Description of someone so worried about their carbon footprint that they get totally paranoid about everything they do, especially using electrical objects.
- Hey, how come the lights are out in your place?
- I'm just too powernoid to switch anything on now. One more ounce of juice could be the tipping point for the whole planet.
Being paranoid of others with a lot of power, paranoid about your own power, paranoid of power in general.
When Bush was elected into presidency for the second time, I felt powernoid about such stupidity running the United States for yet another grueling four years.