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Data as of 2026-10-28
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Built 2026-10-28 (28 October 2026)

Greece Negative Electricity Prices and Spikes, 2026

Day-ahead electricity prices in Greece were below zero for 508 hours (7.1% of hours) on 100 days in 2026 up to 2026-10-28 (28 October 2026). The lowest interval price was EUR -50.00/MWh on 2026-04-05 (5 April 2026) and the highest EUR 519.29/MWh on 2026-06-30 (30 June 2026). Prices are day-ahead, in EUR per MWh as published, and are not converted.

Key Facts

  • Day-ahead electricity prices in Greece were below zero for 508 hours (7.1% of hours) on 100 days in 2026 up to 2026-10-28 (28 October 2026). The lowest interval price was EUR -50.00/MWh on 2026-04-05 (5 April 2026) and the highest EUR 519.29/MWh on 2026-06-30 (30 June 2026).
  • The longest streak of consecutive days with a price below zero in Greece in 2026 was 12 days, from 2026-09-27 (27 September 2026) to 2026-10-08 (8 October 2026).
  • In October 2026 up to 2026-10-28 (28 October 2026), Greece had 72.25 hours below zero on 11 days.
  • Since 2025-09-24 (24 September 2025), the lowest price in Greece was EUR -50.00/MWh on 2026-04-05 (5 April 2026) and the highest EUR 561.15/MWh on 2025-10-14 (14 October 2025).

Hours Below Zero

Delivery days to 2026-10-28, local time
October 2026 to date72.25 hours
2026 to date508 hours
Share of hours, 20267.1%
Days below zero, 2026100 days
Greece negative prices and price extremes by period
PeriodDays with dataHours below zeroShare of hoursDays below zeroLongest streak of days
October 2026 to date 28 72.25 hours 10.8% 11 8 days (2026-10-01 to 2026-10-08)
2026 to date 299 508 hours 7.1% 100 12 days (2026-09-27 to 2026-10-08)
Since 2025-09-24 397 530 hours 5.6% 105 12 days (2026-09-27 to 2026-10-08)

Hours are time weighted, so 15 minute and 60 minute intervals count alike. Share of hours divides by 24 times the days with data, so it is approximate on clock change days. A streak is consecutive local days each with at least one interval below zero, not a continuous run of hours.

Source: ENTSO-E Transparency Platform (transparency.entsoe.eu), CC BY 4.0. Aggregated and converted by World Power Monitor; ENTSO-E does not endorse this site. (ENTSO-E Terms of Use plus CC BY 4.0 for listed data items) Data as of 2026-10-28. Computed by World Power Monitor from the day-ahead price statistics of each local delivery day.

Lowest and Highest Prices

EUR/MWh, single market interval
Greece lowest and highest day-ahead price by period, with delivery day
PeriodLowest priceDelivery dayHighest priceDelivery day
October 2026 to date EUR -23.00/MWh 2026-10-04 (4 October 2026) EUR 406.48/MWh 2026-10-20 (20 October 2026)
2026 to date EUR -50.00/MWh 2026-04-05 (5 April 2026) EUR 519.29/MWh 2026-06-30 (30 June 2026)
Since 2025-09-24 EUR -50.00/MWh 2026-04-05 (5 April 2026) EUR 561.15/MWh 2025-10-14 (14 October 2025)

The lowest and highest prices are single market intervals of 15 or 60 minutes, not daily averages. The delivery day is the local day the interval belongs to.

Source: ENTSO-E Transparency Platform (transparency.entsoe.eu), CC BY 4.0. Aggregated and converted by World Power Monitor; ENTSO-E does not endorse this site. (ENTSO-E Terms of Use plus CC BY 4.0 for listed data items) Data as of 2026-10-28.

