Economic analysis of grid level energy storage for the application of load leveling

Author

Kerestes, R.J. ; Reed, Gregory F. ; Sparacino, Adam R.

Author_Institution

Dept. of Electr. & Comput. Eng. & the Power & Energy Initiative, Univ. of Pittsburgh, Pittsburgh, PA, USA

fYear

2012

fDate

22-26 July 2012

Firstpage

1

Lastpage

9

Abstract

The benefits provided by energy storage appear to be nearly limitless and this is especially true in regards to power systems. Gas turbine generators are needed to meet peak load demand but operating them is quite expensive. Energy storage can be used to flatten the electrical load by charging the storage when the system load is low and discharging the storage when the system load is high. If the system load is flat enough, the fast response time of gas turbine generators won´t be needed. This study investigates the economic feasibility of NaS battery storage and pumped hydro energy storage used for the application of load leveling.

Keywords

energy storage; gas turbine power stations; power generation economics; power grids; pumped-storage power stations; sodium compounds; turbogenerators; NaS; battery storage; economic analysis; gas turbine generator; grid level energy storage; hydropumped energy storage; load leveling application; peak electrical load demand; power system; storage discharging; Batteries; Discharges (electric); Economics; Equations; Generators; Turbines; Energy storage; battery storage; economic dispatch; load leveling; optimization; peak shaving; pumped hydro energy storage; sodium sulfur (NaS) battery storage;

fLanguage

English

Publisher

ieee

Conference_Titel

Power and Energy Society General Meeting, 2012 IEEE

Conference_Location

San Diego, CA

ISSN

1944-9925

Print_ISBN

978-1-4673-2727-5

Electronic_ISBN

1944-9925

Type

conf

DOI

10.1109/PESGM.2012.6345072

Filename

6345072