[Tade0]

The project's cost is estimated to be $50mln, with the battery itself most likely being at most $10mln from that.

That $50mln would maybe be enough to electrify a single, 40km track.

[bluGill]

Is the track already there - you can't build tracks for that price.

[Tade0]

Naturally. Building an electrified track from scratch is much more expensive.