Just a data point, but according to this German wp article, only 11 percent of US farms had electricity in 1934, while the share of farms with electricity in Germany and France was around 90 percent at the same time.
In Europe the situation, for most countries, was different.
Gas and Electricity development was something that was developed on a local level.
For street lighting, Electricity replaced Gas rather swiftly after 1884.
1895 steetcars were electrified and after 1902 the underground system being build also used electricity.
For households, ...
I have traced back this claim to its original source. Come along with me on this journey! Let's start with a source which used to be linked on Wikipedia and is commonly cited online:
For ten miles in a direct line on the darkest night the pedestrian could walk securely through the city and its environs by the light of innumerable lamps.
Samuel Parsons Scott,...