Nope, nope, and nope.
Well, OK... some miniscule amount... but those solar panels on the lights are extremely low-output, because they're only powering ~2watt LEDs. So you could recover (on a good, sunny day) about 2 watts... which is *2 watts = 0.00268204418 HP*.
3/1000 of 1 HP isn't going to make a huge difference.
It's a nice idea, but it's going to take a much larger scale to actually see gains from it.
Welcome to EM!
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