France primary energy production: nuclear
France primary energy production: nuclear stood at 84,276.63 GWh in Aug 2026, according to SDES – Service des données et études statistiques (Ministère de la Transition écologique). It is one of the indicators in the Monthly energy balances table (Value · Monthly), with a complete series running from Jan 1981 to Aug 2026. The complete series with an interactive chart, free to download.
This indicator in the Monthly energy balances table
| Indicator | 08-2026 | 07-2026 | 06-2026 | 05-2026 | 04-2026 | 03-2026 | 02-2026 | 01-2026 | 12-2025 | 11-2025 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary production | |||||||||||
| Nuclear (primary heat equivalent) | 84,276.63 | 95,422.83 | 89,270.87 | 92,067.66 | 93,477.98 | 105,203.15 | 103,408.45 | 121,902.7 | 125,395.16 | 108,420.88 | |
| Hydro, wind and solar electricity (gross) | 10,981.63 | 11,937.41 | 12,441.21 | 13,451.82 | 12,908.06 | 15,091.8 | 14,769.18 | 13,850.63 | 13,619.3 | 13,063.46 |
Understanding france primary energy production: nuclear
This series tracks the thermal energy output generated by nuclear reactors, measured in primary heat equivalents prior to its conversion into electricity. It captures the raw energy potential originating from nuclear fission within domestic facilities, differentiating it from fossil fuel extraction and renewable generation. The metric excludes secondary electricity distribution losses and focuses solely on the initial thermodynamic output produced within the reactor core.
Observers must account for planned reactor refueling outages, safety inspections, and unscheduled maintenance cycles that create sharp, intermittent drops in output. Initial monthly figures are frequently subject to retroactive adjustments as plant operators reconcile telemetry data. Analysts should rely on corresponding period comparisons from prior cycles to properly evaluate production capacity without interference from routine maintenance schedules.
Frequently asked questions
- How is nuclear production measured in this dataset?
- It is quantified using the primary heat equivalent generated by nuclear fission inside reactor cores, prior to electricity conversion.
- What causes sudden drops in this series during specific months?
- Planned reactor refueling outages, routine safety checks, and unexpected technical maintenance create sharp interruptions in thermal output.
- Are electricity distribution losses factored into these figures?
- No, the series measures thermal heat at the reactor level and excludes downstream distribution and conversion losses.