Power Outages in Cobb County, GA
As of October 15, 2026 00:30 UTC, about 33 customers are without power in Cobb County, GA across 2 reported incidents. Cobb Electric Membership Corp, Georgia Power Co and GreyStone Power Corporation publish only a system-wide total, not county figures. There is no live feed for City of Acworth - (GA) and City of Marietta - (GA), so outages in their service area aren't counted. In 2025, the average customer here lost power for about 3.0 hours.
Cobb County, GA is served by 5 tracked utilities.
Cite this data
- URL
- https://massoutage.com/georgia/cobb-county
- As of
- October 15, 2026 00:30 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Cobb County, GA", live data as of October 15, 2026 00:30 UTC. https://massoutage.com/georgia/cobb-county
Not counted: no live feed for City of Acworth - (GA) and City of Marietta - (GA).
0.0%of this county's ~339,818 customers are served by utilities with a county-level live feed.
We can't see outages for: City of Acworth - (GA), City of Marietta - (GA). Their customers are not in any number on this page; check their own outage maps.
System-wide total only, no county split: Cobb Electric Membership Corp, Georgia Power Co, GreyStone Power Corporation.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Cobb Electric Membership Corp | Live · total only | not by county | - | - | - | - | - | - |
| Georgia Power Co | Live · total only | not by county | - | - | - | - | - | - |
| GreyStone Power Corporation | Live · total only | not by county | - | - | - | - | - | - |
| City of Acworth - (GA) | No live feed | can't see | - | - | - | - | - | - |
| City of Marietta - (GA) | No live feed | can't see | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Cobb 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 (18)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 30127 | 520 | ≤11 | 345 | 23 |
| 30101 | 475 | ≤11 | 355 | ≤11 |
| 30064 | 443 | ≤11 | 299 | 12 |
| 30066 | 411 | ≤11 | 279 | ≤11 |
| 30062 | 394 | 13 | 260 | 13 |
| 30152 | 297 | ≤11 | 197 | ≤11 |
| 30144 | 288 | ≤11 | 185 | ≤11 |
| 30126 | 246 | ≤11 | 168 | ≤11 |
| 30068 | 223 | ≤11 | 142 | ≤11 |
| 30060 | 215 | ≤11 | 152 | ≤11 |
| 30080 | 200 | ≤11 | 126 | ≤11 |
| 30008 | 184 | ≤11 | 127 | ≤11 |
| 30067 | 177 | ≤11 | 118 | ≤11 |
| 30106 | 172 | ≤11 | 119 | ≤11 |
| 30082 | 145 | ≤11 | 103 | ≤11 |
| 30168 | 125 | ≤11 | 92 | 12 |
| 30339 | 99 | ≤11 | 55 | ≤11 |
| 30069 | ≤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 Cobb County or any town and utility in it.
- Special Weather StatementMODERATE
Cobb County has been under 27 National Weather Service alerts recently, most recently a Special Weather Statement on October 18, 2026.
- Tropical Cyclone Local Statement ×9
- Special Weather Statement ×4
- Flood Watch ×4
- High Wind Warning ×3
- Air Quality Alert ×3
- High Wind Watch ×2
Latest Cobb County, GA outage updates
A running log of how this outage has changed, updated automatically as utilities report in.
- RESOLVED
Power restored after 15m
- OUTAGE BEGAN
Outage began: 2,054 customers out (0.6% of the county)
- RESOLVED
Power restored after 7h 16m
- RESTORATION ETA
Restoration now estimated September 22, 2026
- RESTORATION ETA
Restoration now estimated September 22, 2026
- RESTORATION ETA
Restoration now estimated September 22, 2026
- RESTORATION ETA
Restoration now estimated September 22, 2026
- RESTORATION ETA
Restoration now estimated September 22, 2026
Hardest-hit cities in Cobb County
Where this event is concentrated across the county's towns and townships.
Live outage counts are tracked at the county level; a city-by-city split within Cobb Countyisn't available yet.
Historical reliability
In 2025, the average customer in Cobb County went about 3.0 hours without power. Peak simultaneous outage on record reached 67,177 customers.
The US EIA reports Georgia utilities averaged 4.5 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 3.0 hrs.
Worst year here was 2017 (peak 67,177 customers out) · decade average 2.5 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 1,022 | 19,730 | 0.8 |
| 2016 | 1,000 | 9,465 | 1.2 |
| 2017 | 955 | 67,177 | 7.9 |
| 2018 | 842 | 8,651 | 1.2 |
| 2019 | 862 | 6,735 | 1.0 |
| 2020 | 785 | 65,007 | 5.0 |
| 2021 | 803 | 21,747 | 0.9 |
| 2022 | 688 | 14,633 | 1.6 |
| 2023 | 616 | 22,843 | 2.3 |
| 2024 | 682 | 14,648 | 2.7 |
| 2025 | 593 | 38,496 | 3.0 |
Cost of power in Cobb County
ENERGY & AI DEMAND →Estimated residential electricity price for Cobb 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.
- Georgia Power Co16.3¢2,480,484 cust
- Cobb Electric Membership Corp11.5¢203,131 cust
- GreyStone Power Corporation12.6¢142,841 cust
- City of Marietta - (GA)11.9¢36,288 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 High ice storms exposure · 2.5 hrs/yr of outages over the last decade.
Power outages in Cobb County: FAQ
- How often does Cobb County, GA lose power?
- Based on EAGLE-I records, Cobb County, GA logged 593 distinct outage events in 2025, averaging about 3.0 hours without power per customer over the year.
- What was the worst power outage in Cobb County, GA?
- The largest tracked outage peaked at 67,177 customers without power, beginning December 8, 2017 and lasting about 6d 16h.
- Is there a power outage in Cobb County, GA right now?
- Yes, about 33 customers are currently without power across 2 reported incident(s).
- Which utilities serve Cobb County, GA?
- Tracked electric providers include Cobb Electric Membership Corp, Georgia Power Co, GreyStone Power Corporation.
Marietta, Smyrna. Outage counts for these communities are reported at the Cobb County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Cobb County.
30008, 30060, 30062, 30064, 30066, 30067, 30068, 30080, 30082, 30090, 30101, 30106, 30111, 30126, 30127, 30144, 30152, 30168, 30339
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Georgia Power Co | 4.8 hrs | Live · total only | |
| GreyStone Power Corporation | 4.0 hrs | Live · total only | - |
| Cobb Electric Membership Corp | 0.8 hrs | Live · total only | |
| City of Marietta - (GA) | 1.8 hrs | No live feed | - |
| City of Acworth - (GA) | - | 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 Georgia customers). Machine-readable data: /api/v1/counties/13067 and /api/v1/counties/13067/history. Live data as of .