ABSTRACT
As the world embarks on a new era of distributed and at times nondispatchable electrical energy systems, the ability to manage increased levels of
CONTENTS
Basic Concepts ....................................................................................................... 51 Value of PHES to Interconnected Electricity Systems ...................................... 51 Example: Dominion Power’s Bath County PHES Station ..............................53 PHES Efˆciency .....................................................................................................54 Facilities in United States .....................................................................................54 Energy and Power Potential ................................................................................54 Development.......................................................................................................... 61
Environmental Considerations ......................................................................63 System Components ........................................................................................63
