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Choose a market Portugal

Day-ahead market PT

Electricity prices · Portugal

September 21, 2026 Market time: CET/CEST · OMIE

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Currency unit

Energy unit

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.

Right now

27.65ct/kWh

19:45–20:00

Day average

13.88ct/kWh

96 / 96 intervals

Lowest price

0.15ct/kWh

12:30–12:45

Highest price

27.65ct/kWh

19:45–20:00

A clear view of the day

September 21, 2026 ct/kWh

Complete
Electricity prices · Portugal · September 21, 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 · 20.08 ct/kWh 00:15–00:30 · UTC+02:00 · 19.00 ct/kWh 00:30–00:45 · UTC+02:00 · 18.63 ct/kWh 00:45–01:00 · UTC+02:00 · 18.63 ct/kWh 01:00–01:15 · UTC+02:00 · 18.54 ct/kWh 01:15–01:30 · UTC+02:00 · 18.47 ct/kWh 01:30–01:45 · UTC+02:00 · 18.46 ct/kWh 01:45–02:00 · UTC+02:00 · 17.91 ct/kWh 02:00–02:15 · UTC+02:00 · 18.36 ct/kWh 02:15–02:30 · UTC+02:00 · 17.61 ct/kWh 02:30–02:45 · UTC+02:00 · 17.59 ct/kWh 02:45–03:00 · UTC+02:00 · 17.59 ct/kWh 03:00–03:15 · UTC+02:00 · 17.50 ct/kWh 03:15–03:30 · UTC+02:00 · 17.50 ct/kWh 03:30–03:45 · UTC+02:00 · 17.42 ct/kWh 03:45–04:00 · UTC+02:00 · 17.42 ct/kWh 04:00–04:15 · UTC+02:00 · 17.42 ct/kWh 04:15–04:30 · UTC+02:00 · 17.42 ct/kWh 04:30–04:45 · UTC+02:00 · 17.43 ct/kWh 04:45–05:00 · UTC+02:00 · 17.50 ct/kWh 05:00–05:15 · UTC+02:00 · 17.50 ct/kWh 05:15–05:30 · UTC+02:00 · 17.50 ct/kWh 05:30–05:45 · UTC+02:00 · 17.66 ct/kWh 05:45–06:00 · UTC+02:00 · 18.47 ct/kWh 06:00–06:15 · UTC+02:00 · 18.47 ct/kWh 06:15–06:30 · UTC+02:00 · 18.71 ct/kWh 06:30–06:45 · UTC+02:00 · 19.00 ct/kWh 06:45–07:00 · UTC+02:00 · 20.05 ct/kWh 07:00–07:15 · UTC+02:00 · 21.17 ct/kWh 07:15–07:30 · UTC+02:00 · 22.40 ct/kWh 07:30–07:45 · UTC+02:00 · 22.70 ct/kWh 07:45–08:00 · UTC+02:00 · 23.06 ct/kWh 08:00–08:15 · UTC+02:00 · 26.39 ct/kWh 08:15–08:30 · UTC+02:00 · 24.62 ct/kWh 08:30–08:45 · UTC+02:00 · 22.60 ct/kWh 08:45–09:00 · UTC+02:00 · 19.50 ct/kWh 09:00–09:15 · UTC+02:00 · 21.23 ct/kWh 09:15–09:30 · UTC+02:00 · 18.63 ct/kWh 09:30–09:45 · UTC+02:00 · 16.75 ct/kWh 09:45–10:00 · UTC+02:00 · 11.08 ct/kWh 10:00–10:15 · UTC+02:00 · 11.01 ct/kWh 10:15–10:30 · UTC+02:00 · 9.16 ct/kWh 10:30–10:45 · UTC+02:00 · 6.50 ct/kWh 10:45–11:00 · UTC+02:00 · 3.87 ct/kWh 11:00–11:15 · UTC+02:00 · 1.19 ct/kWh 11:15–11:30 · UTC+02:00 · 0.30 ct/kWh 11:30–11:45 · UTC+02:00 · 0.20 ct/kWh 11:45–12:00 · UTC+02:00 · 0.18 ct/kWh 12:00–12:15 · UTC+02:00 · 0.15 ct/kWh 12:15–12:30 · UTC+02:00 · 0.15 ct/kWh 12:30–12:45 · UTC+02:00 · 0.15 ct/kWh 12:45–13:00 · UTC+02:00 · 0.15 ct/kWh 13:00–13:15 · UTC+02:00 · 0.18 ct/kWh 13:15–13:30 · UTC+02:00 · 0.18 ct/kWh 13:30–13:45 · UTC+02:00 · 0.18 ct/kWh 13:45–14:00 · UTC+02:00 · 0.15 ct/kWh 14:00–14:15 · UTC+02:00 · 0.15 ct/kWh 14:15–14:30 · UTC+02:00 · 0.18 ct/kWh 14:30–14:45 · UTC+02:00 · 0.20 ct/kWh 14:45–15:00 · UTC+02:00 · 0.19 ct/kWh 15:00–15:15 · UTC+02:00 · 0.34 ct/kWh 15:15–15:30 · UTC+02:00 · 0.34 ct/kWh 15:30–15:45 · UTC+02:00 · 0.50 ct/kWh 15:45–16:00 · UTC+02:00 · 0.59 ct/kWh 16:00–16:15 · UTC+02:00 · 0.61 ct/kWh 16:15–16:30 · UTC+02:00 · 1.48 ct/kWh 16:30–16:45 · UTC+02:00 · 2.40 ct/kWh 16:45–17:00 · UTC+02:00 · 2.70 ct/kWh 17:00–17:15 · UTC+02:00 · 2.70 ct/kWh 17:15–17:30 · UTC+02:00 · 5.00 ct/kWh 17:30–17:45 · UTC+02:00 · 8.50 ct/kWh 17:45–18:00 · UTC+02:00 · 9.70 ct/kWh 18:00–18:15 · UTC+02:00 · 9.26 ct/kWh 18:15–18:30 · UTC+02:00 · 11.20 ct/kWh 18:30–18:45 · UTC+02:00 · 15.00 ct/kWh 18:45–19:00 · UTC+02:00 · 19.00 ct/kWh 19:00–19:15 · UTC+02:00 · 19.00 ct/kWh 19:15–19:30 · UTC+02:00 · 22.49 ct/kWh 19:30–19:45 · UTC+02:00 · 25.19 ct/kWh 19:45–20:00 · UTC+02:00 · 27.65 ct/kWh 20:00–20:15 · UTC+02:00 · 25.13 ct/kWh 20:15–20:30 · UTC+02:00 · 25.03 ct/kWh 20:30–20:45 · UTC+02:00 · 25.00 ct/kWh 20:45–21:00 · UTC+02:00 · 25.13 ct/kWh 21:00–21:15 · UTC+02:00 · 25.30 ct/kWh 21:15–21:30 · UTC+02:00 · 25.00 ct/kWh 21:30–21:45 · UTC+02:00 · 24.00 ct/kWh 21:45–22:00 · UTC+02:00 · 21.23 ct/kWh 22:00–22:15 · UTC+02:00 · 22.50 ct/kWh 22:15–22:30 · UTC+02:00 · 21.23 ct/kWh 22:30–22:45 · UTC+02:00 · 20.69 ct/kWh 22:45–23:00 · UTC+02:00 · 20.00 ct/kWh 23:00–23:15 · UTC+02:00 · 20.00 ct/kWh 23:15–23:30 · UTC+02:00 · 18.82 ct/kWh 23:30–23:45 · UTC+02:00 · 18.73 ct/kWh 23:45–24:00 · UTC+02:00 · 18.47 ct/kWh
Market priceLowest priceHighest price

