Off grid load calculator

Run the System Sizing Calculator with with figures from working through the Load Evaluation Calculator , (PDF) based on the energy efficient lighting and energy efficient appliances you will choose for your new off - grid home. Use our Appliance Electrical Consumption Table for average appliance electrical usages. The altE Off - Grid Solar Panel System Calculator helps you size the battery bank, watts of solar panels and the solar charge controller you need.

Calculate solar or wind off - grid system loads or perceived loads by entering information in the blanks. Make your way through the estimator by clicking on the equals button only for the loads you wish to calculate.

Calculate the size of the solar system and battery bank you need to take you off the grid.

Please calculate your off - grid DC system loads or anticipated loads by entering information in the blanks.

The dynamic window on the right-hand side will give the . You may enter the quantity, wattage, and number of hours of operation of each load per day. Enter in the daily usage for the following appliances to see how much energy is used. We can then quote an off - grid system for you!

Off the grid systems must utilize batteries to store DC power from the solar panels and convert it to AC power with an inverter.

If you are not storing enough . The Off - Grid Solar Panel System Calculator helps you size the battery bank, watts of solar panels and the solar charge controller you need. The calculator assumes you will need to size your system to get you through average amount of sun-light in the least sunniest month of the year for your location. Electric oven (generally not recommended for off grid ):, 2. Amp Hour Capacity, Nominal Voltage.

Battery Efficiency, Depth of Discharge. Temperature Derate, Wire Efficiency. Days of Storage, Inverter Efficiency. How much storage you would like your battery bank.

Do you have an alternate source of power— grid intertie or generator— during these days?

Getting the right size battery. Use our Load Evaluation Calculator to find this number. Maximum number of consecutive cloudy . Our Off - Grid Solar Panel System Calculator helps you size the battery bank, watts of solar panels and the solar charge controller you need.

Minimum Number of Required Panels based on location and load sheet. This is like finding out how many gallons of water you need to store for your various water uses. Follow the steps in the following battery bank capacity calculator.

Fill in the following and click on the Calculate button. To help you plan what size solar rig you need to build we have built this handy calculator for you.

Simply add each thing that you will be running, how many Watts it is, and how long you expect to run it each day. Step 1: Calculating Your Amp-hour Needs. To determine the inverter size we must find the peak load or maximum wattage of your home.

This is found by adding up the wattage of the appliances and devices that could be run at the same time. Include everything from microwaves and lights to computers and . Use our online solar load calculator to properly size your solar PV system. A load evaluation is especially important for off - grid solar installations because battery storage is involved.

This calculator will help you get an idea of what size solar array and battery storage system would be sufficient to allow your home to go off grid.