this post was submitted on 04 Oct 2024
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My first reaction was how stupid this is. Dirt, debris and other things will get on the panels and cause lots of problems, but after a few minutes I realized it's actually quite brilliant.
There are three major costs of solar, the panels, the location, and the wiring + inverters. If the tracks are used as the wires (extremely low resistance paths back to an inverter), the location is wasted space so basically free, and the inverter can be placed anywhere along the path to remove the power from the tracks, the cost of this comes down to mainly the cost of the panel, which is actually pretty cheep these days.
The real challenges will be in cleaning & maintenance, vandalism, and modifying the track to limit the conductive paths (assuming they're used for this).
Throw a few of those sexy lady mud flaps on the back of a train with a hose. Darn near auto squeegee!