The original source [1] has a graphic at the bottom where it says about 300m kWh per year currently, so about 34MW on average if I didn't miscalculate. 1: http

The original source [1] has a graphic at the bottom where it says about 300m kWh per year currently, so about 34MW on average if I didn't miscalculate. 1: https://www.ianvisits.co.uk/blog/2017/06/10/cooling-the-tube-engineering-heat-out-of-the-underground/ https://www.ianvisits.co.uk/blog/2017/06/10/cooling-the-tube...