PowerStor
PowerStor Case Study
Kentucky Utilities
E.W. Brown Peaking Station4xGT11N2 Combustion Turbines
Burgin, KY
PowerStor Design Ratings
Ambient Conditions95°F Dry Bulb Temp
73°F Wet Bulb Temp
Cool to Temperature
45°F
Airflow at 45°F
2,880,500 lbs/hr/turbine
Net Capacity Increase
88 MW on design
110 MW off design max.
Major System Components
TES Insulated Tanks:2 x 2,256,000 gallons
Refrigeration Equipment:
R-717 Compressors: 4 x 1250 HP, 3Ø 4160V
Evaporators: 8 x 60 Plate
Evaporative Condensers: 8 x 11,775 MBH
Anti-scaling and anti-biological water treatment system
Chilled water supply and return piping to coils
Inlet filter house modifications
System Guarantees
Airside Pressure Drop< 1.25 in. w.c.
Auxiliary Power ConsumptionOn-peak: 2,000 kW
Off-peak: 4,500 kW
Turbine Inlet Temperature
45°F