How to read it
The outage rate weights each reactor by capacity. The seasonal line uses the same dates from five previous complete years.
Benchmark · daily · %
U.S. nuclear outage rate
How much U.S. nuclear capacity is currently offline?
U.S. nuclear outage rate tracks EIA nuclear outage percentage with five-year seasonal average. It uses daily data.
U.S. nuclear outage rate tracks EIA nuclear outage percentage with five-year seasonal average. It uses daily data.
- Nuclear outage rate
- 2.9%
- Five-year seasonal average
- 1.8%
- Seasonal gap
- +1.1 pp
- vs 1.8 five-year avg
- One-year change
- −5 bp
- from 3.0
- Historical percentile
- 15th
- of 7157 readings · since 2007-01-07
U.S. nuclear outage rate
Nuclear outage rate
Five-year seasonal average
| Series | First | Latest | Min | Max |
|---|---|---|---|---|
| Nuclear outage rate | 2.45 | 2.94 | 0.38 | 31.33 |
| Five-year seasonal average | 4.86 | 1.85 | 1.85 | 24.01 |
How this is calculated
EIA nuclear outage percentage with five-year seasonal averagePIER20 calculates this benchmark from official observations from the U.S. Energy Information Administration (EIA). The formula is EIA nuclear outage percentage with five-year seasonal average. The source table lists each selector and source link.
The latest data is from 11 Aug 2026. The Nuclear outage rate reading is 2.94%. The Five-year seasonal average reading is 1.85%. The Nuclear outage rate line is down 0.0 pp over the past year. It is below its long-run median of 7.73%.
How to read it
How this benchmark is used
Why traders watch it
Power traders use this benchmark to compare nuclear outages with their seasonal pattern.
Frequently asked questions
4 answersWhat is the latest reading for U.S. nuclear outage rate?
The latest data is from 11 Aug 2026. The Nuclear outage rate reading is 2.94%. The Five-year seasonal average reading is 1.85%. The Nuclear outage rate line is down 0.0 pp over the past year. It is below its long-run median of 7.73%.
How often does this benchmark update?
The source publishes daily data. PIER20 updates the page after each new observation. The chart shows the data date and fetch date.
What data sources does this chart use?
The U.S. Energy Information Administration (EIA) publishes the data. The methodology section lists each source series.
Where does the data come from?
The U.S. Energy Information Administration (EIA) publishes the source data. The source table lists each series and its exact link.