2 ms·
Wait what ? If it is what I think it is, that would mean extracting energy from the water's movement, movement that most likely has been created via pumping. S
by alex_duf 12y ago
Wait what ?
If it is what I think it is, that would mean extracting energy from the water's movement, movement that most likely has been created via pumping. So... moving energy from pumping back to energy, with most likely a big loss in the process. Anyone to explain me what I didn't get ?
- joeyo 12y agoPresumably Portland's reservoirs are located somewhere uphill (in the Cascades even?) so this would be exploiting a natural gradient.
- meritt 12y agoThe reservoirs are indeed elevated around here -- washington park, mt tabor, powell butte -- so it's all gravity fed.
- silentOpen 12y agoGravity.
- brewdad 12y agoFrom the article: "The LucidPipe™ Power System uses the gravity-fed flow of water inside a PWB pipeline to spin four 42” turbines that are now producing electricity for Portland General Electric (PGE) customers under a 20-year power purchase agreement (PPA) with the utility" No pumping required.