MPD Electric Cooperative electricity rates
Electric cooperative · South Carolina · SERC region
MPD Electric Cooperative is a member-owned electric cooperative, so its customers own it and elect its board, serving 32,130 homes in South Carolina. Its residential customers pay an average of 14.35¢/kWh including fixed and delivery charges, 20% 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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MPD Electric Cooperative bill estimates
| Monthly use | At average all-in rate |
|---|---|
| 500 kWh | $71.75 |
| 1,000 kWh | $143.50 |
| 1,500 kWh | $215.25 |
| 2,000 kWh | $287.00 |
MPD Electric Cooperative rate history
2023–2025: +24% change in the average residential rate (11.03¢ → 13.73¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | MPD Electric Cooperative | South Carolina avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 136 | 151 | 266 |
| Outages per customer (SAIFI) | 1.24 | 1.16 | 1.34 |
| Average restoration time (CAIDI) | 110 min | — | — |
| Outage minutes excluding major storms | 103 | 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 MPD Electric Cooperative's counties, customers averaged 2 hr 36 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Lee | 485 | 51 | 2,849 | 2025-06-26 |
| Chesterfield | 252 | 73 | 3,357 | 2025-05-10 |
| Marion | 222 | 46 | 1,510 | 2025-06-08 |
| Dillon | 207 | 35 | 2,208 | 2025-03-20 |
| Darlington | 173 | 52 | 4,113 | 2025-01-24 |
| Florence | 93 | 54 | 4,099 | 2025-11-19 |
| Marlboro | 65 | 23 | 1,121 | 2025-12-29 |
MPD Electric Cooperative service area
MPD Electric Cooperative serves 7 counties in South Carolina.
Chesterfield, Darlington, Dillon, Florence, Lee, Marion, Marlboro
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 214 |
MPD Electric Cooperative at a glance
| Ownership | Electric cooperative |
| Services | Distribution |
| Commercial rate | 15.37¢/kWh |
| Industrial rate | 10.42¢/kWh |
| Retail revenue (2025) | $185,499,000 |
| Electricity sold (2025) | 1,540,683 MWh |
| Peak demand | 283 MW summer · 334 MW winter |
| Line losses | 2.9% |
| Balancing authority | SC |
| EIA utility ID | 66073 |
Other utilities in South Carolina
Frequently asked questions
What is MPD Electric Cooperative's electricity rate?
MPD Electric Cooperative residential customers pay an average of 14.35¢ 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 8% below the South Carolina average of 15.64¢ and 20% below the U.S. average.
What is the average MPD Electric Cooperative electric bill?
About $188 a month. The average MPD Electric Cooperative home uses 1,312 kWh a month. At 1,000 kWh the bill would be about $144.
How many customers does MPD Electric Cooperative have?
MPD Electric Cooperative serves 32,130 residential customers and 38,905 customers in total in South Carolina, across 7 counties.
How reliable is MPD Electric Cooperative?
In 2025, the average MPD Electric Cooperative customer was without power for 2 hr 16 min (SAIDI) over 1.24 interruptions (SAIFI), including major storms. Excluding major event days it was 103 min. The South Carolina average was 2 hr 31 min and the U.S. average 4 hr 26 min.
Does MPD Electric Cooperative offer net metering for solar?
MPD Electric Cooperative had 214 residential net-metered customers in 2025 with 1.8 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 MPD Electric Cooperative before making decisions.