An industrial unit with a connected load of 150 kW has a monthly consumption of electricity at an average tariff of Rs. 9 per unit. It has a total roof area of 12,000 sq. ft. with some obstructions.
- Area wasted due to shadow creating obstructions = 2000 sq. ft.
- Usable area = 10,000 sq. ft.
- Recommended solar capacity = 100 kW
- Monthly savings on electricity bill = Rs. 1,08,000 approx.
Lifetime sustainability gains:
- Trees saved = 4,700 approx.
- Reduction in CO2 emissions = 2,826 metric tons approx.