Backup Power
Written by Elizabeth Wood
Editor In Chief, United Home Improvement

Every homeowner has experienced a brownout or blackout at some point in their lives. Without a backup power source, several essential appliances can not be used and this makes life a lot more difficult. In today's technology-driven world, homes must now power computers, security systems, and smart-home automation as well as the essential appliances such as refrigerators, lighting, attic fans, and heating and cooling. For this reason, backup power is fast becoming a household necessity.

Investing in a backup power source is something that requires proper planning. You need to acquire a backup power system that can accommodate to the peak power load of all the devices that you would want running on it. Backup power systems are typically rated by the total essential wattage. You must take into consideration the power required for startup as well as the steady-run rate for all appliances. Figuring out how much wattage is needed can often be a daunting task, but a reputable dealer can help assess true wattage needs.

Generators are a great way to add comfort and security during a power outage. During times of inclement weather and other interruptions, you want to be prepared for a possible power outage. Whether you are at home or not during the power outage, installed generators with automatically activate on their own. This will give you that extra security needed during a time of emergency. Keep in mind, when purchasing a generator; it’s more economical to buy a one that's slightly larger than calculations of steady-run rates warrant, because a generator will need to handle all of the appliances coming online at one time.

For residential use, generators can be installed for temporary or for permanent use. They can be run by natural gas, LP propane, or diesel. All types must be installed by a licensed contractor. Installations must meet the National Electrical Code. There are many important safety issues that need to be taken into account before and after installation.

Improper generator installations can lead to a series of unsafe conditions, including electricity being sent back through utility power lines, “back feeding.” To avoid possible damages and injuries, a permanent stand by generator will need a transfer switch to be installed. A qualified electrical contractor will be able to explain these safety measures to you during installation.
In addition to generators, backup battery systems can serve as emergency backups, as well as being a cheaper daily alternative to electricity during peak daytime hours. The two basic components of backup battery systems are an inverter/charger and a set of DC batteries. The inverter/charger converts AC power from the grid to DC to charge the batteries. When power from the grid is lost, the inverter converts the DC battery power to AC for use in the home.

The amount of time that backup battery systems can provide emergency power to the home depends on the overall capacity of the device and the type and number of appliances connected to it. Generally, they are not designed to provide power over an extended length of time.

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