Solar System Sizing Calculator
Determine the perfect solar system size for your Cambridge home with our interactive calculator. Get instant recommendations based on your daily energy usage and roof specifications.
System Sizing Calculator
Interactive Calculator Coming Soon
Our advanced solar sizing calculator will help you determine the optimal system size based on:
How We Calculate Your System Size
System Size = (Daily kWh ÷ Peak Sun Hours) × 1.2 Efficiency Factor
Daily Energy Usage
Your average daily electricity consumption in kWh, typically found on your electricity bill.
Cambridge Peak Sun Hours
Cambridge receives 4.8-5.2 peak sun hours daily on average, varying by season and roof orientation.
Efficiency Factor
Accounts for system losses, inverter efficiency, and real-world performance variations.
Example Calculation
Typical Cambridge Home
(15 kWh ÷ 5.0 hours) × 1.2 = 3.6 kW system
This would typically require 9-12 panels depending on panel wattage
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