Power outage at Livonia substation leaves about 1,273 customers without power in Louisiana

What happened

A power outage at a substation in Livonia, Pointe Coupee Parish, Louisiana, caused outages along Highway 190 and surrounding areas, according to PC Electric. PC Electric said its power provider had lost transmission to the Livonia substation, and crews were working to address the issue. No estimated restoration time had been given at the time of reporting. Areas reported as affected included Richfield, Maringouin, Ramah, Lottie, Wheelock and Rosedale, along several state roads. About 1,273 Entergy customers in the parish were reported to be without power.

Contributing factors

Not reported. The source states only that the power provider had lost transmission to the substation. The reason for the loss of transmission was not given.

Lessons learned

1. Monitor the supply feeding each substation and alert operators promptly when transmission is lost, so that crews can start work without delay.
2. Give customers restoration estimates and regular updates during prolonged outages, even when the estimate is not yet known.
3. Where a substation depends on a single transmission connection, identify alternative supply or switching options in advance.

More lessons on detection and monitoring, outages, backup supply and restoration, electrical protection and isolation, from every incident on the register.

Source

wbrz.com