Washington-St Tammany E C, Inc residential customers paid an average of 11.85¢/kWh in 2024 —
1% above the Louisiana average of 11.73¢/kWh (EIA-861).
It served 50,901 residential customers across 3 LA counties.
Territories are fixed by address, but the cheapest nearby utility, Entergy Louisiana (11.05¢), works out about $86/yr less at 10,800 kWh/yr.
How Washington-St Tammany E C compares with the utilities next door
| Utility | 2024 ¢/kWh | Customers | Δ vs Washington-St Tammany E C, ¢/kWh | $/yr difference |
|---|---|---|---|---|
| Entergy Louisiana LLC | 11.05 | 957,522 | -0.79 | -$86 |
| Washington-St Tammany E C, Inc (this page) | 11.85 | 50,901 | — | — |
| Dixie Electric Membership Corp | 11.91 | 110,675 | +0.06 | +$7 |
| Cleco Power LLC | 12.33 | 251,927 | +0.48 | +$52 |
3 bundled utilities (≥5,000 customers) share at least one county with Washington-St Tammany E C. Positive $/yr = that utility's customers pay more than Washington-St Tammany E C customers at the same usage. Territories are fixed by address — these gaps measure cost differences between areas, not options you can pick between.
Where Washington-St Tammany E C customers pay more (county benchmark)
| County | Cheapest utility in county | Their ¢/kWh | Washington-St Tammany E C premium, $/yr |
|---|---|---|---|
| St Tammany | Entergy Louisiana LLC | 11.05 | +$86 |
| Tangipahoa | Entergy Louisiana LLC | 11.05 | +$86 |
| Washington | Entergy Louisiana LLC | 11.05 | +$86 |
Multiple utilities in one county means adjoining territories, not household choice — you cannot switch wires companies.
Rate trend and size
| Metric | 2023 | 2024 | Change |
|---|---|---|---|
| Average price, ¢/kWh | 10.76 | 11.85 | +10.1% |
| Residential customers | 50,577 | 50,901 | +0.6% |
Ownership: Cooperative. Statewide context: Louisiana electricity rates.
Supply vs delivery on a Washington-St Tammany E C bill
Louisiana is a regulated retail market — Washington-St Tammany E C customers cannot choose a different supplier; rates are set in utility-commission proceedings. Official information: lpsc.louisiana.gov.
Counties served (LA, EIA-861 2024)
St Tammany · Tangipahoa · Washington
Head-to-head comparisons
- Entergy Louisiana LLC vs Washington-St Tammany E C, Inc
- Cleco Power LLC vs Washington-St Tammany E C, Inc
- Dixie Electric Membership Corp vs Washington-St Tammany E C, Inc
Questions people ask
- Is Washington-St Tammany E C, Inc more expensive than other Louisiana utilities?
- Washington-St Tammany E C, Inc customers paid an average 11.85 cents/kWh in 2024 — 1% above the Louisiana volume-weighted average of 11.73 cents (EIA-861, bundled residential service).
- Can I switch away from Washington-St Tammany E C, Inc?
- No — distribution territory is fixed by address and Louisiana has no residential supplier shopping. Rate changes go through the state utility commission (lpsc.louisiana.gov).
- How many customers does Washington-St Tammany E C, Inc have?
- 50,901 residential customers in Louisiana in 2024 across 3 counties, per its EIA-861 federal filing. Ownership type: co-op.
About these numbers. Rates shown are averages computed from federal regulatory filings (EIA Form 861)
and public tariff databases — confirm with your utility before making decisions; your actual rate depends on your tariff,
usage, and riders. Distribution utility is determined by address and generally cannot be chosen; in retail-choice states
you may choose your supplier for the supply portion of the bill. Savings figures use 10,800 kWh/yr
(US average residential usage) and are estimates, not quotes. EnergySavings is an independent data project by CertiHomes
and is not affiliated with any utility, supplier, or government agency.