Electricity rates in Mandeville, LA
Mandeville (12,345 people, St. Tammany County) is served by 2 electric utilities. Homes on Washington-St Tammany E C pay about 11.41¢/kWh, 12% less than the Louisiana average.
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Electric companies serving Mandeville
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Washington-St Tammany E C | Electric cooperative | 11.41¢ | $151 | 51K | 511 |
| Cleco Power | Investor-owned utility | 14.62¢ | $182 | 253K | 212 |
Power outages in St. Tammany County right now
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Outage history in St. Tammany County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 497 | 168 |
| Days with outages | 76 | 66 |
| Most customers out at once | 33,719 (20.5%) | 23,349 (14.2%) |
| Worst day | 2024-09-12 | 2025-05-25 |
Outage minutes by month, 2025
Less outage time than 2024 (497 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Lacombe 14.6¢
- Covington 14.6¢
- Abita Springs 14.6¢
- Slidell 14.6¢
- Eden Isle 14.6¢
- Pearl River 14.6¢
- Ponchatoula 12.3¢
- Hammond 12.3¢
- Metairie 12.3¢
- Kenner 12.3¢
ZIP codes: 70448, 70470, 70471
Frequently asked questions
What is the electricity rate in Mandeville?
Most homes in Mandeville get power from Washington-St Tammany E C, where residential customers pay an average of 11.41¢/kWh including all charges. The Louisiana average is 12.99¢ and the U.S. average 17.99¢. Other utilities serving parts of Mandeville: Cleco Power (14.62¢).
What is the average electric bill in Mandeville?
About $151 a month, based on 1,323 kWh a month (the average for Washington-St Tammany E C customers) at 11.41¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Mandeville, LA?
2 utilities serve Mandeville's ZIP codes: Washington-St Tammany E C, Cleco Power. Which one serves you depends on your street address.
How often does the power go out in Mandeville?
In 2025, customers in St. Tammany County averaged 2 hr 48 min without power. Outages hit 66 days of the year, and the worst day was 2025-05-25, when 23,349 customers (14.2%) were out. Source: ORNL EAGLE-I.