Vantage Energies · European power statistics
Spain negative power price hours, September 2026
The number of hours with a day-ahead power price at or below zero in the Spain bidding zone (ES) in September 2026 was 31 hours, down 25 hours from August 2026 (56 hours).
31 hours · September 2026 · ENTSO-E Transparency Platform day-ahead prices (Nord Pool public data for the Nordic and Baltic zones), processed by Vantage Energies.
Published · Period to
Hours at or below 0 EUR/MWh, Spain, September 2026
31 hours
Key facts
- Bidding zone
- Spain (ES)
- Period
- 2026-09-01 to 2026-09-30
- Hours at or below 0 EUR/MWh
- 31
- Minimum hourly price
- -1.08 EUR/MWh
What was the number of negative-price hours in Spain in September 2026?
The number of hours with a day-ahead power price at or below zero in the Spain bidding zone (ES) in September 2026 was 31 hours, down 25 hours from August 2026 (56 hours). 31 hours · September 2026 · ENTSO-E Transparency Platform day-ahead prices (Nord Pool public data for the Nordic and Baltic zones), processed by Vantage Energies.
How does September 2026 compare with August 2026?
In Spain, September 2026 was down 25 hours from August 2026 (56 hours). Both figures are computed the same way on the same source, so the comparison is like for like.
How does Spain compare with other zones in September 2026?
Spain ranked 23rd of 25 published zones for the number of negative-price hours in in September 2026. The lowest value was Italy Centre-North at 0 hours; the highest was Germany at 40 hours.
| Zone | Negative price hours |
|---|---|
| Italy Centre-North | 0 hours |
| Italy Centre-South | 0 hours |
| Italy North | 0 hours |
| Italy Sardinia | 0 hours |
| Italy South | 0 hours |
| Latvia | 0 hours |
| Italy Calabria | 1 hour |
| Italy Sicily | 1 hour |
| Lithuania | 3 hours |
| Estonia | 8 hours |
| Finland | 8 hours |
| Norway NO2 | 10 hours |
| Austria | 11 hours |
| Hungary | 12 hours |
| Switzerland | 12 hours |
| Romania | 13 hours |
| Belgium | 15 hours |
| Czechia | 16 hours |
| Denmark West | 20 hours |
| Poland | 23 hours |
| Portugal | 25 hours |
| Netherlands | 28 hours |
| Spain | 31 hours |
| France | 37 hours |
| Germany | 40 hours |
How is this statistic computed?
Vantage Energies counts every hour from 2026-09-01 to 2026-09-30 in which the Spain (ES) day-ahead auction price, as published on the ENTSO-E Transparency Platform (Nord Pool public data for the Nordic and Baltic zones), was at or below 0 EUR/MWh, on CET/CEST wall-clock days. A month with no such hour is a true zero, not missing data.
How should this figure be cited?
Cite it as "Vantage Energies, Spain negative power price hours, September 2026, https://vantage-energies.com/stats/es-negative-hours-2026-09". The permalink is permanent: the number it shows is pinned to September 2026 and never changes meaning.
Source: Vantage Energies — vantage-energies.com · https://vantage-energies.com/stats/es-negative-hours-2026-09