Southwest Louisiana E M C electricity rates
Electric cooperative · Louisiana · SERC region · SPP
Southwest Louisiana E M C is a member-owned electric cooperative, so its customers own it and elect its board, serving 109,628 homes in Louisiana. Its residential customers pay an average of 11.96¢/kWh including fixed and delivery charges, 34% 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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Southwest Louisiana E M C bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $59.80 | $49.45 |
| 1,000 kWh | $119.60 | $92.41 |
| 1,500 kWh | $179.40 | $135.37 |
| 2,000 kWh | $239.20 | $178.32 |
*SLEMCO-Rate 5 All electric residential rate (may have gas stove, dryer and fireplace jet) (effective 2014-04-01, $6.50/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.
Southwest Louisiana E M C residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| SLEMCO-Rate 5 All electric residential rate (may have gas stove, dryer and fireplace jet) | 2014-04-01 | $6.50 | 8.59¢ |
| SLEMCO-Rate 01 Regular residential rate (gas heat and/or gas water heater) | 2014-04-01 | $6.50 | 7.10¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Southwest Louisiana E M C rate history
2015–2025: +39% change in the average residential rate (8.30¢ → 11.57¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Southwest Louisiana E M C | Louisiana avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 232 | 270 | 266 |
| Outages per customer (SAIFI) | 2.67 | 2.32 | 1.34 |
| Average restoration time (CAIDI) | 87 min | — | — |
| Outage minutes excluding major storms | 172 | 216 | 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 Southwest Louisiana E M C's counties, customers averaged 5 hr 20 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Acadia | 471 | 87 | 14,776 | 2025-03-24 |
| St Martin | 412 | 112 | 6,026 | 2025-05-21 |
| Avoyelles | 408 | 114 | 4,196 | 2025-07-30 |
| Lafayette | 347 | 40 | 13,014 | 2025-01-21 |
| St Landry | 327 | 102 | 5,895 | 2025-03-24 |
| Vermilion | 304 | 82 | 2,924 | 2025-02-09 |
| Cameron | 293 | 25 | 814 | 2025-05-01 |
| Evangeline | 187 | 83 | 2,746 | 2025-03-04 |
| Iberia | 167 | 74 | 2,728 | 2025-03-24 |
Southwest Louisiana E M C service area
Southwest Louisiana E M C serves 9 counties in Louisiana and 59 ZIP codes.
Acadia, Avoyelles, Cameron, Evangeline, Iberia, Lafayette, St Landry, St Martin, Vermilion
Cities: Lafayette, New Iberia, Opelousas, Crowley, Abbeville, Youngsville, Broussard, Eunice, Jennings, Scott, Carencro, Breaux Bridge, Rayne, Ville Platte, Saint Martinville, Kaplan, Church Point, Bunkie, Mamou, Milton, Sunset, Lake Arthur, Ossun, Port Barre, Erath, Cecilia, Delcambre, Basile, Duson, Oberlin, Henderson, Cade, Iota, Gueydan, Maurice, Krotz Springs, Elton, Leonville, Catahoula, Arnaudville
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 1,064 |
Southwest Louisiana E M C at a glance
| Ownership | Electric cooperative |
| Services | Transmission, Distribution |
| Commercial rate | 13.41¢/kWh |
| Industrial rate | 10.62¢/kWh |
| Retail revenue (2025) | $306,860,000 |
| Electricity sold (2025) | 2,621,912 MWh |
| Peak demand | 573 MW summer · 783 MW winter |
| Line losses | 4.0% |
| Balancing authority | MISO |
| EIA utility ID | 17684 |
Other utilities in Louisiana
Frequently asked questions
What is Southwest Louisiana E M C's electricity rate?
Southwest Louisiana E M C residential customers pay an average of 11.96¢ 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 Louisiana average of 12.99¢ and 34% below the U.S. average.
What is the average Southwest Louisiana E M C electric bill?
About $168 a month. The average Southwest Louisiana E M C home uses 1,404 kWh a month. At 1,000 kWh the bill would be about $120.
How many customers does Southwest Louisiana E M C have?
Southwest Louisiana E M C serves 109,628 residential customers and 118,774 customers in total in Louisiana, across 9 counties.
How reliable is Southwest Louisiana E M C?
In 2025, the average Southwest Louisiana E M C customer was without power for 3 hr 52 min (SAIDI) over 2.67 interruptions (SAIFI), including major storms. Excluding major event days it was 2 hr 52 min. The Louisiana average was 4 hr 30 min and the U.S. average 4 hr 26 min.
Does Southwest Louisiana E M C offer net metering for solar?
Southwest Louisiana E M C had 1,064 residential net-metered customers in 2025 with 7.5 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 Southwest Louisiana E M C before making decisions.