How Many Hours Can a Generator Last

Depending on the quality of the engine, you can expect a portable generator to last between 1000 and 2000 hours. That means if you run your portable generator an average of 100 hours per year, it will last between 10 and 20 years.

How many hours a day can you run a generator?

Most generator manufacturers, however, recommend that you run a generator for a maximum of 500 hours at a time, or just shy of 21 days. This will give you a chance to check oil and coolant levels and let the generator cool down.

How many hours do home generators last?

The overall lifespan will depend on the type and size of your generator, but a typical range is about 1500-3000 hours. You should be powering your generator on for about half an hour each week to exercise it, which means it will run for a minimum of 26 hours per year.