Mid-Carolina Electric Co-op electricity rates
Electric cooperative · South Carolina · SERC region
Mid-Carolina Electric Co-op is a member-owned electric cooperative, so its customers own it and elect its board, serving 57,067 homes in South Carolina. Its residential customers pay an average of 17.60¢/kWh including fixed and delivery charges, 2% 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.
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Mid-Carolina Electric Co-op bill estimates
| Monthly use | At average all-in rate |
|---|---|
| 500 kWh | $88.00 |
| 1,000 kWh | $176.00 |
| 1,500 kWh | $264.00 |
| 2,000 kWh | $352.00 |
Mid-Carolina Electric Co-op residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential, Farm and Church servicetime-of-use | 2015-07-01 | $19.00 | 9.5¢ (12am–12am) — summer weekdays |
| RESIDENTIAL SERVICE - NEW GOOD CENTStime-of-use | 2015-07-01 | $19.00 | 8.5¢ (12am–12am) — summer weekdays |
| RESIDENTIAL SERVICE - IMPROVED GOOD CENTStime-of-use | 2015-07-01 | $19.00 | 9.0¢ (12am–12am) — summer weekdays |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Mid-Carolina Electric Co-op rate history
2015–2025: +37% change in the average residential rate (12.31¢ → 16.83¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Mid-Carolina Electric Co-op | South Carolina avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 267 | 151 | 266 |
| Outages per customer (SAIFI) | 2.21 | 1.16 | 1.34 |
| Average restoration time (CAIDI) | 2 hr 1 min | — | — |
| Outage minutes excluding major storms | 90 | 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 Mid-Carolina Electric Co-op's counties, customers averaged 3 hr 54 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Saluda | 1,005 | 60 | 12,782 | 2025-06-08 |
| Newberry | 441 | 76 | 9,480 | 2025-06-08 |
| Lexington | 240 | 48 | 55,567 | 2025-06-08 |
| Aiken | 222 | 78 | 16,695 | 2025-06-08 |
| Richland | 172 | 38 | 43,801 | 2025-06-26 |
Mid-Carolina Electric Co-op service area
Mid-Carolina Electric Co-op serves 5 counties in South Carolina and 21 ZIP codes.
Aiken, Lexington, Newberry, Richland, Saluda
Cities: Columbia, Saint Andrews, Lexington, West Columbia, Seven Oaks, Irmo, Newberry, Oak Grove, Red Bank, Lake Murray of Richland, Batesburg-Leesville, Batesburg, Springdale, South Congaree, Leesville, Pineridge, Gaston, Chapin, Prosperity
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 1 |
Mid-Carolina Electric Co-op at a glance
| Ownership | Electric cooperative |
| Services | Distribution |
| Commercial rate | 14.74¢/kWh |
| Industrial rate | 11.41¢/kWh |
| Retail revenue (2025) | $169,626,900 |
| Electricity sold (2025) | 1,057,452 MWh |
| Peak demand | 281 MW summer · 307 MW winter |
| Line losses | 3.4% |
| Balancing authority | SC |
| EIA utility ID | 12462 |
Other utilities in South Carolina
Frequently asked questions
What is Mid-Carolina Electric Co-op's electricity rate?
Mid-Carolina Electric Co-op residential customers pay an average of 17.60¢ 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 13% above the South Carolina average of 15.64¢ and 2% below the U.S. average.
What is the average Mid-Carolina Electric Co-op electric bill?
About $204 a month. The average Mid-Carolina Electric Co-op home uses 1,158 kWh a month. At 1,000 kWh the bill would be about $176.
How many customers does Mid-Carolina Electric Co-op have?
Mid-Carolina Electric Co-op serves 57,067 residential customers and 61,196 customers in total in South Carolina, across 5 counties.
How reliable is Mid-Carolina Electric Co-op?
In 2025, the average Mid-Carolina Electric Co-op customer was without power for 4 hr 27 min (SAIDI) over 2.21 interruptions (SAIFI), including major storms. Excluding major event days it was 90 min. The South Carolina average was 2 hr 31 min and the U.S. average 4 hr 26 min.
Does Mid-Carolina Electric Co-op offer time-of-use rates?
Yes. The OpenEI rate database lists 3 time-of-use residential plans, including Residential, Farm and Church service. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does Mid-Carolina Electric Co-op offer net metering for solar?
Mid-Carolina Electric Co-op had 1 residential net-metered customers in 2025 with 0.0 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 Mid-Carolina Electric Co-op before making decisions.