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Choose a market Portugal

Day-ahead market PT

Electricity prices · Portugal

May 18, 2025 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

1.19ct/kWh

24 / 24 intervals

Lowest price

-0.10ct/kWh

16:00–17:00

Highest price

4.07ct/kWh

22:00–23:00

A clear view of the day

May 18, 2025 ct/kWh

Complete
Electricity prices · Portugal · May 18, 2025 Each bar represents one delivery interval. Negative prices appear below zero. All values are also available in the table. 00:00–01:00 · UTC+02:00 · 3.70 ct/kWh 01:00–02:00 · UTC+02:00 · 2.17 ct/kWh 02:00–03:00 · UTC+02:00 · 1.55 ct/kWh 03:00–04:00 · UTC+02:00 · 1.50 ct/kWh 04:00–05:00 · UTC+02:00 · 1.39 ct/kWh 05:00–06:00 · UTC+02:00 · 1.58 ct/kWh 06:00–07:00 · UTC+02:00 · 1.45 ct/kWh 07:00–08:00 · UTC+02:00 · 0.90 ct/kWh 08:00–09:00 · UTC+02:00 · 0.0010 ct/kWh 09:00–10:00 · UTC+02:00 · 0.56 ct/kWh 10:00–11:00 · UTC+02:00 · 0.56 ct/kWh 11:00–12:00 · UTC+02:00 · 0.54 ct/kWh 12:00–13:00 · UTC+02:00 · 0.50 ct/kWh 13:00–14:00 · UTC+02:00 · 0.43 ct/kWh 14:00–15:00 · UTC+02:00 · 0.00 ct/kWh 15:00–16:00 · UTC+02:00 · -0.0020 ct/kWh 16:00–17:00 · UTC+02:00 · -0.10 ct/kWh 17:00–18:00 · UTC+02:00 · -0.0020 ct/kWh 18:00–19:00 · UTC+02:00 · -0.0010 ct/kWh 19:00–20:00 · UTC+02:00 · 0.03 ct/kWh 20:00–21:00 · UTC+02:00 · 0.74 ct/kWh 21:00–22:00 · UTC+02:00 · 3.70 ct/kWh 22:00–23:00 · UTC+02:00 · 4.07 ct/kWh 23:00–24:00 · UTC+02:00 · 3.40 ct/kWh
Market priceLowest priceHighest price

Market time · CET/CEST · OMIE

24 / 24 intervals · 60-minute intervals Received Aug 26, 2026 2:01 PM (CET/CEST · OMIE)
All 24 price intervals
Electricity prices · Portugal · May 18, 2025 · CET/CEST · OMIE
Time intervalUTC offsetMarket price ct/kWh
UTC+02:003.70
UTC+02:002.17
UTC+02:001.55
UTC+02:001.50
UTC+02:001.39
UTC+02:001.58
UTC+02:001.45
UTC+02:000.90
UTC+02:000.0010
UTC+02:000.56
UTC+02:000.56
UTC+02:000.54
UTC+02:000.50
UTC+02:000.43
UTC+02:000.00
UTC+02:00-0.0020
UTC+02:00-0.10
UTC+02:00-0.0020
UTC+02:00-0.0010
UTC+02:000.03
UTC+02:000.74
UTC+02:003.70
UTC+02:004.07
UTC+02:003.40

Day-ahead market May 18, 2025

Daily price overview

For Portugal on May 18, 2025, the time-weighted day-ahead average is 1.19 ct/kWh.

The lowest interval is -0.10 ct/kWh at 16:00–17:00, while the highest is 4.07 ct/kWh at 22:00–23:00. The difference between the day’s low and high is 4.17 ct/kWh.

The lowest-cost continuous three-hour window runs from 15:00 to 18:00 and averages -0.03 ct/kWh. The highest-cost three-hour window is 21:00–24:00 at 3.72 ct/kWh, a difference of 3.76 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 4 h 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
60 minutes
Published history from
2015-01-01