Power Outages in McCormick County, SC
Duke Energy Carolinas, LLC has not reported outages here, but it only publishesactive outages, so that isn't a confirmed all-clear. Dominion Energy South Carolina, Inc publishes only a system-wide total, not county figures. There is no live feed for Aiken Electric Coop Inc, Little River Electric Coop Inc and Town of McCormick - (SC). In 2025, the average customer here lost power for about 25.3 hours.
McCormick County, SC is served by 5 tracked utilities.
Cite this data
- URL
- https://massoutage.com/south-carolina/mccormick-county
- As of
- Not available
- Publisher
- MassOutage
MassOutage, "Power Outages in McCormick County, SC". https://massoutage.com/south-carolina/mccormick-county
Duke Energy Carolinas, LLC only appearsin feeds while reporting outages, so no report isn't a confirmed all-clear.
Dominion Energy South Carolina, Inc publishes no county-level figures.
No live feed for Aiken Electric Coop Inc, Little River Electric Coop Inc and Town of McCormick - (SC): outages in theirservice area won't show here.
0.0%of this county's ~10,529 customers are served by utilities with a county-level live feed.
We can't see outages for: Aiken Electric Coop Inc, Little River Electric Coop Inc, Town of McCormick - (SC). Their customers are not in any number on this page; check their own outage maps.
Only visible while reporting outages: Duke Energy Carolinas, LLC. Zero here is not a confirmed all-clear.
System-wide total only, no county split: Dominion Energy South Carolina, Inc.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Dominion Energy South Carolina, Inc | Live · total only | not by county | - | - | - | - | - | - |
| Duke Energy Carolinas, LLC | Outages only | none reported | - | - | - | - | - | - |
| Aiken Electric Coop Inc | No live feed | can't see | - | - | - | - | - | - |
| Little River Electric Coop Inc | No live feed | can't see | - | - | - | - | - | - |
| Town of McCormick - (SC) | No live feed | can't see | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in McCormick Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.
By ZIP code (3)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 29835 | 126 | ≤11 | 88 | ≤11 |
| 29845 | 16 | ≤11 | 14 | 0 |
| 29840 | ≤11 | 0 | ≤11 | 0 |
Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.
Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for McCormick County or any town and utility in it.
- Lake Wind AdvisoryMODERATE
McCormick County has been under 13 National Weather Service alerts recently, most recently a Lake Wind Advisory on October 17, 2026.
- Lake Wind Advisory ×3
- Wind Advisory ×3
- Flood Advisory ×2
- Flood Watch ×2
- Special Weather Statement ×2
- Dense Fog Advisory ×1
Hardest-hit cities in McCormick County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in McCormick County went about 25.3 hours without power. Peak simultaneous outage on record reached 4,091 customers.
The US EIA reports South Carolina utilities averaged 2.5 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 25.3 hrs.
Worst year here was 2024 (peak 4,091 customers out) · decade average 36.4 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 94 | 910 | 4.8 |
| 2016 | 92 | 920 | 1.1 |
| 2017 | 223 | 4,091 | 38.7 |
| 2018 | 261 | 3,312 | 12.9 |
| 2019 | 232 | 2,733 | 17.9 |
| 2020 | 222 | 2,007 | 7.6 |
| 2021 | 222 | 1,895 | 9.1 |
| 2022 | 249 | 4,091 | 14.4 |
| 2023 | 270 | 4,091 | 19.0 |
| 2024 | 279 | 4,091 | 249.0 |
| 2025 | 212 | 3,697 | 25.3 |
Cost of power in McCormick County
ENERGY & AI DEMAND →Estimated residential electricity price for McCormick County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.
- Dominion Energy South Carolina, Inc16.4¢712,679 cust
- Duke Energy Carolinas, LLC13.5¢582,062 cust
- Aiken Electric Coop Inc17.5¢50,850 cust
Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom.
Relatively Low hurricanes exposure · 36.4 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability very high: outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in McCormick County: FAQ
- How often does McCormick County, SC lose power?
- Based on EAGLE-I records, McCormick County, SC logged 212 distinct outage events in 2025, averaging about 25.3 hours without power per customer over the year.
- What was the worst power outage in McCormick County, SC?
- The largest tracked outage peaked at 4,091 customers without power, beginning November 27, 2022 and lasting about 4h 45m.
- Is there a power outage in McCormick County, SC right now?
- No major outage is currently reported for McCormick County, SC. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve McCormick County, SC?
- Tracked electric providers include Dominion Energy South Carolina, Inc.
Outages are tracked at the county level; these ZIP codes fall within McCormick County.
29835, 29840, 29844, 29845, 29848, 29899
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Duke Energy Carolinas, LLC | 3.6 hrs | Outages only | - |
| Dominion Energy South Carolina, Inc | 2.2 hrs | Live · total only | |
| Aiken Electric Coop Inc | 3.2 hrs | No live feed | - |
| Little River Electric Coop Inc | - | No live feed | - |
| Town of McCormick - (SC) | - | No live feed | - |
Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of South Carolina customers). Machine-readable data: /api/v1/counties/45065 and /api/v1/counties/45065/history.