Electricity in Slidell, Louisiana
3 electric utilities serve homes in St. Tammany Parish, where Slidell is: Entergy Louisiana, Cleco Power and Washington-St Tammany EC. The name of your utility is on your bill. In 2025, the average home bill of these utilities was $146.02 (Washington-St Tammany EC) to $177.57 (Cleco Power) a month. The Louisiana average was $153.32.
- 28,341 people (2025 estimate)
- St. Tammany Parish
- EIA data, 2025
Electric utilities in Slidell
EIA lists utilities by county, not by city. These utilities serve homes in St. Tammany Parish. Your address has one utility: its name is on your bill, or type your ZIP code in the utility finder.
| Utility | Homes in Louisiana | Average bill 2025 | 1,000 kWh now |
|---|---|---|---|
| Entergy LouisianaInvestor-owned utility · bill calculator | 961,871 | $146.761,233 kWh, 11.9¢ | $146.19 |
| Cleco PowerInvestor-owned utility | 252,816 | $177.571,245 kWh, 14.3¢ | — |
| Washington-St Tammany ECElectric cooperative | 51,187 | $146.021,323 kWh, 11.0¢ | — |
The average bill is the 2025 average of each utility's homes that bought their power from it (EIA-861); a dash means that its homes buy power from a retail supplier. The 1,000 kWh bill is from the official tariff, before taxes, for the utilities that have a calculator on this site. The Louisiana average was $153.32 a month for 1,225 kWh (12.5¢ per kWh).
Solar power in Slidell
A home solar system on a south-facing roof in Slidell makes about 1,394 kWh a year for each kW of panels (PVWatts, National Laboratory of the Rockies). A 6 kW system makes about 8,364 kWh a year. See what that saves on your utility's rates with the solar savings calculator.
Lower your electric bill in Slidell
- Open your utility above for its average bill, outages and rates, or the bill calculator to check your own bill.
- Help paying your Entergy Louisiana bill: 11 programs, with who qualifies and how to apply.
- Help paying the electric bill in Louisiana: bill assistance, payment plans and discounts.
- Why is my electric bill so high? and the appliance cost calculator.
More about Louisiana: Louisiana electric rates and all Louisiana utilities, business electricity rates and natural gas bills. Other cities: New Orleans, Alexandria, Baton Rouge, Bossier City, Houma, Kenner, Lafayette, Lake Charles, Monroe, New Iberia, Shreveport.
Who provides electricity in Slidell, LA?
3 electric utilities serve homes in St. Tammany Parish, where Slidell is: Entergy Louisiana, Cleco Power and Washington-St Tammany EC. The name of your utility is on your bill.
What is the average electric bill in Slidell, LA?
In 2025, the average home bill of these utilities was $146.02 (Washington-St Tammany EC) to $177.57 (Cleco Power) a month. The Louisiana average was $153.32 a month for 1,225 kWh. Your bill depends on your kWh and your rate plan.
utilityratecalc.com is not part of any utility or city government. Sources: Census Bureau city population estimates, Vintage 2025 (the city and its counties); EIA-861 data, 2025 (utilities by county, homes and average bills).