Market time · CET/CEST · OMIE

96 / 96 intervals · 15-minute intervals Received Sep 21, 2026 2:20 AM (CET/CEST · OMIE)
All 96 price intervals
Electricity prices · Portugal · September 21, 2026 · CET/CEST · OMIE
Time intervalUTC offsetMarket price ct/kWh
UTC+02:0020.08
UTC+02:0019.00
UTC+02:0018.63
UTC+02:0018.63
UTC+02:0018.54
UTC+02:0018.47
UTC+02:0018.46
UTC+02:0017.91
UTC+02:0018.36
UTC+02:0017.61
UTC+02:0017.59
UTC+02:0017.59
UTC+02:0017.50
UTC+02:0017.50
UTC+02:0017.42
UTC+02:0017.42
UTC+02:0017.42
UTC+02:0017.42
UTC+02:0017.43
UTC+02:0017.50
UTC+02:0017.50
UTC+02:0017.50
UTC+02:0017.66
UTC+02:0018.47
UTC+02:0018.47
UTC+02:0018.71
UTC+02:0019.00
UTC+02:0020.05
UTC+02:0021.17
UTC+02:0022.40
UTC+02:0022.70
UTC+02:0023.06
UTC+02:0026.39
UTC+02:0024.62
UTC+02:0022.60
UTC+02:0019.50
UTC+02:0021.23
UTC+02:0018.63
UTC+02:0016.75
UTC+02:0011.08
UTC+02:0011.01
UTC+02:009.16
UTC+02:006.50
UTC+02:003.87
UTC+02:001.19
UTC+02:000.30
UTC+02:000.20
UTC+02:000.18
UTC+02:000.15
UTC+02:000.15
UTC+02:000.15
UTC+02:000.15
UTC+02:000.18
UTC+02:000.18
UTC+02:000.18
UTC+02:000.15
UTC+02:000.15
UTC+02:000.18
UTC+02:000.20
UTC+02:000.19
UTC+02:000.34
UTC+02:000.34
UTC+02:000.50
UTC+02:000.59
UTC+02:000.61
UTC+02:001.48
UTC+02:002.40
UTC+02:002.70
UTC+02:002.70
UTC+02:005.00
UTC+02:008.50
UTC+02:009.70
UTC+02:009.26
UTC+02:0011.20
UTC+02:0015.00
UTC+02:0019.00
UTC+02:0019.00
UTC+02:0022.49
UTC+02:0025.19
Now UTC+02:0027.65
UTC+02:0025.13
UTC+02:0025.03
UTC+02:0025.00
UTC+02:0025.13
UTC+02:0025.30
UTC+02:0025.00
UTC+02:0024.00
UTC+02:0021.23
UTC+02:0022.50
UTC+02:0021.23
UTC+02:0020.69
UTC+02:0020.00
UTC+02:0020.00
UTC+02:0018.82
UTC+02:0018.73
UTC+02:0018.47

