☀️ Professional Solar Calculator
Calculate your solar investment ROI, savings, and environmental impact
🌍 Select Your Region
Choose your region for automatic presets (you can modify values later)
💰 Financial Inputs
$
Full installation price quoted
%
Federal/local rebates as percentage
$
% APR
years
%
%
⚡ Solar System Inputs
kW
%
%
kWh
$
🌞 Environmental & Energy Inputs
hours
Average daily peak sun hours in your area
$/kWh
kWh/year
kg/kWh
Grid carbon intensity (0.85 global average)
💵 Cost Metrics
Cost per Watt
$0.00
Cost per kW
$0.00
Net Cost (After Incentives)
$0.00
Price Quality
⚡ Energy Production
System Efficiency
0%
Annual Production
0 kWh
25-Year Production
0 kWh
% of Your Consumption
0%
💰 Financial Returns
Annual Savings
$0.00
25-Year Savings
$0.00
Payback Period
0 years
Net ROI
0%
🌱 Environmental Impact
Annual CO₂ Avoided
0 kg
25-Year CO₂ Avoided
0 kg
Carbon Neutrality
0 years
🌳
0
Trees Planted Equivalent
🚗
0
Car Miles Offset
🏠
0
Homes Powered Annually
📈 25-Year Payback Curve
📊 Monthly Bill Comparison
🌍 Carbon Savings Over Time
📋 2024-2025 Regional Solar Pricing Reference
| Region | Typical Cost/Watt | Average System Size | Typical Range |
|---|---|---|---|
| 🇺🇸 United States | $2.50 - $3.50 | 6-8 kW | $15,000 - $28,000 |
| 🇪🇺 Europe (avg) | €2.00 - €3.00 | 5-7 kW | €10,000 - €21,000 |
| 🇬🇧 United Kingdom | £1.80 - £2.80 | 4-6 kW | £7,200 - £16,800 |
| 🇦🇺 Australia | A$1.50 - A$2.50 | 6-10 kW | A$9,000 - A$25,000 |
| 🇨🇦 Canada | C$2.80 - C$3.80 | 6-8 kW | C$16,800 - C$30,400 |
| 🌏 Asia (avg) | $1.20 - $2.50 | 5-8 kW | $6,000 - $20,000 |
⚠️ Important Disclaimers
- These are estimates based on provided inputs. Actual results may vary.
- Final quotes depend on: roof type, installer brand, permits, labor costs, region, and technology chosen.
- This tool is designed to help you benchmark quotes, not replace professional solar installers.
- Solar panel performance can be affected by shading, orientation, tilt, weather, and local conditions.
- Incentives and tax credits vary by jurisdiction and may change. Consult local authorities.
- Battery storage economics depend on utility rate structures and usage patterns.