Analysis of battery storage for commercial buildings. Phase 1 final report
The application of battery storage to load leveling by the utility user represents a new concept in energy management. TRW Energy Management Systems Division has studied the possibility of combining an energy management computer/control system with a lead-acid/power processor system and explored the feasibility of demonstrating power management at a government facility. Candidate sites in the Washington, D.C. metropolitan area were evaluated by analyzing demand curves for electricity. One site, the Department of the Treasury's Bureau of Printing and Engraving is recommended as the best of the sites evaluated. Analysis using estimated production system costs of $130/kW for power processors and $80/kWh for lead acid batteries indicates a payback of nine years. However, if the Department of Energy's cost goals for batteries and converters are achieved, a payback in less than four years is possible. Furthermore, coupling battery energy storage with conventional computer based energy management is projected to offer substantial reductions in utility bills. Payback from a production system in less than two years is predicted. System design is based on using present day technolgy where possible for the system components. Capacity for the system has been set at 1.1 MWh with a peak load capability of 600 kW. Preliminary specifications are supplied. Facility modification and system layout are presented, giving alternate placements for the batteries. Floor loading and system safety are two critical design parameters.
- Research Organization:
- TRW Energy Systems Group, Redondo Beach, CA (USA)
- DOE Contract Number:
- EC-77-C-02-4556
- OSTI ID:
- 6265537
- Report Number(s):
- COO-4556-2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
25 ENERGY STORAGE
COMMERCIAL BUILDINGS
ENERGY MANAGEMENT
OFF-PEAK ENERGY STORAGE
LEAD-ACID BATTERIES
LOAD MANAGEMENT
OFFICE BUILDINGS
MICROPROCESSORS
USES
BUILDINGS
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ENERGY STORAGE
ENERGY STORAGE SYSTEMS
MANAGEMENT
STORAGE
320104* - Energy Conservation
Consumption
& Utilization- Commercial & Industrial Buildings- (-1987)
320102 - Energy Conservation
Consumption
& Utilization- Office Buildings- (-1987)
250904 - Energy Storage- Batteries- Other Applications