Complete Cost Breakdown
400W System
2 × 200W Panels $300-$400
Microinverter $200-$300
Mounting Hardware $50-$100
Cables & Connectors $50-$75
Permits (if needed) $0-$200
Total $600-$1,075
800W System
4 × 200W Panels $600-$800
Microinverter $300-$500
Mounting Hardware $100-$150
Cables & Connectors $75-$100
Permits (if needed) $0-$300
Total $1,075-$1,850
Price per Watt Analysis
$1.50-$2.00
400W System
$1.35-$2.30
800W System
$2.50-$4.00
Professional Install
How to Save Money
1. DIY Installation
Save $500-$1,500 by installing yourself. Most balcony systems are simple enough for DIY.
2. Buy During Sales
Black Friday, Prime Day, and end-of-season sales can save 15-25% on panels and inverters.
3. Use Federal Tax Credit
30% federal ITC reduces your net cost significantly. $1,200 system costs $840 after credit.
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Pro Tip
Calculate your exact ROI including all costs and tax credits with our free calculator. See how quickly your system pays for itself based on your location and electricity rates.