Washington-St Tammany E C Electricity Rates
Washington-St Tammany E C residential customers pay an average of 11.9¢/kWh (EIA-861, 2024, bundled service), or about $153.21 per month — 1% above the Louisiana state average. See what your bill looks like at that rate below.
11.9¢/kWh
EIA-861, 2024, bundled
$153.21
per month, residential
+1%
11.7¢/kWh state avg
What a Washington-St Tammany E C bill looks like by usage
Monthly cost at Washington-St Tammany E C's effective 11.9¢/kWh rate vs the Louisiana average of 11.7¢/kWh. U.S. homes average about 863 kWh/month.
| Monthly usage | Washington-St Tammany E C | LA average |
|---|---|---|
| 500 kWh | $59.25 | $58.65 |
| 750 kWh | $88.88 | $87.98 |
| 1,000 kWh | $118.50 | $117.30 |
| 1,250 kWh | $148.13 | $146.63 |
| 1,500 kWh | $177.75 | $175.95 |
| 2,000 kWh | $237.00 | $234.60 |
Find what drives your Washington-St Tammany E C bill
Rates and averages explain the price of a kilowatt-hour, not how many you use. A plug-in energy meter logs what one corded 120 V appliance really draws over a week. A whole-home monitor logs every circuit at once, so the biggest loads on your own bill show up by name — its sensors clip on inside the panel, which is work for an electrician if that isn't you.
We earn a commission if you buy through links on this page, at no extra cost to you. It does not change what we recommend — see our affiliate disclosure. As an Amazon Associate I earn from qualifying purchases.
Plug-in power meter
P3 International Kill A Watt P4400
Best for: Measuring what one plug-in appliance really uses
Whole-home energy monitor
Emporia Vue 3 Home Energy Monitor (16 circuit sensors)
Best for: Measuring hardwired and 240 V loads, or every circuit at once
EV charging cost on Washington-St Tammany E C
Rate is pre-filled to Washington-St Tammany E C's 11.9¢/kWh. Enter your car's battery size.
Frequently asked questions
Other utilities in Louisiana
Think your Washington-St Tammany E C bill is too high?
Start with our guide to estimating and lowering your electric bill, then find the culprits with the appliance running-cost tables. EV driver on a time-of-use plan? See off-peak EV charging.


