Pasadena Water and Power, the public energy and water utility that services the Pasadena region, implemented rolling outages late Friday afternoon due to excess heat.
With temperatures in the mid-100s, the utility was forced to institute the rolling outages due to equipment failures caused by the heat.
The outages began around 4:30 p.m. and were expected to remain in place for about an hour.
By 5:30 p.m., the temperature in Pasadena remained around 107 degrees, but was expected to begin to let up after sundown around 7:15 p.m.
Those affected by the outages were encouraged to follow the latest updates on the PWP outage map on the city’s website.
Beyond Pasadena, the California Independent System Operator, which manages the state’s energy grid, said the grid was stable and there was sufficient supplies to meet demands.