Assessment of energy storage technologies and systems. Phase I. Electric storage heating, storage air conditioning, and storage hot water heaters

Abstract
The study analyzes the commercial feasibility of thermal energy storage (TES) in buildings; TES applications examined include storage electric (resistance) heating, storage air conditioning, and storage hot water heating. A system model, SIMSTOR, is employed to simulate TES-related effects upon daily and annual utility load profiles and to compare utility fuel and capital cost savings with TES-system costs. Case-study analyses of TES applications for a representative set of utility service areas indicate that several already- and near-commercial TES systems are cost-effective. Alternative strategies to commercialize these systems are examined and the preferred strategies are identified.

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