Cobb Electric Membership Corp. electricity rates
Electric cooperative · Georgia · SERC region · ERCOT
Cobb Electric Membership Corp. is a member-owned electric cooperative, so its customers own it and elect its board, serving 203,131 homes in Georgia. Its residential customers pay an average of 12.13¢/kWh including fixed and delivery charges, 33% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
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Cobb Electric Membership Corp. bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $60.65 | $63.90 |
| 1,000 kWh | $121.30 | $99.81 |
| 1,500 kWh | $181.95 | $135.71 |
| 2,000 kWh | $242.60 | $171.62 |
*Residential Service R-14 (effective 2018-01-01, $28.00/month customer charge), energy and fixed charges from the OpenEI Utility Rate Database. Riders, fuel adjustments and taxes are often billed separately, so real bills usually land closer to the all-in column. Calculate your bill.
Cobb Electric Membership Corp. residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential Service R-14 | 2018-01-01 | $28.00 | 7.18¢ |
| Residentail Service R-12-TOU: Rate 12Ttime-of-use | 2018-01-01 | $24.00 | 19.7¢ (3pm–8pm) · 8.2¢ (12am–3pm, 8pm–12am) — summer weekdays |
| Residential Service R-12: Rate 10time-of-use | 2018-01-01 | $24.00 | 8.2¢ (12am–12am) — summer weekdays |
| Residential Service Critical Peak Pricing: Rate 12CPPtime-of-use | 2014-01-01 | $21.00 | 8.6¢ (12am–3pm, 8pm–12am) · 16.7¢ (3pm–8pm) — summer weekdays |
| Residential Optional Rate Schedule RES-01: Simple Bill | 2018-01-01 | — | 5.12¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Cobb Electric Membership Corp. rate history
2015–2025: +10% change in the average residential rate (10.49¢ → 11.55¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Cobb Electric Membership Corp. | Georgia avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 48 | 269 | 266 |
| Outages per customer (SAIFI) | 0.86 | 1.83 | 1.34 |
| Average restoration time (CAIDI) | 56 min | — | — |
| Outage minutes excluding major storms | 32 | 147 | 121 |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Cobb Electric Membership Corp.'s counties, customers averaged 4 hr 26 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Fulton | 403 | 90 | 75,608 | 2025-02-16 |
| Bartow | 385 | 93 | 4,219 | 2025-06-07 |
| Paulding | 180 | 48 | 22,877 | 2025-03-16 |
| Cobb | 177 | 51 | 38,496 | 2025-06-07 |
| Cherokee | 165 | 56 | 18,693 | 2025-06-02 |
Cobb Electric Membership Corp. service area
Cobb Electric Membership Corp. serves 5 counties in Georgia and 32 ZIP codes.
Bartow, Cherokee, Cobb, Fulton, Paulding
Cities: Atlanta, Sandy Springs, Roswell, Alpharetta, Marietta, Smyrna, Dunwoody, Milton, Mableton, Kennesaw, Woodstock, Canton, Acworth, Cartersville, Powder Springs, Dallas, Fair Oaks, Austell, Hiram, Blue Ridge Manor
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Customers with daily usage data online | 203,131 |
| Time-based rate programs | Time-of-use rates |
| Homes on time-based rates | 3,643 |
| Net-metered solar homes | 628 |
Cobb Electric Membership Corp. at a glance
| Ownership | Electric cooperative |
| Services | Generation, Distribution, Wholesale Marketing |
| Commercial rate | 10.73¢/kWh |
| Industrial rate | 8.20¢/kWh |
| Retail revenue (2025) | $452,802,900 |
| Electricity sold (2025) | 4,080,285 MWh |
| Peak demand | 1,188 MW summer · 730 MW winter |
| Power from own generation | 0% (rest purchased) |
| Line losses | 2.4% |
| Balancing authority | SOCO |
| EIA utility ID | 3916 |
Other utilities in Georgia
Frequently asked questions
What is Cobb Electric Membership Corp.'s electricity rate?
Cobb Electric Membership Corp. residential customers pay an average of 12.13¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 20% below the Georgia average of 15.12¢ and 33% below the U.S. average.
What is the average Cobb Electric Membership Corp. electric bill?
About $135 a month. The average Cobb Electric Membership Corp. home uses 1,115 kWh a month. At 1,000 kWh the bill would be about $121.
How many customers does Cobb Electric Membership Corp. have?
Cobb Electric Membership Corp. serves 203,131 residential customers and 226,844 customers in total in Georgia, across 5 counties.
How reliable is Cobb Electric Membership Corp.?
In 2025, the average Cobb Electric Membership Corp. customer was without power for 48 min (SAIDI) over 0.86 interruptions (SAIFI), including major storms. Excluding major event days it was 32 min. The Georgia average was 4 hr 29 min and the U.S. average 4 hr 26 min.
Does Cobb Electric Membership Corp. offer time-of-use rates?
Yes. The OpenEI rate database lists 3 time-of-use residential plans, including Residentail Service R-12-TOU: Rate 12T. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does Cobb Electric Membership Corp. offer net metering for solar?
Cobb Electric Membership Corp. had 628 residential net-metered customers in 2025 with 4.2 MW of capacity. Estimate solar savings at this utility's rate.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Cobb Electric Membership Corp. before making decisions.