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Preparing for a power outage requires preparation. But how do you determine which size generator you require?

Begin by tallying up all of your running wattage from appliances and lights, as well as any additional starting wattage necessary for devices that require more power to start than they do to run. Then add any starting wattages needed by devices requiring extra energy during startup.

Power Needs

Generators are invaluable during power outages. Generators provide much-needed relief by providing electrical power for household appliances and tools to continue running when the grid fails. There are various sizes and types available so you must understand which will best meet the requirements of your devices before purchasing one to avoid spending more than necessary or getting something that won’t do its job properly.

To determine the appropriate generator size, begin by tallying up all appliances and tools that need power during an outage. This should estimate how much electricity will be required, but remember that certain devices consume more watts when starting up than when running; these surge watts need to be factored into calculations of your power needs.

Small 7500-watt generators can power most household appliances during a power outage; however, you may not be able to run all at once. Instead, prioritize essentials like your refrigerator, sump pump, lights and others before turning to one with higher starting wattage rating for larger motor-driven devices like air compressors and table saws.

Fuel Capacity

Generators must contain enough fuel to last through an unexpected power outage. How much depends on the energy demands of appliances and tools you intend to run and their starting wattage requirements – this must be considered before selecting the ideal generator type for you.

Generators with higher running wattages will be more suited to powering multiple appliances than models with lower wattages, due to their greater ability to start and power motor-driven devices more effectively – meaning more devices can be run at once without fear of loss in efficiency.

When shopping for a generator, look for models with dual fuel capabilities. This allows you to switch between gas and propane, making it more readily available and convenient to store at home if the power goes out; plus, it is less costly and has a longer shelf life than gasoline!

Consider also how many outlets your generator has; more outlets allow it to power more appliances and tools – especially if you live in a large house, where multiple appliances need powering up at once. It will prevent running out of gas too soon and simplify switching appliances.


Physical size often correlates with power capacity of generators. Larger generators usually offer more outlets than their smaller counterparts, making them ideal for simultaneously using multiple appliances and tools. Furthermore, size also affects portability; smaller portable options might be easier to move around but may lack enough sockets to meet all your demands.

While larger models such as the Champion Power Equipment 75532i 2700-Watt Inverter Generator may seem bulky and inconvenient for transporting, larger ones like this one from Champion are still quite lightweight and easily portable. Holding five gallons of fuel at once and weighing only 46.5 pounds makes it simple for anyone to transport it easily. Furthermore, its electric start with Cold Start Technology and Intelligauge provide convenient monitoring capabilities of voltage, frequency and operating hours.

This unit is an excellent option for camping and tailgating trips and home backup power during an outage, thanks to its 9375 starting and 7500 running watts. You can plug it into your home’s electrical system via a manual transfer switch for safe, more reliable power; plus it features dual fuel capability allowing users to choose gasoline or propane with just the turn of a dial! Plus its convenient wheel kit makes moving it from location to location simple!


Generators can be an invaluable asset during power outages that last days. A generator allows you to continue using essential devices and utilities without leaving your house without needing to evacuate. There are various sizes and types of generators available – for running larger appliances such as fridges and freezers a 7,500-watt generator is an ideal option.

Portable generators are convenient tools you can take easily wherever needed, thanks to their foldaway handles and never flat tires for easy transport over rough terrain. Plus, some units feature dual fuel capabilities, providing more flexibility and reducing risk in emergency situations.

It’s essential that when selecting a generator, one understands the differences between Starting Watts and Running Watts ratings. Starting Watts refers to how much power is necessary to start motor-driven appliances. Running Watts measures how much continuous power they draw, helping determine the minimum wattage necessary to power your devices during outages or work sites.


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How to Determine the Size of a Small 7,500 Watt Generator