Find your perfect solar setup in minutes. Calculate panels, batteries, and inverter size with our easy, step-by-step solar calculator.
Solar System Size Calculator | Outland Energy Solutions
Solar Simplified: System Calculator
Pick what you want to power. We’ll estimate your daily energy use, recommend a system voltage, and size your array, batteries, and inverter.
Appliances to run
Check what you’ll use each day. Adjust hours or quantity if needed.
Use
Appliance
Watts
Qty
Hours/day
Refrigerator (18–20 cu. ft.)
Chest Freezer (7–10 cu. ft.)
LED Lights (10W bulbs)
Laptop
TV (LED 40–55")
Microwave
Coffee Maker
Ceiling Fan
Window AC (small)
Phone Chargers
Water Pump (1 hp)
Space Heater (portable)
Internet Modem/Router
Estimated System
—
Daily energy use (kWh)
—
Solar array size (W)
—
Estimated panel count
—
100Ah batteries (est.)
—
Inverter (continuous W)
► Advanced Selections — click to expand
Peak load is estimated from selected appliances using a diversity factor per use type. Heavy/short-duty loads (microwave, heater, pump, AC) are treated at 100% for peak.
Estimates only. Final designs should be verified by a qualified installer. Weather, seasons, and appliance usage vary.
