crossed 80 GW in 2024, with a national target of 500 GW of renewable capacity by 2030. The C&I segment is the fastest-growing sub-sector, driven by financial logic as much as sustainability mandates.
