A Disneyland spokesperson said power is down in Toontown and Fantasyland, and crews are working to restore it.
They added that guests are being escorted off "about a dozen" rides, including the popular Monorail.
According to Disneyland, select offerings have been restored in the Toontown and Fantasyland areas, but some areas remain without power.
PARKS UPDATE: We have experienced a power outage near Mickey's Toontown and Fantasyland. We are working diligently to restore power to the affected areas as soon as possible. Select offerings are now available such as Toontown and “it’s a small world” Holiday.— Disneyland Today (@DisneylandToday) December 27, 2017
A park spokesperson issued a statement, saying the outage stems from a transformer problem.
"We've determined that the issue is with a Disneyland Resort transformer and our team is currently assessing and working to restore power," the statement read.
Officials did not provide details on estimated restoration time.
The outage happened as Disneyland was near capacity for the day.
PARKS UPDATE: The Disneyland Resort is very busy today. Please check the Disneyland App for the latest wait times and schedules to plan your day.— Disneyland Today (@DisneylandToday) December 27, 2017
Park officials said they were only accepting guests for re-entry at Disneyland, but Disney's California Adventure Park remained open for everyone.
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