ORANGE COUNTY (CBSLA) — Southern California Edison officials say all remaining customers who had been without power since Friday night have had their service restored as of Sunday morning.

The outage impacted around 28,000 customers mainly in Irvine and Newport Beach and temporarily shutdown operations at John Wayne Airport.

The outage was caused by a fire at a substation, according to Southern California Edison.

Some customers were told they may experience momentary outages as the power was being restored.