Hours Below Zero Each Day

Local delivery days, 2025-09-24 to 2026-10-28
Greece hours below zero per delivery day, 2025-09-24 to 2026-10-28 Hours per local delivery day in Greece with a day-ahead price below zero, from 2025-09-24 (24 September 2025) to 2026-10-28 (28 October 2026). The zone had 530 hours below zero over 397 days with data. 0 3 5 8 10 Sep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026
Hours per local delivery day in Greece with a day-ahead price below zero, from 2025-09-24 (24 September 2025) to 2026-10-28 (28 October 2026). The zone had 530 hours below zero over 397 days with data.
Daily hours through 2026-10-28
Show the data table (400 rows)
Delivery day (local)Hours below zero
2025-09-240 hours
2025-09-250 hours
2025-09-260 hours
2025-09-270 hours
2025-09-280 hours
2025-09-290 hours
2025-09-300 hours
2025-10-01n/a
2025-10-020 hours
2025-10-030 hours
2025-10-040 hours
2025-10-056.5 hours
2025-10-060 hours
2025-10-070 hours
2025-10-080 hours
2025-10-090 hours
2025-10-100 hours
2025-10-113.75 hours
2025-10-124.25 hours
2025-10-130 hours
2025-10-140 hours
2025-10-150 hours
2025-10-160 hours
2025-10-170 hours
2025-10-180 hours
2025-10-190 hours
2025-10-200 hours
2025-10-210 hours
2025-10-220 hours
2025-10-230 hours
2025-10-241.5 hours
2025-10-250 hours
2025-10-260 hours
2025-10-270 hours
2025-10-280 hours
2025-10-290 hours
2025-10-300 hours
2025-10-310 hours
2025-11-010 hours
2025-11-020 hours
2025-11-030 hours
2025-11-040 hours
2025-11-050 hours
2025-11-060 hours
2025-11-070 hours
2025-11-080 hours
2025-11-090 hours
2025-11-100 hours
2025-11-110 hours
2025-11-120 hours
2025-11-130 hours
2025-11-140 hours
2025-11-150 hours
2025-11-160 hours
2025-11-170 hours
2025-11-180 hours
2025-11-190 hours
2025-11-200 hours
2025-11-210 hours
2025-11-220 hours
2025-11-236 hours
2025-11-240 hours
2025-11-250 hours
2025-11-260 hours
2025-11-270 hours
2025-11-280 hours
2025-11-290 hours
2025-11-300 hours
2025-12-010 hours
2025-12-020 hours
2025-12-030 hours
2025-12-040 hours
2025-12-050 hours
2025-12-060 hours
2025-12-070 hours
2025-12-080 hours
2025-12-090 hours
2025-12-100 hours
2025-12-110 hours
2025-12-120 hours
2025-12-130 hours
2025-12-140 hours
2025-12-150 hours
2025-12-160 hours
2025-12-170 hours
2025-12-180 hours
2025-12-190 hours
2025-12-200 hours
2025-12-210 hours
2025-12-220 hours
2025-12-230 hours
2025-12-240 hours
2025-12-250 hours
2025-12-260 hours
2025-12-270 hours
2025-12-280 hours
2025-12-290 hours
2025-12-300 hours
2025-12-310 hours
2026-01-010 hours
2026-01-020 hours
2026-01-030 hours
2026-01-040 hours
2026-01-050 hours
2026-01-060 hours
2026-01-070 hours
2026-01-080 hours
2026-01-090 hours
2026-01-100 hours
2026-01-110 hours
2026-01-120 hours
2026-01-130 hours
2026-01-140 hours
2026-01-150 hours
2026-01-160 hours
2026-01-170 hours
2026-01-180 hours
2026-01-190 hours
2026-01-200 hours
2026-01-210 hours
2026-01-220 hours
2026-01-230 hours
2026-01-240 hours
2026-01-250 hours
2026-01-260 hours
2026-01-270 hours
2026-01-280 hours
2026-01-290 hours
2026-01-300 hours
2026-01-310 hours
2026-02-010 hours
2026-02-020 hours
2026-02-030 hours
2026-02-040 hours
2026-02-050 hours
2026-02-060 hours
2026-02-071.75 hours
2026-02-080 hours
2026-02-090 hours
2026-02-100 hours
2026-02-110 hours
2026-02-120 hours
2026-02-130 hours
2026-02-140 hours
2026-02-152 hours
2026-02-160 hours
2026-02-170 hours
2026-02-185 hours
2026-02-192.25 hours
2026-02-200 hours
2026-02-210 hours
2026-02-221 hour
2026-02-237 hours
2026-02-240 hours
2026-02-250 hours
2026-02-260.5 hours
2026-02-270 hours
2026-02-282.25 hours
2026-03-015.75 hours
2026-03-020 hours
2026-03-030 hours
2026-03-040 hours
2026-03-050 hours
2026-03-060 hours
2026-03-072.75 hours
2026-03-082 hours
2026-03-092.25 hours
2026-03-100 hours
2026-03-110 hours
2026-03-120 hours
2026-03-131 hour
2026-03-145.75 hours
2026-03-155.25 hours
2026-03-160 hours
2026-03-170 hours
2026-03-180 hours
2026-03-190 hours
2026-03-200 hours
2026-03-210 hours
2026-03-220 hours
2026-03-230 hours
2026-03-240 hours
2026-03-250 hours
2026-03-260 hours
