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Return on investment for renewable energy projects compares installation cost to energy savings and incentive values over system lifetime.

सूत्र

Calculate: ROI = (annual savings × years - installation cost) / installation cost × 100%
ROI
(annual savings × years - installation cost) / installation cost × 100% — (annual savings × years - installation cost) / installation cost × 100%

चरण-दर-चरण मार्गदर्शिका

  1. 1Calculate: ROI = (annual savings × years - installation cost) / installation cost × 100%
  2. 2Include tax credits (often 30%), net metering credits, maintenance costs
  3. 3Typical payback: solar 6-10 years, wind 6-8 years

हल किए गए उदाहरण

इनपुट
Solar install $10,000, annual savings $2,000, tax credit $3,000, 25-year life
परिणाम
ROI ~450%, payback 5 years
Excellent investment

सामान्य गलतियां जिनसे बचना है

  • Forgetting tax incentives in calculations
  • Not accounting for inflation in long-term projections

अक्सर पूछे जाने वाले प्रश्न

Should renewable energy investments be evaluated like other investments?

Yes, though non-financial benefits (emissions, independence) matter too.

How do incentives affect ROI?

Dramatically; 30% federal credit cuts payback from 8 to 5 years, making projects viable.

सेटिंग्स