Coastal Electric Co-op electricity rates
Electric cooperative · South Carolina
Coastal Electric Co-op is a member-owned electric cooperative, so its customers own it and elect its board, serving 12,337 homes in South Carolina. Its residential customers pay an average of 17.80¢/kWh including fixed and delivery charges, 1% less than the U.S. average.
Rate basis: EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend. This utility files EIA's short form, which reports total sales only, so the rate covers all customer classes.
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Coastal Electric Co-op bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $89.00 | $81.50 |
| 1,000 kWh | $178.00 | $153.00 |
| 1,500 kWh | $267.00 | $224.50 |
| 2,000 kWh | $356.00 | $296.00 |
*Residential (effective 2014-02-04, $10.00/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.
Coastal Electric Co-op residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential | 2014-02-04 | $10.00 | 14.30¢ |
| PP Residential | 2014-02-04 | $15.00 | 14.30¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Coastal Electric Co-op rate history
2015–2025: +10% change in the average residential rate (15.50¢ → 17.02¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2019 | Coastal Electric Co-op | South Carolina avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 387 | 151 | 266 |
| Outages per customer (SAIFI) | 2.65 | 1.16 | 1.34 |
| Average restoration time (CAIDI) | 2 hr 26 min | — | — |
| Outage minutes excluding major storms | 153 | 102 | 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 Coastal Electric Co-op's counties, customers averaged 3 hr 16 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Colleton | 308 | 90 | 3,583 | 2025-03-23 |
| Dorchester | 171 | 78 | 12,386 | 2025-03-21 |
| Bamberg | 147 | 48 | 904 | 2025-11-20 |
Coastal Electric Co-op service area
Coastal Electric Co-op serves 3 counties in South Carolina and 1 ZIP codes.
Bamberg, Colleton, Dorchester
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
Coastal Electric Co-op at a glance
| Ownership | Electric cooperative |
| Services | — |
| Retail revenue (2025) | $32,900,000 |
| Electricity sold (2025) | 193,272 MWh |
| Balancing authority | SC |
| EIA utility ID | 3844 |
Other utilities in South Carolina
Frequently asked questions
What is Coastal Electric Co-op's electricity rate?
Coastal Electric Co-op residential customers pay an average of 17.80¢ per kWh, all charges included (EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend). That's 14% above the South Carolina average of 15.64¢ and 1% below the U.S. average.
What is the average Coastal Electric Co-op electric bill?
About $232 a month. The average Coastal Electric Co-op home uses 1,306 kWh a month. At 1,000 kWh the bill would be about $178.
How many customers does Coastal Electric Co-op have?
Coastal Electric Co-op serves 12,337 residential customers in South Carolina, across 3 counties.
How reliable is Coastal Electric Co-op?
In 2019, the average Coastal Electric Co-op customer was without power for 6 hr 27 min (SAIDI) over 2.65 interruptions (SAIFI), including major storms. Excluding major event days it was 2 hr 33 min. The South Carolina average was 2 hr 31 min and the U.S. average 4 hr 26 min.
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 Coastal Electric Co-op before making decisions.