💰 Economic Analysis Calculator
💰 Investment Cost
Equipment Cost (USD)
Installation Cost (USD)
Other Costs (USD)
🔧 Operating Cost
Annual Maintenance Cost (USD/year)
Battery Replacement Cost (USD)
Battery Replacement Cycle (years)
Grid Electricity Price (USD/kWh)
US residential average (EIA 2026): $0.18/kWh
📈 Benefit Parameters
Annual Energy Generation (kWh/year)
System Lifetime (years)
Discount Rate (%)
📊 Calculation Results
Calculate
Investment Analysis
Initial Investment:
-
USD
Annual Operating Cost:
-
USD/year
Benefits Analysis
Annual Electricity Savings:
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USD/year
Annual Net Savings:
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USD/year
Economic Indicators
Payback Period:
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years
Net Present Value (NPV):
-
USD
Levelized Cost of Energy (LCOE):
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USD/kWh
Economic Evaluation
Economic Rating:
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📋 Reference Standards
ISO 15686-5
Whole Life Costing
ASTM E833
Building Economics
NREL
LCOE Methodology
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