Electric utilities said Saturday's unusually early snowstorm knocked out power to more than 560,000 homes and businesses in Pennsylvania, including about 120,000 customers in the south-central region of the state.
PPL reported 190,000 customers without electricity as of midnight Saturday, mostly in the Allentown area.
In south-central Pennsylvania, PPL reported about 19,000 customers in Lancaster County went to bed without power Saturday.
Dauphin County had nearly 11,000 outages, while about 7,400 PPL customers were affected by the snow storm in Cumberland County, and about 1,600 had no electricity in Lebanon County.
PPL reported about 3,200 outages in Perry County, and about 4,700 in York County.
The company said it expected the restoration process to be a "multi-day" effort, and urged customers with special needs or considerations -- such as infants or elderly parents -- to make alternate arrangements as appropriate.
First Energy reported that nearly 48,000 customers in York County had no power late Saturday, while about 5,200 were without electricity in both Adams and Cumberland counties, and about 6,100 were affected in Lebanon County.
Dauphin County had about 1,100 outages among First Energy customers.
PECO reported an additional 4,400 outages in York County, while Adams Electric reported about 7,600 customers without electricity. Adams Electric said restoration efforts were expected to last through Sunday.
For more information, or to report an outage:
PPL - 1-800-342-5775 - www.abc27.com/link/520716/ppl-outage-map
First Energy - 1-888-544-4877 - www.abc27.com/link/520717/first-energy-outage-map
PECO - 1-800-841-4141 - www.abc27.com/link/520718/peco-outage-map
Adams Electric - 1-800-726-2324 - www.abc27.com/link/520873/adams-electric-outage-map