Battery Cost and Data

System capacity―kw

50,000

Depth of discharge (DOD) per cycle %

80%

Energy capacity―kwh @ rated DOD

250,000

Round trip Efficiency―%

85%

Number of cycle per year

365

Plant life, years

15

$/kwh @ rated DOD

$349

Fixed O&M―$/kw-year

$4.5

Variable O&M―$/kwh

$0.0005

Battery replacement―years

8

Replacement battery cost―$/kw

$337