Vantage Energies · European power statistics
Portugal negative power price hours, May 2026
The number of hours with a day-ahead power price at or below zero in the Portugal bidding zone (PT) in May 2026 was 113 hours, down 21 hours from April 2026 (134 hours).
113 hours · May 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, Portugal, May 2026
113 hours
Key facts
- Bidding zone
- Portugal (PT)
- Period
- 2026-05-01 to 2026-05-31
- Hours at or below 0 EUR/MWh
- 113
- Minimum hourly price
- -2.10 EUR/MWh
What was the number of negative-price hours in Portugal in May 2026?
The number of hours with a day-ahead power price at or below zero in the Portugal bidding zone (PT) in May 2026 was 113 hours, down 21 hours from April 2026 (134 hours). 113 hours · May 2026 · ENTSO-E Transparency Platform day-ahead prices (Nord Pool public data for the Nordic and Baltic zones), processed by Vantage Energies.
How does May 2026 compare with April 2026?
In Portugal, May 2026 was down 21 hours from April 2026 (134 hours). Both figures are computed the same way on the same source, so the comparison is like for like.
How does Portugal compare with other zones in May 2026?
Portugal ranked 23rd of 25 published zones for the number of negative-price hours in in May 2026. The lowest value was Norway NO2 at 10 hours; the highest was Spain at 124 hours.
| Zone | Negative price hours |
|---|---|
| Norway NO2 | 10 hours |
| Italy Centre-North | 13 hours |
| Italy North | 13 hours |
| Finland | 18 hours |
| Estonia | 19 hours |
| Latvia | 25 hours |
| Lithuania | 25 hours |
| Romania | 49 hours |
| Denmark West | 52 hours |
| Italy Centre-South | 57 hours |
| Hungary | 58 hours |
| Poland | 58 hours |
| Italy Sardinia | 61 hours |
| Switzerland | 62 hours |
| Belgium | 63 hours |
| Czechia | 68 hours |
| Austria | 72 hours |
| Netherlands | 75 hours |
| Germany | 83 hours |
| Italy Calabria | 83 hours |
| Italy Sicily | 83 hours |
| Italy South | 83 hours |
| Portugal | 113 hours |
| France | 124 hours |
| Spain | 124 hours |
How is this statistic computed?
Vantage Energies counts every hour from 2026-05-01 to 2026-05-31 in which the Portugal (PT) 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, Portugal negative power price hours, May 2026, https://vantage-energies.com/stats/pt-negative-hours-2026-05". The permalink is permanent: the number it shows is pinned to May 2026 and never changes meaning.
Source: Vantage Energies — vantage-energies.com · https://vantage-energies.com/stats/pt-negative-hours-2026-05