2026-03-270 hours
2026-03-280 hours
2026-03-290 hours
2026-03-300 hours
2026-03-310 hours
2026-04-010 hours
2026-04-020 hours
2026-04-030 hours
2026-04-040 hours
2026-04-058.25 hours
2026-04-066.75 hours
2026-04-074.75 hours
2026-04-086.25 hours
2026-04-092.25 hours
2026-04-105.5 hours
2026-04-110 hours
2026-04-124.75 hours
2026-04-130 hours
2026-04-140 hours
2026-04-150 hours
2026-04-160 hours
2026-04-176.25 hours
2026-04-188 hours
2026-04-197.75 hours
2026-04-201.25 hours
2026-04-210.75 hours
2026-04-220 hours
2026-04-230 hours
2026-04-247.25 hours
2026-04-258.25 hours
2026-04-268.5 hours
2026-04-276 hours
2026-04-286 hours
2026-04-291.25 hours
2026-04-300 hours
2026-05-010 hours
2026-05-026.5 hours
2026-05-035.25 hours
2026-05-043.25 hours
2026-05-050.5 hours
2026-05-060 hours
2026-05-070 hours
2026-05-080 hours
2026-05-090 hours
2026-05-103 hours
2026-05-110 hours
2026-05-126.25 hours
2026-05-130 hours
2026-05-140 hours
2026-05-150 hours
2026-05-160 hours
2026-05-177.25 hours
2026-05-180 hours
2026-05-190 hours
2026-05-202.5 hours
2026-05-210.5 hours
2026-05-220 hours
2026-05-236.75 hours
2026-05-249 hours
2026-05-251.5 hours
2026-05-260.5 hours
2026-05-271.75 hours
2026-05-280 hours
2026-05-290.25 hours
2026-05-305.25 hours
2026-05-313.5 hours
2026-06-010 hours
2026-06-020 hours
2026-06-030 hours
2026-06-040 hours
2026-06-050 hours
2026-06-060 hours
2026-06-079 hours
2026-06-083.5 hours
2026-06-091.25 hours
2026-06-101.5 hours
2026-06-110 hours
2026-06-120 hours
2026-06-139 hours
2026-06-149.75 hours
2026-06-150 hours
2026-06-160 hours
2026-06-170 hours
2026-06-187.75 hours
2026-06-197.25 hours
2026-06-208.5 hours
2026-06-219.5 hours
2026-06-225.5 hours
2026-06-230 hours
2026-06-240 hours
2026-06-250 hours
2026-06-261.75 hours
2026-06-277.75 hours
2026-06-289.75 hours
2026-06-295.25 hours
2026-06-300 hours
2026-07-010 hours
2026-07-020 hours
2026-07-030 hours
2026-07-041 hour
2026-07-057.75 hours
2026-07-060 hours
2026-07-070 hours
2026-07-080 hours
2026-07-090 hours
2026-07-100 hours
2026-07-110 hours
2026-07-121.75 hours
2026-07-130 hours
2026-07-140 hours
2026-07-150 hours
2026-07-160 hours
2026-07-170 hours
2026-07-180 hours
2026-07-190 hours
2026-07-200 hours
2026-07-210 hours
2026-07-220 hours
2026-07-230 hours
2026-07-240 hours
2026-07-257.75 hours
2026-07-266.75 hours
2026-07-270 hours
2026-07-280 hours
2026-07-290.5 hours
2026-07-307.25 hours
2026-07-316.5 hours
2026-08-018 hours
2026-08-027.75 hours
2026-08-030 hours
2026-08-040 hours
2026-08-050 hours
2026-08-061.75 hours
2026-08-070 hours
2026-08-080 hours
2026-08-092.5 hours
2026-08-100 hours
2026-08-110 hours
2026-08-126.75 hours
2026-08-133.75 hours
2026-08-140.25 hours
2026-08-158 hours
2026-08-168 hours
2026-08-170 hours
2026-08-180 hours
2026-08-190 hours
2026-08-200 hours
2026-08-210 hours
2026-08-220 hours
2026-08-230 hours
2026-08-240 hours
2026-08-250 hours
2026-08-260 hours
2026-08-270 hours
2026-08-280 hours
2026-08-290 hours
2026-08-300 hours
2026-08-310 hours
2026-09-010 hours
2026-09-020 hours
2026-09-030 hours
2026-09-040 hours
2026-09-050 hours
2026-09-060 hours
2026-09-070 hours
2026-09-080 hours
2026-09-090 hours
2026-09-100 hours
2026-09-110 hours
2026-09-120 hours
2026-09-13n/a
2026-09-14n/a
2026-09-150 hours
2026-09-160 hours
2026-09-174.5 hours
2026-09-180 hours
2026-09-190 hours
2026-09-205.75 hours
2026-09-210 hours
2026-09-220 hours
2026-09-235.5 hours
2026-09-240 hours
2026-09-250 hours
2026-09-260 hours
2026-09-278 hours
2026-09-286.75 hours
2026-09-297.5 hours
2026-09-305 hours
2026-10-018 hours
2026-10-027.75 hours
2026-10-039 hours
2026-10-049 hours
2026-10-057.75 hours
2026-10-067.5 hours
2026-10-076.75 hours
2026-10-083.5 hours
2026-10-090 hours
2026-10-100 hours
2026-10-110 hours
2026-10-120 hours
2026-10-130 hours
2026-10-140 hours
2026-10-156.5 hours
2026-10-160 hours
2026-10-175 hours
2026-10-181.5 hours
2026-10-190 hours
2026-10-200 hours
2026-10-210 hours
2026-10-220 hours
2026-10-230 hours
2026-10-240 hours
2026-10-250 hours
2026-10-260 hours
2026-10-270 hours
2026-10-280 hours

