Railroads & Solar Power: You Ain’t Seen Nothing Yet
Squeezing more solar power into the German railroad system is the aim of a new study, and the US railway industry could take a page or two from that book.Renewable energy has been quietly seeping into the US railroad industry, but the pace has been achingly slow. Things could pick up if a new solar power research project in Germany pans out. It aims for a sustainability twofer, by leveraging the built environment of railroads for direct electrification.
, it already has a favorable greenhouse gas emissions balance when it comes to consumption,” TÜV Rheinland observes, while emphasizing that the research project aims to improve on that picture.
US railways have a much longer row to hoe when it comes to integrating renewables, but there are signs that a change is coming, and it could come fast.electrifying the locomotivesOur friends over at Lawrence Berkeley National Laboratory point out that the US actually has a head start in that regard. Practically the entire fleet of locomotives in the US runs on. They deploy diesel fuel to power an on-board generator, which provides electricity for motors that drive the wheels.
“Improved battery technology plus access to cheap renewable electricity open the possibility of battery-electric rail. Here we show that a 241-km range can be achieved using a single standard boxcar equipped with a 14-MWh battery and inverter, while consuming half the energy consumed by diesel trains,” the Berkeley Lab team explained.
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