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Written by Christopher Neugebauer on 2025-01-24 at 16:23

Thanks to regenerative braking, Caltrain's fuel bill post-electrification is projected to be less than their last year of Diesel trains, despite running even more trains at higher speeds.

https://www.trains.com/trn/news-reviews/news-wire/efficiency-of-caltrain-electric-equipment-leads-operator-to-lower-estimate-of-electric-costs/

[#]capol #trains #transit

The more you know!

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Descendants

Written by Ratsnake Games on 2025-01-24 at 16:53

@chrisjrn ... which should not be a surprise to anybody who knows anything about modern electric traction.

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Written by Christopher Neugebauer on 2025-01-24 at 18:09

@ratsnakegames AND YET.

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Written by Andrew Bartlett on 2025-01-24 at 19:19

@chrisjrn @ratsnakegames Guessing the public servants involved didn't want to have "yet another budget overrun" by including the exact regeneration figures in the budget until the real world figures were available.

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Written by Andy Davies on 2025-01-24 at 17:41

@chrisjrn I doubt they done this for Caltrain (because the track already exists) but for things like the Elizabeth Line in London, the track slopes up into a station and down out of it for help reduce the energy needed for braking and acceleration

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Written by Christopher Neugebauer on 2025-01-24 at 18:09

@andydavies Yeah, I've seen similar in Montreal (though only in newer stations there), but for a retrofit, regenerative braking is a great way to go about it.

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Written by Official Kakistocracy Jester 🪓 on 2025-01-24 at 20:04

@chrisjrn would you believe we’ve had this technology over a hundred years, and basically walked away from it 50 years ago?

https://railfan.com/milwaukee-electrics-fifty-years-gone/

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Written by Christopher Neugebauer on 2025-01-24 at 20:06

@OGjester Yeah. Obviously in Caltrain's case, I blame San Mateo County for everything.

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