Southern California Edison said a transformer failure Tuesday caused a major power outage in the Norwalk-Downey area.
Edison confirmed to NBC4 that the failed transformer is located at their Edison substation in the Downey-Norwalk area.
The outage happened around 2 p.m. By 11 p.m., much of the outage was resolved.
"We know that every outage is a hardship (and) crews are working as quickly as they can to safely restore power,'' SCE spokesperson Jen Monford said.
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He said crews were able to re-route power to get most impacted customers back online relatively quickly.
Metro C (Green) Line trains were halted between the Norwalk and Willowbrook/Rose Parks stations due to the power issue. Buses were brought in to shuttle passengers between the stations, according to the transit agency.
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