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Choose a market Portugal

Day-ahead market PT

Electricity prices · Portugal

December 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

8.50ct/kWh

96 / 96 intervals

Lowest price

2.60ct/kWh

13:45–14:00

Highest price

11.35ct/kWh

00:00–00:15

A clear view of the day

December 18, 2025 ct/kWh

Complete
Electricity prices · Portugal · December 18, 2025 Each bar represents one delivery interval. Negative prices appear below zero. All values are also available in the table. 00:00–00:15 · UTC+01:00 · 11.35 ct/kWh 00:15–00:30 · UTC+01:00 · 11.21 ct/kWh 00:30–00:45 · UTC+01:00 · 10.87 ct/kWh 00:45–01:00 · UTC+01:00 · 10.31 ct/kWh 01:00–01:15 · UTC+01:00 · 10.46 ct/kWh 01:15–01:30 · UTC+01:00 · 9.85 ct/kWh 01:30–01:45 · UTC+01:00 · 9.85 ct/kWh 01:45–02:00 · UTC+01:00 · 9.68 ct/kWh 02:00–02:15 · UTC+01:00 · 10.00 ct/kWh 02:15–02:30 · UTC+01:00 · 9.85 ct/kWh 02:30–02:45 · UTC+01:00 · 9.68 ct/kWh 02:45–03:00 · UTC+01:00 · 9.40 ct/kWh 03:00–03:15 · UTC+01:00 · 9.00 ct/kWh 03:15–03:30 · UTC+01:00 · 8.75 ct/kWh 03:30–03:45 · UTC+01:00 · 8.70 ct/kWh 03:45–04:00 · UTC+01:00 · 8.66 ct/kWh 04:00–04:15 · UTC+01:00 · 8.58 ct/kWh 04:15–04:30 · UTC+01:00 · 8.40 ct/kWh 04:30–04:45 · UTC+01:00 · 8.33 ct/kWh 04:45–05:00 · UTC+01:00 · 8.40 ct/kWh 05:00–05:15 · UTC+01:00 · 8.16 ct/kWh 05:15–05:30 · UTC+01:00 · 8.33 ct/kWh 05:30–05:45 · UTC+01:00 · 8.54 ct/kWh 05:45–06:00 · UTC+01:00 · 8.89 ct/kWh 06:00–06:15 · UTC+01:00 · 8.89 ct/kWh 06:15–06:30 · UTC+01:00 · 9.00 ct/kWh 06:30–06:45 · UTC+01:00 · 9.50 ct/kWh 06:45–07:00 · UTC+01:00 · 10.00 ct/kWh 07:00–07:15 · UTC+01:00 · 9.13 ct/kWh 07:15–07:30 · UTC+01:00 · 9.75 ct/kWh 07:30–07:45 · UTC+01:00 · 10.00 ct/kWh 07:45–08:00 · UTC+01:00 · 10.50 ct/kWh 08:00–08:15 · UTC+01:00 · 10.47 ct/kWh 08:15–08:30 · UTC+01:00 · 10.70 ct/kWh 08:30–08:45 · UTC+01:00 · 10.65 ct/kWh 08:45–09:00 · UTC+01:00 · 10.33 ct/kWh 09:00–09:15 · UTC+01:00 · 10.31 ct/kWh 09:15–09:30 · UTC+01:00 · 9.60 ct/kWh 09:30–09:45 · UTC+01:00 · 8.90 ct/kWh 09:45–10:00 · UTC+01:00 · 8.00 ct/kWh 10:00–10:15 · UTC+01:00 · 8.50 ct/kWh 10:15–10:30 · UTC+01:00 · 7.90 ct/kWh 10:30–10:45 · UTC+01:00 · 7.55 ct/kWh 10:45–11:00 · UTC+01:00 · 6.54 ct/kWh 11:00–11:15 · UTC+01:00 · 6.09 ct/kWh 11:15–11:30 · UTC+01:00 · 4.95 ct/kWh 11:30–11:45 · UTC+01:00 · 4.01 ct/kWh 11:45–12:00 · UTC+01:00 · 3.42 ct/kWh 12:00–12:15 · UTC+01:00 · 4.73 ct/kWh 12:15–12:30 · UTC+01:00 · 4.00 ct/kWh 12:30–12:45 · UTC+01:00 · 4.00 ct/kWh 12:45–13:00 · UTC+01:00 · 3.54 ct/kWh 13:00–13:15 · UTC+01:00 · 3.42 ct/kWh 13:15–13:30 · UTC+01:00 · 3.16 ct/kWh 13:30–13:45 · UTC+01:00 · 3.01 ct/kWh 13:45–14:00 · UTC+01:00 · 2.60 ct/kWh 14:00–14:15 · UTC+01:00 · 3.00 ct/kWh 14:15–14:30 · UTC+01:00 · 3.01 ct/kWh 14:30–14:45 · UTC+01:00 · 3.42 ct/kWh 14:45–15:00 · UTC+01:00 · 3.54 ct/kWh 15:00–15:15 · UTC+01:00 · 4.95 ct/kWh 15:15–15:30 · UTC+01:00 · 5.54 ct/kWh 15:30–15:45 · UTC+01:00 · 6.54 ct/kWh 15:45–16:00 · UTC+01:00 · 7.35 ct/kWh 16:00–16:15 · UTC+01:00 · 6.71 ct/kWh 16:15–16:30 · UTC+01:00 · 7.60 ct/kWh 16:30–16:45 · UTC+01:00 · 8.16 ct/kWh 16:45–17:00 · UTC+01:00 · 9.44 ct/kWh 17:00–17:15 · UTC+01:00 · 8.64 ct/kWh 17:15–17:30 · UTC+01:00 · 9.65 ct/kWh 17:30–17:45 · UTC+01:00 · 10.34 ct/kWh 17:45–18:00 · UTC+01:00 · 11.04 ct/kWh 18:00–18:15 · UTC+01:00 · 9.86 ct/kWh 18:15–18:30 · UTC+01:00 · 10.31 ct/kWh 18:30–18:45 · UTC+01:00 · 10.47 ct/kWh 18:45–19:00 · UTC+01:00 · 10.80 ct/kWh 19:00–19:15 · UTC+01:00 · 10.50 ct/kWh 19:15–19:30 · UTC+01:00 · 10.80 ct/kWh 19:30–19:45 · UTC+01:00 · 11.03 ct/kWh 19:45–20:00 · UTC+01:00 · 11.11 ct/kWh 20:00–20:15 · UTC+01:00 · 11.04 ct/kWh 20:15–20:30 · UTC+01:00 · 11.04 ct/kWh 20:30–20:45 · UTC+01:00 · 11.21 ct/kWh 20:45–21:00 · UTC+01:00 · 11.04 ct/kWh 21:00–21:15 · UTC+01:00 · 11.25 ct/kWh 21:15–21:30 · UTC+01:00 · 11.04 ct/kWh 21:30–21:45 · UTC+01:00 · 10.91 ct/kWh 21:45–22:00 · UTC+01:00 · 10.47 ct/kWh 22:00–22:15 · UTC+01:00 · 10.33 ct/kWh 22:15–22:30 · UTC+01:00 · 9.90 ct/kWh 22:30–22:45 · UTC+01:00 · 9.75 ct/kWh 22:45–23:00 · UTC+01:00 · 9.35 ct/kWh 23:00–23:15 · UTC+01:00 · 9.75 ct/kWh 23:15–23:30 · UTC+01:00 · 9.50 ct/kWh 23:30–23:45 · UTC+01:00 · 9.00 ct/kWh 23:45–24:00 · UTC+01:00 · 8.64 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 · December 18, 2025 · CET/CEST · OMIE
Time intervalUTC offsetMarket price ct/kWh
UTC+01:0011.35
UTC+01:0011.21
UTC+01:0010.87
UTC+01:0010.31
UTC+01:0010.46
UTC+01:009.85
UTC+01:009.85
UTC+01:009.68
UTC+01:0010.00
UTC+01:009.85
UTC+01:009.68
UTC+01:009.40
UTC+01:009.00
UTC+01:008.75
UTC+01:008.70
UTC+01:008.66
UTC+01:008.58
UTC+01:008.40
UTC+01:008.33
UTC+01:008.40
UTC+01:008.16
UTC+01:008.33
UTC+01:008.54
UTC+01:008.89
UTC+01:008.89
UTC+01:009.00
UTC+01:009.50
UTC+01:0010.00
UTC+01:009.13
UTC+01:009.75
UTC+01:0010.00
UTC+01:0010.50
UTC+01:0010.47
UTC+01:0010.70
UTC+01:0010.65
UTC+01:0010.33
UTC+01:0010.31
UTC+01:009.60
UTC+01:008.90
UTC+01:008.00
UTC+01:008.50
UTC+01:007.90
UTC+01:007.55
UTC+01:006.54
UTC+01:006.09
UTC+01:004.95
UTC+01:004.01
UTC+01:003.42
UTC+01:004.73
UTC+01:004.00
UTC+01:004.00
UTC+01:003.54
UTC+01:003.42
UTC+01:003.16
UTC+01:003.01
UTC+01:002.60
UTC+01:003.00
UTC+01:003.01
UTC+01:003.42
UTC+01:003.54
UTC+01:004.95
UTC+01:005.54
UTC+01:006.54
UTC+01:007.35
UTC+01:006.71
UTC+01:007.60
UTC+01:008.16
UTC+01:009.44
UTC+01:008.64
UTC+01:009.65
UTC+01:0010.34
UTC+01:0011.04
UTC+01:009.86
UTC+01:0010.31
UTC+01:0010.47
UTC+01:0010.80
UTC+01:0010.50
UTC+01:0010.80
UTC+01:0011.03
UTC+01:0011.11
UTC+01:0011.04
UTC+01:0011.04
UTC+01:0011.21
UTC+01:0011.04
UTC+01:0011.25
UTC+01:0011.04
UTC+01:0010.91
UTC+01:0010.47
UTC+01:0010.33
UTC+01:009.90
UTC+01:009.75
UTC+01:009.35
UTC+01:009.75
UTC+01:009.50
UTC+01:009.00
UTC+01:008.64

Day-ahead market December 18, 2025

Daily price overview

For Portugal on December 18, 2025, the time-weighted day-ahead average is 8.50 ct/kWh.

The lowest interval is 2.60 ct/kWh at 13:45–14:00, while the highest is 11.35 ct/kWh at 00:00–00:15. The difference between the day’s low and high is 8.75 ct/kWh.

The lowest-cost continuous three-hour window runs from 11:45 to 14:45 and averages 3.44 ct/kWh. The highest-cost three-hour window is 18:45–21:45 at 10.98 ct/kWh, a difference of 7.54 ct/kWh in the wholesale component. For market-linked plans, these are useful periods to inspect when scheduling flexible consumption.

No delivery interval is priced below zero on this day.

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