https://www.powermag.com/ludington-pumped-storage-plant-increases-efficiency-to-provide-greater-grid-support/
Ludington Pumped Storage Plant Increases Efficiency to Provide Greater Grid Support
Oct 1, 2015 - Pumped storage hydro has a long history in the U.S.. One of the oldest plants found itself in need of an upgrade after 40 years of service.
ludington pumped storageplantincreases