UETCL explains, apologises for power blackout


Uganda Electricity Transmission Company Limited has released a notice explaining what led to the partial blackout on Wednesday.

On July 27th 2016 at 19:37 hours, there was a total blackout, affecting electricity supply to the entire country following a technical failure at the Kiira, Nalubale and Bujagali hydropower dams.

According to Stephen IIungole, a media relations manager at UMEME, restoration of electricity supply commenced at 20:09 hours with Bujagali hydro power dam and a full restoration was effected by 22:02 hours.

UETCL management reported that Eskom unnecessarily normalised power supply after there had been a maintenance shutdown.

They added that the failed attempt resulted into a power trip and all the generator units at Kiira and Nalubaale power dams tripped thus the black out.

Bujagali hydro power dam had a similar occurrence which caused three generators to trip leaving only two on the national grid.

“However, we held onto the two power units that were being sustained by the western part of Kenya system that also later tripped resulting into system blackout,” UETCL said in a statement.

UETCL then requested both Escom and Bujagali dam to usurp the opportunity to black start while backing at Kenya to supply Uganda with reference voltage.

Kenya regained stability successfully and was able to black start and extend voltage to Tororo substation which was able to start a unit.

“There was eventually restoration of the entire system and UETCL apologises for any inconveniences.”

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