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☀️ Solar Panel Savings Calculator
Estimate your solar investment, savings, and environmental impact
⚡ Your Energy Profile
Monthly Electric Bill ($)
Electricity Rate ($/kWh)
Usable Roof Area (sq ft)
US Region (Sun Hours/Day)
Northeast (3.5 hrs)
Midwest (4.0 hrs)
Southeast (4.5 hrs)
Mountain West (5.0 hrs)
Southwest (5.5 hrs)
Desert SW / Hawaii (6.0 hrs)
🛠️ System Configuration
System Size (kW)
Cost per Watt ($)
Federal Tax Credit (%)
State Incentive ($)
Panel Degradation (%/yr)
Electricity Escalation (%/yr)
💰 Financing Options
Solar Loan APR (%)
Loan Term (years)
Lease/PPA Monthly ($)
Lease Escalator (%/yr)
Calculate Solar Savings
📈 Investment Summary
Gross System Cost
Federal Tax Credit
State Incentive
Net Cost (After Incentives)
💲 Savings Breakdown
Monthly Savings
Year 1 Savings
Payback Period
25-Year Savings
25-Year ROI
🌳 Environmental Impact
🌎
tons CO2 offset per year
🌳
equivalent trees planted (25 yrs)
📊 Cash vs Loan vs Lease (25-Year)
Cash
Loan
Lease/PPA
Upfront Cost
$0
$0
Total Paid
25-Yr Savings
Ownership
You
You
Lessor
📈 Break-Even & Cumulative Savings
📅 Year-by-Year Savings
Year
Production (kWh)
Savings ($)
Cumulative ($)