Definitions for "Diesel Generator"
is a standby source of emergency electrical power needed to power pumps and valves to provide cooling water to the fuel in the reactor to prevent its overheating and possible melting.  The diesel generator is designed to start up and provide power automatically if normal power is lost.
a good choice for larger commercial applications, such as providing power at construction sites, that require both portability and a lot of power
an excellent power source for an off grid home, except most off grid applications have a propane stove and propane heater to supplement a wood stove and that means you now have to deal with two fuel tanks and keep both serviced