Kilowise: Solar Load Planner

Kilowise is an offline solar and backup power planner for homes, shops and small offices. List the appliances you want to run, and Kilowise sizes the inverter, battery bank, solar panels and cables for you in seconds. No sign-in, no account, no ads. Everything is calculated and stored on your device. WHY KILOWISE Planning a solar or UPS system usually means guessing wattages and juggling formulas. Kilowise turns your load list into clear, practical numbers you can take to a supplier or installer, and helps you plan around power outages. LOAD CALCULATOR • Appliance library with typical wattages for fans, ACs, fridges, lights, TVs, pumps and more • Set quantity and hours per day for every appliance • Running load, peak surge load and daily energy (kWh) update instantly • Motor loads automatically include starting surge INVERTER & UPS SIZE CALCULATOR • Recommended inverter size in kVA with power factor and safety margin • Surge check against peak starting load • Suggested DC system voltage: 12 V, 24 V or 48 V BATTERY BACKUP CALCULATOR • Backup time for lithium (LiFePO4) and lead-acid batteries • Depth of discharge and inverter efficiency included • Battery bank wiring: series and parallel configuration with total kWh SOLAR PANEL CALCULATOR • Number of panels and array size (kWp) from your daily energy • Peak sun hours and system losses you can adjust • Estimated monthly generation chart and roof area WIRE SIZE & BREAKER CALCULATOR • Cable size in mm² from current, length and allowed voltage drop • AC and DC circuits, copper or aluminium • Suggested breaker rating and a clear voltage-drop meter OUTAGE PLANNER • Add your daily outage (load-shedding) blocks on a 24-hour timeline • See which outages your battery can cover • Group loads into Essential, Comfort and Heavy to stretch your backup ELECTRICITY BILL ESTIMATOR • Monthly units (kWh) from your load list • Enter your own tariff per unit and fixed charges • See which appliances use the most energy PROJECTS & REPORTS • Save separate projects for home, shop or office • Clean system report with design checks • Export the report as a PDF and share it with your installer ELECTRICAL TOOLBOX • Ohm's law calculator • kW to kVA and amps to watts converters (AC and DC) • Solar panel tilt angle helper • Unit converter for W, kW, HP, BTU/h and kWh PRIVATE BY DESIGN • No sign-in and no account • No ads and no in-app purchases • Works fully offline • No permissions required • Your projects never leave your device. Export a backup file whenever you want CLEAN LIGHT DESIGN A modern, easy-to-read interface with a floating bottom navigation bar and a quick-size button that is always one tap away. Please note: Kilowise provides engineering estimates to help you plan. Always have final cable, breaker and installation choices confirmed by a qualified electrician and follow your local electrical code. Kilowise is developed by ZATIQ SOLUTION (PRIVATE) LIMITED.