The Ledger
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Sage's subsurface storage is more cost-effective than lithium-ion batteries
“You're using four batteries to achieve that 16 hour duration, whereas ours, it's made really for that longer duration, and so it's going to be more cost effective than the batteries.”
Sage's subsurface pressure technology can store energy for weeks or months
“So yes, we can literally store the water for weeks, if not months you know, and we would just monitor the pressure depending on the formation permeability. We may have to have water added occasionally to keep the pressure up, but in some formations, like I sai…”
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's grid interconnection feasibility study took 11 months despite shorter estimates
“The feasibility study, in the beginning, we were said, told it, it'll take six weeks, And then we immediately put our application in, and then we were told it'll take six months, and then it ended up taking, like, 10 or 11 months.”
Ormat Technologies will license Sage's tech for energy storage and generation
“So they actually will license our technology for both storage and for geothermal power generation, which will allow them to grow as a company.”
Sage Geosystems targets rock formations with permeability under 50 millidarcies
“So there, the permeability measure is millidarces, so we want 50 millidarces or less.”
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…”