To some it is a PITA to do what I have done, but I routed it just behind the radiator fan on the driver's side and then lay the plug by the air filter box, just inside of the edge where the edge of the hood goes. The plug end will drop into a small space there and keep everything out of the way.
When I plug it in, I put a blanket over the engine after raising the hood to get plug access.
Why all this bother? Yes, I admit it is a bother. OTOH, if I didn't have the hood up, some morning I'd jump into the car and drive off without unplugging it, and rip up stuff, possibly causing shorts, circuit breaker pops, or possibly a fire.
I'm just trying to protect me from myself.
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"I love the smell of [burning diesel] in the morning. It smells like ... victory!"