The Ledger
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Sage's systems operate deeper than pumped hydro, yielding higher energy density
“So, we actually are deeper than the tallest pumped hydro, which is about 3000 feet. Our depths are eight to 12,000 feet. So we have actually a higher energy density, so the deeper you go, the higher that energy density is going to be because of that pressure e…”
Sage re-engineered commercial Pelton turbines to withstand 5,000 PSI
“The Pelton turbines that are out there in the industry for pump storage hydropower are not rated to the same pressure as our Pelton turbine, so our Pelton turbine's rated to 5000 PSI, and that's because, again, we are deeper than the tallest pumped hydro, so w…”