Louisiana power outages by utility

6 Louisiana utilities report outage minutes to EIA. The state median is 224 minutes a year; the range runs from 33 to 320.

Ranking by outage minutes

Louisiana, SAIDI without major event days, 2024; lower is better; 6 utilities.

Rank	Louisiana utility	Owner type	Louisiana home accounts	SAIDI min	Interruptions (SAIFI)	SAIDI with storms	Louisiana storm share	Price ¢/kWh
1	City of Lafayette	Municipal	59,961	33	0.67	167	80%	10.12
2	Entergy New Orleans, LLC	Investor Owned	188,178	180	1.59	586	69%	13.03
3	Entergy Louisiana LLC	Investor Owned	957,522	213	1.55	610	65%	11.05
4	Dixie Electric Membership Corp	Cooperative	110,675	235	2.61	237	1%	11.91
5	Washington-St Tammany E C, Inc	Cooperative	50,901	242	2.61	1508	84%	11.85
6	Southwestern Electric Power Co	Investor Owned	207,011	320	1.88	984	67%	13.46

Louisiana outage minutes by owner type

In Louisiana, 73% of 2,147,745 home accounts sit with the 6 qualifying utilities out of 20 in the file. Louisiana customer-weighted SAIDI is 219 minutes against a median of 224, and 5 of 6 Louisiana utilities exceed the U.S. median of 99. Counting major event days adds a median 68% to SAIDI.

Louisiana owner type	Louisiana utilities	Louisiana home accounts	Louisiana median SAIDI	Louisiana weighted SAIDI	Louisiana median SAIFI	Louisiana storm share	Louisiana median price ¢/kWh
Investor Owned	3	1,352,711	213	225	1.59	67%	13.03
Cooperative	2	161,576	238	237	2.61	42%	11.88
Municipal	1	59,961	33	33	0.67	80%	10.12

By owner type, Municipal utilities have the lowest median SAIDI in Louisiana (33 minutes, 1 of 6) and Cooperative the highest (238 minutes, 2 of 6).

Louisiana utilities that stand out

Why it stands out	Louisiana utility	Louisiana owner type	Louisiana accounts	Louisiana SAIDI min	Louisiana SAIDI rank	Louisiana SAIFI	Louisiana SAIDI with storms	Louisiana price ¢/kWh	Louisiana price rank
the most reliable	City of Lafayette	Municipal	59,961	33	1 of 6	0.67	167	10.12	1 of 6
the least reliable	Southwestern Electric Power Co	Investor Owned	207,011	320	6 of 6	1.88	984	13.46	6 of 6
the largest	Entergy Louisiana LLC	Investor Owned	957,522	213	3 of 6	1.55	610	11.05	2 of 6
the most storm-driven	Washington-St Tammany E C, Inc	Cooperative	50,901	242	5 of 6	2.61	1,508	11.85	3 of 6
the most improved	Dixie Electric Membership Corp	Cooperative	110,675	235	4 of 6	2.61	237	11.91	4 of 6

Does a higher price buy fewer outages?

Each dot is one of 6 Louisiana utilities.

Louisiana, 2024: 6 rows

	Home price, cents per kWh	SAIDI, minutes a year
City of Lafayette	10.12	33
Entergy New Orleans, LLC	13.03	180
Entergy Louisiana LLC	11.05	213
Dixie Electric Membership Corp	11.91	235
Washington-St Tammany E C, Inc	11.85	242
Southwestern Electric Power Co	13.46	320

6 rows from EIA-861 survey.

CSV

Louisiana utilities, change in their own SAIDI

First to last year each utility reported, best change first.

Rank	Louisiana utility	Louisiana years	Louisiana SAIDI first	Louisiana SAIDI last	Louisiana change
1	Dixie Electric Membership Corp	2015 to 2024	262	235	-10%
2	Southwestern Electric Power Co	2015 to 2025	364	332	-9%
3	City of Lafayette	2016 to 2025	25	27	+7%
4	Entergy Louisiana LLC	2015 to 2025	176	218	+24%
5	Entergy New Orleans, LLC	2015 to 2025	136	174	+28%
6	Washington-St Tammany E C, Inc	2015 to 2025	322	484	+51%

Analyst note

The Louisiana median of 224 minutes ranks 3 of 40 states from the worst. Of 6 Louisiana utilities with 1,000+ home accounts that report SAIDI, City of Lafayette is lowest at 33 minutes a year and Southwestern Electric Power Co highest at 320, a 9.7 to 1 spread. The state median is 224 minutes, +125% against the U.S. median reporter. Over each utility's own record, Dixie Electric Membership Corp improved most (262 to 235 minutes, -10%, 2015 to 2024) and Washington-St Tammany E C, Inc changed the other way (322 to 484, +51%); 2 of 6 fell. Home price and outage minutes line up at r = +0.76 across 6 Louisiana utilities: the pricier ones report more minutes. That is Louisiana's pattern, not a cause.

Questions on Louisiana outages

Is Louisiana outage time high or low?

Median 224 minutes, rank 3 of 40 states from the worst; customer-weighted 219.

Which Louisiana utility has the fewest outage minutes?

City of Lafayette: 33 minutes a year, SAIDI without major events, 2024.

Which Louisiana utility has the most?

Southwestern Electric Power Co: 320 minutes a year in 2024.

What is the typical SAIDI in Louisiana?

The median of 6 reporting utilities is 224 minutes, +125% on the U.S. median reporter.

Do cheaper Louisiana utilities have more outages?

Across 6 utilities r = +0.76, so the link is positive: higher price goes with more outage minutes.

How much of Louisiana outage time comes from storms?

At Washington-St Tammany E C, Inc 84% of all-event SAIDI is major event days.

How reliable is the largest Louisiana utility?

Entergy Louisiana LLC serves 957,522 home accounts and reports 213 minutes, rank 3 of 6; weighted by customers the state figure is 219.

Do Louisiana co-ops and investor-owned utilities differ?

3 owner types report in Louisiana: Municipal 1 utility with 59,961 home accounts, Investor Owned 3 utilities with 1,352,711 home accounts, Cooperative 2 utilities with 161,576 home accounts.

What share of Louisiana home accounts do these utilities serve?

73% of 2,147,745 accounts, 6 of 20 utilities; 5 are above the U.S. median of 99 minutes.