Current status of CUC’s power engines

POWER PLANT 1

DIESEL ENGINE NO. 1
Design MW: 7.3
Available MW: 0.0
Remarks: Under maintenance since Nov. 12, 2006. Crankshaft replacement by MAN. Awaiting additional mechanical parts.

DIESEL ENGINE NO. 2
Design MW: 7.3
Available MW: 5.0
Remarks: Operational (JCW High Temperature Alarm)

DIESEL ENGINE NO. 3
Design MW: 7.3
Available MW: 5.0
Remarks: Operational (JCW High Temperature Alarm)

DIESEL ENGINE NO. 4
Design MW: 7.3
Available MW: 0.0
Remarks: Down since July 16, 2005, due to crankpin seizure

DIESEL ENGINE NO. 5
Design MW: 13.0
Available MW: 0.0
Remarks: Down since April 12, 2008. Replacement valves, injector, liner and cylinder is required.

DIESEL ENGINE NO. 6
Design MW: 13.0
Available MW: 5.0
Remarks: Operational (JCW High Temperature Alarm)

DIESEL ENGINE NO. 7
Design MW: 13.0
Available MW: 0.0
Remarks: Alternator repair by CISCO, ongoing. Foundation repair completed by MHI. DCM work on the mechanical overhaul of engine and auxiliaries, terminated July 10, 2008.

DIESEL ENGINE NO. 8
Design MW: 13.0
Available MW: 0.0
Remarks: Down at 1:50pm yesterday afternoon, as CUC decided to move the JCW motor to Unit No. 6 due to less generating output compared to Unit No. 6.

Total:
Design MW: 81.2
Available MW: 15.0
Remarks: Terminated DCM contract involved the rehabilitation of seven out of eight units

POWER PLANT 2

DIESEL ENGINE NO. 1
Design MW: 2.5
Available MW: 0.0
Remarks: Down, abnormal sound from turbocharger

DIESEL ENGINE NO. 2
Design MW: 2.5
Available MW: 0.0
Remarks: Waiting for ordered parts/ maintenance

DIESEL ENGINE NO. 3
Design MW: 2.5
Available MW: 0.0
Remarks: Waiting for ordered parts/ maintenance

DIESEL ENGINE NO. 4
Design MW: 2.5
Available MW: 0.0
Remarks: Waiting for ordered parts/ maintenance

DIESEL ENGINE NO. 5
Design MW: 2.5
Available MW: 0.0
Remarks: Stopped at 3am on July 16, 2008, due to abnormal sound at turbocharger

DIESEL ENGINE NO. 6
Design MW: 2.5
Available MW: 0.0
Remarks: Adjustment of fuel injection system

TOTAL:
Design MW: 15.0
Available MW: 0.0
Remarks: Power Plant II was under rehabilitation by CISCO.

POWER PLANT 4

DIESEL ENGINE NO. 1
Design MW: 3.5
Available MW: 0.0
Remarks: Decommissioned

DIESEL ENGINE NO. 2
Design MW: 2.5
Available MW: 2.2
Remarks: Operational

DIESEL ENGINE NO. 3
Design MW: 2.5
Available MW: 2.2
Remarks: Operational

DIESEL ENGINE NO. 4
Design MW: 2.5
Available MW: 2.2
Remarks: Operational

DIESEL ENGINE NO. 5
Design MW: 2.5
Available MW: 2.2
Remarks: Operational

DIESEL ENGINE NO. 6
Design MW: 1.0
Available MW: 0.9
Remarks: Operational

DIESEL ENGINE NO. 7
Design MW: 1.0
Available MW: 0.9
Remarks: Operational

DIESEL ENGINE NO. 8
Design MW: 1.0
Available MW: 0.9
Remarks: Operational

DIESEL ENGINE NO. 9
Design MW: 1.0
Available MW: 0.9
Remarks: Operational

DIESEL ENGINE NO. 10
Design MW: 2.5
Available MW: 2.2
Remarks: Operational

TOTAL:
Design MW: 20.0
Available MW: 14.6

Total CUC installed capacity: 116.2 MW
Total CUC available power: 29.6 MW
Peak load noted in April: 14.6 MW
Deficit in power supply: 11.4MW*

Note: *Negative indicates the potential of loadshedding. Data updated on a monthly basis

Source: Commonwealth Utilities Corp.