Contest! Prizes! Discover Efficiency of Pumped Hydro!

Posted on 2 CommentsPosted in energy storage efficiency, flow battery, pumped hydro, VRB-ESS

Please help us ferret out (apologies to mink and weasel lovers!) information on what appears to be a great mystery – the round trip efficiency of Pumped Hydro Energy Storage. Prizes will be awarded! The round trip efficiency of storage technologies are of great interest and discussion. Some are concerned about “wasting energy” when storing […]

CAISO Postpones Entry of Energy Storage

Posted on 1 CommentPosted in ancillary services, CAISO, flow battery, flywheels, frequency regulaton

The California Independent System Operator (CAISO), the state agency running the transmission system, has postponed the entry of limited energy storage resources (LESRs) into their ancillary services markets. CAISO is bound by the Federal Energy Regulatory Commission (FERC) Order Nos. 719 and 890 to allow Non-Generator Resources to participate “on a comparable basis to services […]