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Choose a market Portugal

Day-ahead market PT

Electricity prices · Portugal

May 31, 2026 Market time: CET/CEST · OMIE

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Market price only. Supplier fees, network charges and taxes are not included.

OMIE publishes Portugal’s day-ahead periods in CET/CEST. The clock labels on this page follow that market convention and are one hour ahead of mainland Portugal civil time.

Day average

4.45ct/kWh

96 / 96 intervals

Lowest price

-0.05ct/kWh

15:15–15:30

Highest price

10.47ct/kWh

00:00–00:15

A clear view of the day

May 31, 2026 ct/kWh

Complete
Electricity prices · Portugal · May 31, 2026 Each bar represents one delivery interval. Negative prices appear below zero. All values are also available in the table. 00:00–00:15 · UTC+02:00 · 10.47 ct/kWh 00:15–00:30 · UTC+02:00 · 10.07 ct/kWh 00:30–00:45 · UTC+02:00 · 9.99 ct/kWh 00:45–01:00 · UTC+02:00 · 9.67 ct/kWh 01:00–01:15 · UTC+02:00 · 9.99 ct/kWh 01:15–01:30 · UTC+02:00 · 9.40 ct/kWh 01:30–01:45 · UTC+02:00 · 9.38 ct/kWh 01:45–02:00 · UTC+02:00 · 8.59 ct/kWh 02:00–02:15 · UTC+02:00 · 8.56 ct/kWh 02:15–02:30 · UTC+02:00 · 8.00 ct/kWh 02:30–02:45 · UTC+02:00 · 8.20 ct/kWh 02:45–03:00 · UTC+02:00 · 7.31 ct/kWh 03:00–03:15 · UTC+02:00 · 8.55 ct/kWh 03:15–03:30 · UTC+02:00 · 8.53 ct/kWh 03:30–03:45 · UTC+02:00 · 8.19 ct/kWh 03:45–04:00 · UTC+02:00 · 7.93 ct/kWh 04:00–04:15 · UTC+02:00 · 7.31 ct/kWh 04:15–04:30 · UTC+02:00 · 7.31 ct/kWh 04:30–04:45 · UTC+02:00 · 7.29 ct/kWh 04:45–05:00 · UTC+02:00 · 7.29 ct/kWh 05:00–05:15 · UTC+02:00 · 7.29 ct/kWh 05:15–05:30 · UTC+02:00 · 7.29 ct/kWh 05:30–05:45 · UTC+02:00 · 7.29 ct/kWh 05:45–06:00 · UTC+02:00 · 7.29 ct/kWh 06:00–06:15 · UTC+02:00 · 8.00 ct/kWh 06:15–06:30 · UTC+02:00 · 8.00 ct/kWh 06:30–06:45 · UTC+02:00 · 8.23 ct/kWh 06:45–07:00 · UTC+02:00 · 8.00 ct/kWh 07:00–07:15 · UTC+02:00 · 8.56 ct/kWh 07:15–07:30 · UTC+02:00 · 7.50 ct/kWh 07:30–07:45 · UTC+02:00 · 6.35 ct/kWh 07:45–08:00 · UTC+02:00 · 5.00 ct/kWh 08:00–08:15 · UTC+02:00 · 4.34 ct/kWh 08:15–08:30 · UTC+02:00 · 2.71 ct/kWh 08:30–08:45 · UTC+02:00 · 1.09 ct/kWh 08:45–09:00 · UTC+02:00 · 0.10 ct/kWh 09:00–09:15 · UTC+02:00 · 0.82 ct/kWh 09:15–09:30 · UTC+02:00 · 0.08 ct/kWh 09:30–09:45 · UTC+02:00 · 0.00 ct/kWh 09:45–10:00 · UTC+02:00 · 0.00 ct/kWh 10:00–10:15 · UTC+02:00 · 0.00 ct/kWh 10:15–10:30 · UTC+02:00 · 0.00 ct/kWh 10:30–10:45 · UTC+02:00 · 0.00 ct/kWh 10:45–11:00 · UTC+02:00 · 0.00 ct/kWh 11:00–11:15 · UTC+02:00 · 0.00 ct/kWh 11:15–11:30 · UTC+02:00 · 0.00 ct/kWh 11:30–11:45 · UTC+02:00 · 0.00 ct/kWh 11:45–12:00 · UTC+02:00 · -0.0010 ct/kWh 12:00–12:15 · UTC+02:00 · -0.0010 ct/kWh 12:15–12:30 · UTC+02:00 · -0.0010 ct/kWh 12:30–12:45 · UTC+02:00 · -0.0010 ct/kWh 12:45–13:00 · UTC+02:00 · -0.0010 ct/kWh 13:00–13:15 · UTC+02:00 · -0.0010 ct/kWh 13:15–13:30 · UTC+02:00 · -0.0010 ct/kWh 13:30–13:45 · UTC+02:00 · -0.0010 ct/kWh 13:45–14:00 · UTC+02:00 · -0.0010 ct/kWh 14:00–14:15 · UTC+02:00 · -0.0010 ct/kWh 14:15–14:30 · UTC+02:00 · -0.0010 ct/kWh 14:30–14:45 · UTC+02:00 · -0.0010 ct/kWh 14:45–15:00 · UTC+02:00 · -0.0050 ct/kWh 15:00–15:15 · UTC+02:00 · -0.03 ct/kWh 15:15–15:30 · UTC+02:00 · -0.05 ct/kWh 15:30–15:45 · UTC+02:00 · -0.03 ct/kWh 15:45–16:00 · UTC+02:00 · -0.03 ct/kWh 16:00–16:15 · UTC+02:00 · -0.0050 ct/kWh 16:15–16:30 · UTC+02:00 · -0.0010 ct/kWh 16:30–16:45 · UTC+02:00 · -0.0010 ct/kWh 16:45–17:00 · UTC+02:00 · -0.0010 ct/kWh 17:00–17:15 · UTC+02:00 · -0.0010 ct/kWh 17:15–17:30 · UTC+02:00 · -0.0010 ct/kWh 17:30–17:45 · UTC+02:00 · 0.00 ct/kWh 17:45–18:00 · UTC+02:00 · 0.00 ct/kWh 18:00–18:15 · UTC+02:00 · 0.0010 ct/kWh 18:15–18:30 · UTC+02:00 · 0.08 ct/kWh 18:30–18:45 · UTC+02:00 · 0.16 ct/kWh 18:45–19:00 · UTC+02:00 · 1.31 ct/kWh 19:00–19:15 · UTC+02:00 · 0.56 ct/kWh 19:15–19:30 · UTC+02:00 · 2.45 ct/kWh 19:30–19:45 · UTC+02:00 · 4.11 ct/kWh 19:45–20:00 · UTC+02:00 · 5.65 ct/kWh 20:00–20:15 · UTC+02:00 · 3.99 ct/kWh 20:15–20:30 · UTC+02:00 · 6.32 ct/kWh 20:30–20:45 · UTC+02:00 · 7.29 ct/kWh 20:45–21:00 · UTC+02:00 · 8.59 ct/kWh 21:00–21:15 · UTC+02:00 · 9.50 ct/kWh 21:15–21:30 · UTC+02:00 · 9.99 ct/kWh 21:30–21:45 · UTC+02:00 · 10.02 ct/kWh 21:45–22:00 · UTC+02:00 · 10.04 ct/kWh 22:00–22:15 · UTC+02:00 · 10.07 ct/kWh 22:15–22:30 · UTC+02:00 · 10.08 ct/kWh 22:30–22:45 · UTC+02:00 · 10.47 ct/kWh 22:45–23:00 · UTC+02:00 · 10.04 ct/kWh 23:00–23:15 · UTC+02:00 · 9.83 ct/kWh 23:15–23:30 · UTC+02:00 · 8.98 ct/kWh 23:30–23:45 · UTC+02:00 · 9.26 ct/kWh 23:45–24:00 · UTC+02:00 · 8.53 ct/kWh
Market priceLowest priceHighest price

