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Handbook of Energy Storage for Transmission or ... - W2agz.com

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EPRI Proprietary Licensed Material<br />

Table 3-1. <strong>Energy</strong> <strong>St<strong>or</strong>age</strong> System Requirements <strong>f<strong>or</strong></strong> T&D Applications<br />

Application<br />

ES System Rated<br />

Power, MW<br />

ES Discharge<br />

Duration<br />

(Note 1)<br />

ES System<br />

Response Time<br />

(Note 2)<br />

ES System<br />

Duty Cycle<br />

ES System<br />

Efficiency, %<br />

(Note 3)<br />

ES System<br />

Footprint,<br />

MW/m 2<br />

(MW/ft 2 )<br />

Environmental<br />

Impact<br />

Load Leveling 1 to 1000 6 to 12 hr 150 days/year >90<br />

Power Quality<br />

Protection &<br />

Grid Supp<strong>or</strong>t<br />

Automatic<br />

Generation<br />

Control<br />

2 to 1000<br />

Up to 30 seconds<br />

(Note 4)<br />

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