India has effectively electrified almost all of its rail transit. USA or other countries do not need to electrify all lines and the long tail is too long but even the major ones can bring in big benefits. No need to even get China in this equation.

To note, India also has three times domestic PV demand (~50GW/year) manufacturing capacity (~150GW/year) live.

https://ember-energy.org/latest-insights/indias-electrotech-...

India's Solar Manufacturing Excesses Turn a Boom into a Glut - https://news.ycombinator.com/item?id=47050286 - February 2025