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

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Table 12
Assumptions Used For Benefits Calculation
Situation
Parameter
T&D Deferral
Combustion
Turbine Plant for
Peak Shaving
Load
Shedding
Arbitrage
Spinning
Reserve
Credit
Additional
capacity
required (MW e
)
Cycle duration
required (hr)
Annual operating
hours
Power-Related
Installed
Equipment Cost
($/kW e
)
Electric
Input/Output
Heat rate (HHV
Btu/kWh)
200 20 20 200 200
3 3 3 10 0.25
1,500 750 750 2,500 2,000
2,000 800 0 0 0
1.02 0 N/A N/A N/A
N/A 10,000 N/A N/A N/A
Plant life (yr) 10 20 20 20 20
Annual variable
maintenance
cost ($/kWh)
Annual fixed
maintenance
cost ($/kW e
)
Demand charge
($/kW per
month) [2]
Spinning
Reserve Credit
($/kW per year)
0 0.01 0 0 0
0.1 0 0 0 0
N/A 10.30 10.30 10.30 N/A
N/A N/A N/A N/A 40
Compressed Air Energy Storage (CAES) Page 30