Nevada power outages by utility

5 Nevada utilities report outage minutes to EIA. The state median is 44 minutes a year; the range runs from 8 to 102.

Ranking by outage minutes

Nevada, SAIDI without major event days, 2024; lower is better; 5 utilities.

Rank	Nevada utility	Owner type	Nevada home accounts	SAIDI min	Interruptions (SAIFI)	SAIDI with storms	Nevada storm share	Price ¢/kWh
1	City of Boulder City	Municipal	7,145	8	0.04	11	24%	10.37
2	Overton Power District No 5	Political Subdivision	15,545	21	0.31	158	87%	10.69
3	Valley Electric Assn, Inc	Cooperative	22,368	44	0.69	85	48%	16.73
4	Nevada Power Co	Investor Owned	916,385	52	0.53	73	29%	15.33
5	Sierra Pacific Power Co	Investor Owned	330,891	102	1.04	403	75%	14.52

Nevada outage minutes by owner type

In Nevada, 99% of 1,311,755 home accounts sit with the 5 qualifying utilities out of 8 in the file. Nevada customer-weighted SAIDI is 64 minutes against a median of 44, and 1 of 5 Nevada utilities exceed the U.S. median of 99. Counting major event days adds a median 48% to SAIDI.

Nevada owner type	Nevada utilities	Nevada home accounts	Nevada median SAIDI	Nevada weighted SAIDI	Nevada median SAIFI	Nevada storm share	Nevada median price ¢/kWh
Investor Owned	2	1,247,276	77	65	0.79	52%	14.92
Cooperative	1	22,368	44	44	0.69	48%	16.73
Political Subdivision	1	15,545	21	21	0.31	87%	10.69
Municipal	1	7,145	8	8	0.04	24%	10.37

By owner type, Municipal utilities have the lowest median SAIDI in Nevada (8 minutes, 1 of 5) and Investor Owned the highest (77 minutes, 2 of 5).

Nevada utilities that stand out

Why it stands out	Nevada utility	Nevada owner type	Nevada accounts	Nevada SAIDI min	Nevada SAIDI rank	Nevada SAIFI	Nevada SAIDI with storms	Nevada price ¢/kWh	Nevada price rank
the most reliable	City of Boulder City	Municipal	7,145	8	1 of 5	0.04	11	10.37	1 of 5
the least reliable	Sierra Pacific Power Co	Investor Owned	330,891	102	5 of 5	1.04	403	14.52	3 of 5
the largest	Nevada Power Co	Investor Owned	916,385	52	4 of 5	0.53	73	15.33	4 of 5
the most storm-driven	Overton Power District No 5	Political Subdivision	15,545	21	2 of 5	0.31	158	10.69	2 of 5
the priciest	Valley Electric Assn, Inc	Cooperative	22,368	44	3 of 5	0.69	85	16.73	5 of 5

Does a higher price buy fewer outages?

Each dot is one of 5 Nevada utilities.

Nevada, 2024: 5 rows

	Home price, cents per kWh	SAIDI, minutes a year
City of Boulder City	10.37	8
Overton Power District No 5	10.69	21
Valley Electric Assn, Inc	16.73	44
Nevada Power Co	15.33	52
Sierra Pacific Power Co	14.52	102

5 rows from EIA-861 survey.

CSV

Nevada utilities, change in their own SAIDI

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

Rank	Nevada utility	Nevada years	Nevada SAIDI first	Nevada SAIDI last	Nevada change
1	Overton Power District No 5	2016 to 2025	17	13	-20%
2	Sierra Pacific Power Co	2015 to 2024	117	102	-13%
3	Valley Electric Assn, Inc	2015 to 2025	46	50	+9%
4	Nevada Power Co	2015 to 2025	32	54	+69%

Analyst note

The reporters cover 99% of Nevada home accounts, rank 1 of 40. Of 5 Nevada utilities with 1,000+ home accounts that report SAIDI, City of Boulder City is lowest at 8 minutes a year and Sierra Pacific Power Co highest at 102, a 12.7 to 1 spread. The state median is 44 minutes, -56% against the U.S. median reporter. Over each utility's own record, Overton Power District No 5 improved most (17 to 13 minutes, -20%, 2016 to 2025) and Nevada Power Co changed the other way (32 to 54, +69%); 2 of 4 fell. Storms weigh most at Overton Power District No 5: 87% of its all-event SAIDI (158 minutes) comes from major event days, against 21 without them.

Questions on Nevada outages

How much of Nevada does this ranking cover?

99% of home accounts: 5 utilities of 8.

Which Nevada utility has the fewest outage minutes?

City of Boulder City: 8 minutes a year, SAIDI without major events, 2024.

Which Nevada utility has the most?

Sierra Pacific Power Co: 102 minutes a year in 2024.

What is the typical SAIDI in Nevada?

The median of 5 reporting utilities is 44 minutes, -56% on the U.S. median reporter.

Do cheaper Nevada utilities have more outages?

Too few utilities for a meaningful correlation.

How much of Nevada outage time comes from storms?

At Overton Power District No 5 87% of all-event SAIDI is major event days.

How reliable is the largest Nevada utility?

Nevada Power Co serves 916,385 home accounts and reports 52 minutes, rank 4 of 5; weighted by customers the state figure is 64.

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

4 owner types report in Nevada: Municipal 1 utility with 7,145 home accounts, Political Subdivision 1 utility with 15,545 home accounts, Cooperative 1 utility with 22,368 home accounts, Investor Owned 2 utilities with 1,247,276 home accounts.

What share of Nevada home accounts do these utilities serve?

99% of 1,311,755 accounts, 5 of 8 utilities; 1 are above the U.S. median of 99 minutes.