Power outages in Sumter County, SC

We don't have a live outage feed for the utilities serving Sumter County yet. Duke Energy Progress - (NC), Black River Electric Coop, Inc - (SC) and Tri-County Electric Coop, Inc (SC) serve this county.

Right now

No live outage data for Sumter County yet.

Duke Energy Progress - (NC)no live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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Black River Electric Coop, Inc - (SC)no live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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Tri-County Electric Coop, Inc (SC)no live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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City of Camdenno live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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Outage map

No live outage feed here yet
County outline

Outage history in Sumter County

2014–2025 record

Sumter County averaged 34.3 significant outages a year in 2023–2025, about typical for South Carolina counties.

In the 12 months to December 2025, there were 33. Half were over within 1.5 hours; the longest lasted 6.5 hours, starting July 31, 2025.

The largest on record began October 8, 2016, with 27,446 customers out at once.

Outages are most common in August.

34.3significant outages a year (2023–2025)
iAt least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.
1.5 hourstypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
5.7 dayslongest on record (October 2016)
27,446most customers out at once
Largest events (start)Peak outLasted
iHow long this area stayed at or above the significant-outage line, not how long any one home was without power.
Customer-hours
iCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
October 8, 201627,4465.7 days1,537,719
April 8, 202111,7454.5 hours28,500
October 11, 201810,39729 hours108,281
September 30, 20229,71917 hours31,078
September 27, 20248,94730 hours83,599

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

iFrom EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.