Load Backup Time & Battery Capacity Calculation

Appliance Power Consumption


Note: All calculations are based on theoretical values and show approximate calculations. They can vary as per battery aging and IPS losses.

S. No.Appliances*Approx. Load In Watt
1CFL20 W
2LED Light15 W
3Ceiling Fan80 W
4Table Fan70 W
5Water Cooler400 W
6Air Conditioner3500 W
7Microwave2000 W
8Electric Kettle1000 W
9TV250 W
10Decoder60 W
11Laptop60 W
12Desktop200 W
13Refrigerator350 W
14Induction Heater1500 W
15Iron1500 W
16Geyser2000 W
17Mercury Light400 W
18Halogen Light400 W
19Room Heater1000 W


How to Size a Solar System | Kreatives.co.ke

How to Size a Solar System

A Step-by-Step Guide by Kreatives.co.ke

Why Size Your Solar System Correctly?

Sizing a solar system accurately ensures you meet your energy needs without overspending on unnecessary equipment. Whether you're going off-grid, hybrid, or grid-tied, proper sizing optimizes efficiency and cost. This guide, tailored for Kenyan homes and businesses, walks you through the process with interactive tools.

Step 1: Calculate Your Energy Needs

Start by determining your daily energy consumption in watt-hours (Wh). List all appliances, their power ratings (watts), and hours of use per day.

Interactive Energy Calculator

Step 2: Determine Solar Panel Capacity

Divide your daily energy needs by the average peak sun hours (PSH) in your area. In Kenya, PSH typically ranges from 4.5 to 6 hours.

Solar Panel Sizing Tool

Step 3: Size Your Battery Bank

Batteries store energy for use when the sun isn't shining. Calculate battery capacity based on your daily energy needs and desired autonomy (days without sun).

Battery Sizing Tool

Step 4: Select an Inverter

Your inverter must handle the total power (watts) of all appliances running simultaneously. Add a 20-30% buffer for efficiency.

Inverter Sizing Tool

Why Choose Kreatives.co.ke?

At Kreatives.co.ke, we provide expert solar solutions tailored for Kenyan homes and businesses. Our team offers consultations, installations, and maintenance to ensure your solar system performs optimally.

Get a Free Quote
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