Source: ENTSO-E Transparency Platform (transparency.entsoe.eu), CC BY 4.0. Aggregated and converted by World Power Monitor; ENTSO-E does not endorse this site. (ENTSO-E Terms of Use plus CC BY 4.0 for listed data items) Data as of 2026-10-28.

Month by Month

First and latest months may be partial
Greece hours below zero, lowest and highest price by month
MonthDays with dataHours below zeroDays below zeroLowest priceHighest price
September 2025 7 0 hours 0 EUR 12.78/MWh EUR 425.83/MWh
October 2025 30 16 hours 4 EUR -4.79/MWh EUR 561.15/MWh
November 2025 30 6 hours 1 EUR -4.50/MWh EUR 347.85/MWh
December 2025 31 0 hours 0 EUR 0.00/MWh EUR 282.28/MWh
January 2026 31 0 hours 0 EUR 0.00/MWh EUR 421.38/MWh
February 2026 28 21.75 hours 8 EUR -25.00/MWh EUR 246.62/MWh
March 2026 31 24.75 hours 7 EUR -6.30/MWh EUR 281.69/MWh
April 2026 30 99.75 hours 18 EUR -50.00/MWh EUR 292.39/MWh
May 2026 31 63.5 hours 17 EUR -10.25/MWh EUR 277.76/MWh
June 2026 30 97 hours 15 EUR -34.00/MWh EUR 519.29/MWh
July 2026 31 39.25 hours 8 EUR -0.02/MWh EUR 392.08/MWh
August 2026 31 46.75 hours 9 EUR -0.01/MWh EUR 347.39/MWh
September 2026 28 43 hours 7 EUR -0.12/MWh EUR 349.87/MWh
October 2026 28 72.25 hours 11 EUR -23.00/MWh EUR 406.48/MWh

Prices are day-ahead, in EUR per MWh. A negative price means sellers pay to deliver electricity in that interval, usually when wind and solar output is high and demand is low; the explanation and the ranking of all zones are on the main page.

Source: ENTSO-E Transparency Platform (transparency.entsoe.eu), CC BY 4.0. Aggregated and converted by World Power Monitor; ENTSO-E does not endorse this site. (ENTSO-E Terms of Use plus CC BY 4.0 for listed data items) Data as of 2026-10-28.

Cite this page
APA 7

World Power Monitor. (2026). Greece Negative Electricity Prices and Spikes, 2026. https://worldpowermonitor.com/prices/negative/gr/

Plain text

World Power Monitor. Greece Negative Electricity Prices and Spikes, 2026. Data as of 2026-10-28. Data from ENTSO-E Transparency Platform. https://worldpowermonitor.com/prices/negative/gr/

BibTeX 
@misc{wpm_prices_negative_gr_2026,
  title = {{Greece Negative Electricity Prices and Spikes, 2026}},
  author = {{World Power Monitor}},
  year = {2026},
  note = {Data as of 2026-10-28. Data from ENTSO-E Transparency Platform.},
  url = {https://worldpowermonitor.com/prices/negative/gr/}
}

Permalink: https://worldpowermonitor.com/prices/negative/gr/

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