Originally Posted by
homelyboy
I only have data for Moscow Metro (as of 2007). The average power consumption here is 52 W*h per t*km. An average train is about 305 tons, so it is 15.86 kW*h/km.
Sounds a bit excessive, although the 817/14 rolling stock have DC motors that consume more than AC motors, and also are pretty heavy trains.
NYC Subway is on the order of 3.2 kWh/km (given data from
these two pages)