I recently spoke with PNHLe’s creator, Mason Black. I asked him a few question to clarify what it is. I’d highly recommend downloading his app, and look at some of his great work.
WM: If you could explain PNHLe in depth, how would you explain it?
MB: Basically, it’s a stat intended to predict future point potential at the NHL level. It uses historical values set by current NHL players in different leagues (at different ages) to build a model to see the best rates at which players are scoring and uses those to determine future potential.