Nixa Upgrades Power Grid

More changes to Nixa’s power grid after a power outage earlier this month at one of the city’s substations.

Utility crews are installing an older transformer at the Espy substation to carry some of the load on the system.

The city plans to install a newer, bigger one on the grid by February.

Here's more from the city of Nixa:

The City of Nixa has been working to restore the city’s electric system to its normal standard of reliability after a transformer failed at one of the city’s four substations on June 4th.

Now, Nixa Utilities has a plan, after engineers analyzed problems with the Espy substation transformer last week.

“The bad news is that the Espy substation transformer is toast,” says electric department supervisor Brian Denney.

Currently, the city is distributing power through the remaining three substations, but the Espy substation was the largest in the city, with a 25MVA transformer.

The city still has an older, 12MVA transformer sitting at the Downtown substation where it was replaced earlier this year by a newer, larger unit.

“The good news is we have a plan for a short-term fix while we look to buy a new transformer,” says Denney.

The plan is to move the old 12MVA transformer to the Espy substation for now, while the city looks to purchase a newer, larger transformer for that substation.

The older, 32 ton, 12MVA transformer will be moved across town tomorrow (June 20) and crews will work quickly to connect it to a few of the city’s circuits.

It won’t be able to handle the same load as the old 25MVA transformer, but will be able to take enough load off the rest of the city’s electric distribution system that it will provide another step up in reliability.

The city hopes to have a new transformer, no smaller than 25MVA, installed by February and once completed, the city’s grid will actually be more robust than before the June 4th outage.

The city thanks residents and business owners for their continued cooperation in conserving power and apologizes for the inconvenience of the outages experienced in the last two weeks.

For the last six years, the American Public Power Association has honored Nixa Utilities for providing exceptionally reliable power, and the city is committed to restoring that high standard of reliability our customers have come to expect from us.

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