The size of generator needed for a home depends on the total wattage of the appliances and systems that need to be powered. Typically, a home will require a generator providing between 5 kW and 20 kW, depending on the size of the home and the number of appliances.
A 5kW generator is suitable for powering essentials such as lights, fridges and a few small appliances, while larger homes with more extensive needs may require a 20kW generator to cover all electrical systems including heating and air conditioning.
A typical home that needs to run essential appliances and systems during a power outage may require a generator in the 7 kW to 12 kW range. This range is enough to cover the basic needs of most homes, including lighting, refrigerators, a water heater, and possibly a small air conditioning unit.
For homes with higher energy needs, a generator with a capacity of 15 kW to 20 kW may be necessary to ensure that all systems and appliances can be powered simultaneously.
A 3 kW generator can run several essential appliances in the home, but it’s usually not enough to power an entire household simultaneously. It can handle small to medium loads, like a refrigerator, a few lights, a television, and small electronics.
However, it may not be able to run larger appliances like central air conditioning, electric stoves, or water heaters at the same time, so it is better suited to situations where only the most critical items have need electricity.
A 7 kW generator is capable of powering most essential appliances and home appliances. It can usually operate a refrigerator, multiple lights, TV, microwave and other small and medium-sized appliances simultaneously. Additionally, it might be able to handle a smaller air conditioning unit or water heater, depending on the overall load.
This generator size is often sufficient for most homes during a power outage, providing a balance of capacity and efficiency.
An 11 kW generator can power almost all of the essential systems and appliances in a typical home. This includes larger loads such as central air conditioning units, electric water heaters, well pumps, and kitchen appliances like electric stoves or ovens. In most cases, an 11 kW generator is sufficient to maintain normal household operations during a power outage, allowing multiple large appliances to be used simultaneously without overloading the system.