Market time · CET/CEST · OMIE

96 / 96 intervals · 15-minute intervals Received Aug 26, 2026 2:02 PM (CET/CEST · OMIE)
All 96 price intervals
Electricity prices · Portugal · May 31, 2026 · CET/CEST · OMIE
Time intervalUTC offsetMarket price ct/kWh
UTC+02:0010.47
UTC+02:0010.07
UTC+02:009.99
UTC+02:009.67
UTC+02:009.99
UTC+02:009.40
UTC+02:009.38
UTC+02:008.59
UTC+02:008.56
UTC+02:008.00
UTC+02:008.20
UTC+02:007.31
UTC+02:008.55
UTC+02:008.53
UTC+02:008.19
UTC+02:007.93
UTC+02:007.31
UTC+02:007.31
UTC+02:007.29
UTC+02:007.29
UTC+02:007.29
UTC+02:007.29
UTC+02:007.29
UTC+02:007.29
UTC+02:008.00
UTC+02:008.00
UTC+02:008.23
UTC+02:008.00
UTC+02:008.56
UTC+02:007.50
UTC+02:006.35
UTC+02:005.00
UTC+02:004.34
UTC+02:002.71
UTC+02:001.09
UTC+02:000.10
UTC+02:000.82
UTC+02:000.08
UTC+02:000.00
UTC+02:000.00
UTC+02:000.00
UTC+02:000.00
UTC+02:000.00
UTC+02:000.00
UTC+02:000.00
UTC+02:000.00
UTC+02:000.00
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0050
UTC+02:00-0.03
UTC+02:00-0.05
UTC+02:00-0.03
UTC+02:00-0.03
UTC+02:00-0.0050
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:00-0.0010
UTC+02:000.00
UTC+02:000.00
UTC+02:000.0010
UTC+02:000.08
UTC+02:000.16
UTC+02:001.31
UTC+02:000.56
UTC+02:002.45
UTC+02:004.11
UTC+02:005.65
UTC+02:003.99
UTC+02:006.32
UTC+02:007.29
UTC+02:008.59
UTC+02:009.50
UTC+02:009.99
UTC+02:0010.02
UTC+02:0010.04
UTC+02:0010.07
UTC+02:0010.08
UTC+02:0010.47
UTC+02:0010.04
UTC+02:009.83
UTC+02:008.98
UTC+02:009.26
UTC+02:008.53

Day-ahead market May 31, 2026

Daily price overview

For Portugal on May 31, 2026, the time-weighted day-ahead average is 4.45 ct/kWh.

The lowest interval is -0.05 ct/kWh at 15:15–15:30, while the highest is 10.47 ct/kWh at 00:00–00:15. The difference between the day’s low and high is 10.52 ct/kWh.

The lowest-cost continuous three-hour window runs from 13:15 to 16:15 and averages -0.01 ct/kWh. The highest-cost three-hour window is 20:45–23:45 at 9.74 ct/kWh, a difference of 9.75 ct/kWh in the wholesale component. For market-linked plans, these are useful periods to inspect when scheduling flexible consumption.

Wholesale prices are below zero for 5 h 45 min in total. Supplier charges, network fees and taxes can still keep the final customer price positive.

Price history

Averages are weighted by interval duration, not row count. Original hourly and 15-minute prices are retained. All times are local to the market.

How prices work

Wholesale day-ahead prices from official market sources, shown in the market’s local time. Original intervals and negative prices are retained.

EUR/MWh ÷ 10 = ct/kWh. The average is weighted by interval duration. Negative prices and daylight-saving changes are preserved.

ENTSO-E Transparency Platform ↗

Market and data profile

Your supplier’s markup, network charges, taxes and fixed fees depend on your contract. Use this page to understand the market component, not as a quote for your household tariff.

Exchange
OMIE
Bidding zone
PT · 10YPT-REN------W
Local timezone
CET/CEST · OMIE
Price resolution
15 minutes
Published history from
2015-01-01