Day-ahead market September 21, 2026

Daily price overview

For Portugal on September 21, 2026, the time-weighted day-ahead average is 13.88 ct/kWh.

The lowest interval is 0.15 ct/kWh at 12:30–12:45, while the highest is 27.65 ct/kWh at 19:45–20:00. The difference between the day’s low and high is 27.51 ct/kWh.

The lowest-cost continuous three-hour window runs from 11:45 to 14:45 and averages 0.17 ct/kWh. The highest-cost three-hour window is 19:15–22:15 at 24.47 ct/kWh, a difference of 24.30 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.

Flexible-use calculator

Find your next lower-cost window

Compare upcoming continuous periods for your planned electricity use.

Includes complete prices for today and tomorrow. · CET/CEST · OMIE

Starts at a future delivery-interval boundary. Assumes the entered kWh are used evenly over the selected duration. Only complete days with compatible prices are included.

Illustration only. It uses window-average wholesale prices and excludes supplier markup, network charges, taxes, fixed fees, efficiency losses and device power limits. It is not a final-bill saving estimate.

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Today in context

How today compares

Today’s complete day-ahead average is compared with earlier complete days in the same market and currency. Missing days are excluded, not counted as zero.

Yesterday

11.28 ct/kWh

Today: +2.60 ct/kWh (+23.1%)

Complete days: 1

Previous 7 days

13.24 ct/kWh

Today: +0.64 ct/kWh (+4.8%)

Complete days: 7

Previous 30 days

12.76 ct/kWh

Today: +1.12 ct/kWh (+8.8%)

Complete days: 30

Autumn 2025 average

6.57 ct/kWh

Today: +7.31 ct/kWh (+111.2%)

Complete days: 91

Today’s wholesale average is above its recent baseline.

The gap between today’s lowest and highest interval is wider than the previous 30-day norm, so timing flexible use matters more than usual.

7 of the previous 30 complete days included at least one negative-priced interval.

Seven- and 30-day baselines are averages of complete daily averages. The seasonal comparison uses the verified 2025 hourly-profile dataset.

Historical price intelligence · 2025

When electricity was usually cheaper or more expensive

Portugal hourly averages for 2025, based only on published complete days.

Lowest-cost recurring hour

14:00–15:00

2.97 ct/kWh

Highest-cost recurring hour

21:00–22:00

11.00 ct/kWh

Year average

6.62ct/kWh

2025

Data coverage

100.0%

Complete days: 365 / 365

Average price by hour

2025 ct/kWh

Average price by hour · 2025 Twenty-four bars show duration-weighted average prices by local delivery hour. Teal marks the six lower-cost hours and orange marks the six higher-cost hours. 00:00–01:00 · 8.03 ct/kWh 01:00–02:00 · 7.26 ct/kWh 02:00–03:00 · 6.87 ct/kWh 03:00–04:00 · 6.54 ct/kWh 04:00–05:00 · 6.41 ct/kWh 05:00–06:00 · 6.67 ct/kWh 06:00–07:00 · 7.43 ct/kWh 07:00–08:00 · 8.61 ct/kWh 08:00–09:00 · 8.42 ct/kWh 09:00–10:00 · 6.43 ct/kWh 10:00–11:00 · 4.67 ct/kWh 11:00–12:00 · 3.71 ct/kWh 12:00–13:00 · 3.34 ct/kWh 13:00–14:00 · 3.09 ct/kWh 14:00–15:00 · 2.97 ct/kWh 15:00–16:00 · 3.20 ct/kWh 16:00–17:00 · 3.86 ct/kWh 17:00–18:00 · 5.18 ct/kWh 18:00–19:00 · 6.92 ct/kWh 19:00–20:00 · 9.07 ct/kWh 20:00–21:00 · 10.56 ct/kWh 21:00–22:00 · 11.00 ct/kWh 22:00–23:00 · 9.96 ct/kWh 23:00–24:00 · 8.64 ct/kWh
Lower-cost hoursMiddle hoursHigher-cost hours

Market time · CET/CEST · OMIE

Historical price intelligence · 2025 Hourly price analysis When electricity was usually cheaper or more expensive

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
2025 profile coverage
365 / 365 complete days