My wife drinks tea, I drink coffee. Both of us grudge the time needed to heat water in our 120V American electric kettle compared to European 240V kettles. I^2 makes a big difference.
We use a hot water pot at home, a Zojirushi. Never have to bother with hot water, it's always available and the thing uses a negligible amount of electricity (we're almost entirely on solar anyway, so it's a moot point for our family) comparable to all of our other appliances.