SANTA CLARITA (CBSLA) — A reported 2,100 customers were without power in the Santa Clarita area Monday night.

According to Southern California Edison, the power outage happened around 7:45 p.m. with roughly 7,000 customers losing power. Approximately 20 minutes later, 4,800 customers had their power back.

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SoCal Edison was working to get power restored, and initially estimated it would be back on for everyone by 7 a.m. Tuesday.

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The company has since revised its estimate to midnight.

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The cause for the outage was not immediately known.