Electricity rates in Marietta, GA
Marietta (59,067 people, Cobb County) is served by 3 electric utilities. Homes on City of Marietta pay about 12.24¢/kWh, 19% less than the Georgia average.
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Electric companies serving Marietta
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| City of Marietta | Municipal utility | 12.24¢ | $102 | 36K | 106 |
| Georgia Power Co. | Investor-owned utility | 16.37¢ | $162 | 2.48M | 287 |
| Cobb Electric Membership Corp. | Electric cooperative | 12.13¢ | $135 | 203K | 48 |
Power outages in Cobb County right now
Checking live outages…
Outage history in Cobb County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 163 | 177 |
| Days with outages | 52 | 51 |
| Most customers out at once | 14,648 (4.5%) | 38,496 (11.9%) |
| Worst day | 2024-07-31 | 2025-06-07 |
Outage minutes by month, 2025
More outage time than 2024 (163 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Fair Oaks 12.2¢
- Smyrna 16.4¢
- Kennesaw 12.1¢
- Blue Ridge Manor 16.4¢
- Vinings 16.4¢
- Mableton 16.4¢
- Powder Springs 16.4¢
- Sandy Springs 16.4¢
- Woodstock 16.4¢
- Acworth 16.4¢
ZIP codes: 30006, 30007, 30008, 30060, 30061, 30062, 30063, 30064, 30065, 30066, 30067, 30068, 30069, 30090
Frequently asked questions
What is the electricity rate in Marietta?
Most homes in Marietta get power from City of Marietta, where residential customers pay an average of 12.24¢/kWh including all charges. The Georgia average is 15.12¢ and the U.S. average 17.99¢. Other utilities serving parts of Marietta: Georgia Power Co. (16.37¢), Cobb Electric Membership Corp. (12.13¢).
What is the average electric bill in Marietta?
About $102 a month, based on 830 kWh a month (the average for City of Marietta customers) at 12.24¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Marietta, GA?
3 utilities serve Marietta's ZIP codes: City of Marietta, Georgia Power Co., Cobb Electric Membership Corp.. Which one serves you depends on your street address.
How often does the power go out in Marietta?
In 2025, customers in Cobb County averaged 2 hr 57 min without power. Outages hit 51 days of the year, and the worst day was 2025-06-07, when 38,496 customers (11.9%) were out. Source: ORNL EAGLE-I.