Greg's link is two years old.
Construction started recently.
https://www.northcountrypublicradio.org/news/story/50601/20241003/construction-starting-on-hydrogen-plant-in-massena
It doesn't need to be profitable because there's a "vision".
Actually two visions that can gaze into each other's eyes and proclaim mutual adoration.
It's an economically depressed area of NY state so Air Products can count on "receipt of certain local and state incentives, as well as any...
Regardless of what the future environment looks like, there will be one, and civil engineering projects will need to interact with it.
The civil and environmental program seems like it opens the door that you're interested in now without locking you behind it.
Just for scale:
A single piezo element produces voltage of a few milli-Volts and power of a few milli-Watts.
If we assume 5 mV, then you'd need a thousand elements in series to get a 5 Volt input to the rectifier.
Those thousand elements might generate a Watt.
So, 10 strings of a thousand...