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STT Unit 23 Back Online - Electrical Service Fully Restored

(Monday, June 29, 2015)

For about two hours on Monday, the Virgin Islands Water and Power Authority implemented electrical service interruptions, in the St. Thomas - St. John district, as plant personnel worked to clear alarms on generating Unit 23.  The service interruptions became necessary due to a shortage of generation capacity to satisfy the demand for electrical power in the island district.

The shortage of capacity stemmed from issues with WAPA’s largest generator, Unit 23.  On Sunday afternoon, during a routine inspection of the 39-megawatt unit, a fuel leak was detected. The unit was subsequently taken offline to facilitate repairs.  Following the completion of repairs and during attempts to restart Unit 23 earlier today, alarms were noticed on the unit’s control systems. Plant personnel worked diligently through the morning and early afternoon to resolve the alarms. 

All power was restored to the district by 2:50 pm. During the rotating service interruptions, three other generators were on line including Units 14, 15 and 25. Unit 18 is presently out of service being retrofitted to burn propane fuel in the generation of electricity.

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