What we count
Electricity generated by nuclear power plants worldwide.
Nuclear electricity generated today
How much nuclear electricity corresponds to today's share of the latest annual IEA figure.
Continuously calculated
WORLDRelated numbers in context
429,419renewable power capacity added this year
2,694,121,315,068natural gas produced this year
2,422,000,000,000solar energy reaching earth today
What lies behind this number
Electricity generated by nuclear power plants worldwide.
How the source derives it
The source combines national energy balances, reported production, reserves and other official energy statistics.
What one number cannot show
The even conversion does not capture outages, output changes or differences between plants and countries.
Source value
The calculation uses the latest published annual value from IEA Global Energy Review 2026 for 2025 (2,858.5 TWh).
How the value is used: The running number shows the share corresponding to time since midnight.
Annual value2,858,500,000MWh
- Period
- 2025 (2,858.5 TWh)
- Status
- published
- Primary data source
- IEA Global Energy Review 2026
How the number is calculated
We convert the published annual value into an average share corresponding to time elapsed since midnight.
Formula used
V(t) = Vyear × elapsed seconds today ÷ seconds in the yearAnnual reference value2,858,500,0002025 (2,858.5 TWh) · MWh
Average per day7,826,307even time-based calculation
Calculation interval0.1 sContinuously calculated
Source value
IEA Global Energy Review 2026 reports the latest published figure used on this page for 2025 (2,858.5 TWh).
Calculation method
We convert the published annual value into an average share corresponding to time elapsed since midnight.
Smooth display
The result is recalculated on screen every 0.1 seconds.
Where the data comes from
The source value comes from IEA Global Energy Review 2026 and refers to 2025 (2,858.5 TWh). It is the latest figure published by this source. The source combines national energy balances, reported production, reserves and other official energy statistics.
Latest published and verified source value
- Publisher
- IEA Global Energy Review 2026
- Data period
- 2025 (2,858.5 TWh)
- Verified
- 13 August 2026
- Coverage
- Worldwide
- Use
- Even time-based calculation