Solar panel installation करने से पहले सबसे बड़ा question होता है – “मुझे कितनी savings होगी?” इस detailed guide में हम आपको बताएंगे कि कैसे आप अपनी exact savings calculate कर सकते हैं।
Savings Calculation Formula
Solar savings calculate करने के लिए यह formula use करें:

Monthly Savings = Solar Generation (units) × Per Unit Rate
Example:
• System Size: 3KW
• Monthly Generation: 360 units
• Current Electricity Rate: ₹7 per unit
• Monthly Savings = 360 × ₹7 = ₹2,520
अगर आपका current bill ₹3,000 है तो यह 84% savings है!
System Size Selection
अपने लिए सही system size choose करना बहुत important है:
2KW System: 2-3 BHK, Monthly Bill ₹2,000-3,000
3KW System: 3-4 BHK, Monthly Bill ₹3,000-5,000
5KW System: Large Home/Villa, Monthly Bill ₹5,000-8,000
10KW System: Commercial/Multiple Units, Bill ₹10,000+
Rule of Thumb: आपका solar system capacity = Monthly Units Consumed ÷ 110
Rule of Thumb: आपका solar system capacity = Monthly Units Consumed ÷ 110
20 Years Savings Calculation
Solar panels 25+ years चलते हैं। आइये देखें long-term savings:
3KW System Example:
• System Cost: ₹1,85,000
• Monthly Savings: ₹2,520
• Yearly Savings: ₹30,240
• 5 Years Savings: ₹1,51,200 (Investment recovered!)
• 10 Years Savings: ₹3,02,400
• 20 Years Savings: ₹6,04,800
ROI (Return on Investment): 4-5 years
इसके बाद के 15-20 years pure profit!

