Built 2026-09-20 (20 September 2026)

France Negative Electricity Prices and Spikes, 2026

Day-ahead electricity prices in France were below zero for 530.25 hours (8.4% of hours) on 109 days in 2026 up to 2026-09-20 (20 September 2026). The lowest interval price was EUR -498.65/MWh on 2026-05-01 (1 May 2026) and the highest EUR 487.38/MWh on 2026-08-13 (13 August 2026). Prices are day-ahead, in EUR per MWh as published, and are not converted.

Key Facts

  • Day-ahead electricity prices in France were below zero for 530.25 hours (8.4% of hours) on 109 days in 2026 up to 2026-09-20 (20 September 2026). The lowest interval price was EUR -498.65/MWh on 2026-05-01 (1 May 2026) and the highest EUR 487.38/MWh on 2026-08-13 (13 August 2026).
  • The longest streak of consecutive days with a price below zero in France in 2026 was 16 days, from 2026-04-18 (18 April 2026) to 2026-05-03 (3 May 2026).
  • In September 2026 up to 2026-09-20 (20 September 2026), France had 21 hours below zero on 5 days.
  • Since 2025-08-17 (17 August 2025), the lowest price in France was EUR -498.65/MWh on 2026-05-01 (1 May 2026) and the highest EUR 487.38/MWh on 2026-08-13 (13 August 2026).

Hours Below Zero

Delivery days to 2026-09-20, local time
September 2026 to date21 hours
2026 to date530.25 hours
Share of hours, 20268.4%
Days below zero, 2026109 days
France negative prices and price extremes by period
PeriodDays with dataHours below zeroShare of hoursDays below zeroLongest streak of days
September 2026 to date 20 21 hours 4.4% 5 2 days (2026-09-05 to 2026-09-06)
2026 to date 263 530.25 hours 8.4% 109 16 days (2026-04-18 to 2026-05-03)
Since 2025-08-17 400 616.5 hours 6.4% 128 16 days (2026-04-18 to 2026-05-03)

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 2026-09-20. 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
France lowest and highest day-ahead price by period, with delivery day
PeriodLowest priceDelivery dayHighest priceDelivery day
September 2026 to date EUR -1.29/MWh 2026-09-19 (19 September 2026) EUR 333.17/MWh 2026-09-14 (14 September 2026)
2026 to date EUR -498.65/MWh 2026-05-01 (1 May 2026) EUR 487.38/MWh 2026-08-13 (13 August 2026)
Since 2025-08-17 EUR -498.65/MWh 2026-05-01 (1 May 2026) EUR 487.38/MWh 2026-08-13 (13 August 2026)

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 2026-09-20.

Longest Run Below Zero, Last 7 Days

Unbroken market intervals

In the last 7 days of intervals held, the longest unbroken run of prices below zero in France lasted 6.25 hours, from 19 Sept 2026, 11:00 CEST (UTC+02:00) to 19 Sept 2026, 17:15 CEST (UTC+02:00), with a lowest price of EUR -1.29/MWh.

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 2026-09-20T21:45:00Z.

Hours Below Zero Each Day

Local delivery days, 2025-08-17 to 2026-09-20
France hours below zero per delivery day, 2025-08-17 to 2026-09-20 Hours per local delivery day in France with a day-ahead price below zero, from 2025-08-17 (17 August 2025) to 2026-09-20 (20 September 2026). The zone had 616.5 hours below zero over 400 days with data. 0 4 8 11 15 Aug 2025Oct 2025Dec 2025Feb 2026Apr 2026Jun 2026Aug 2026
Hours per local delivery day in France with a day-ahead price below zero, from 2025-08-17 (17 August 2025) to 2026-09-20 (20 September 2026). The zone had 616.5 hours below zero over 400 days with data.
Daily hours through 2026-09-20
France hours below zero per delivery day, 2025-08-17 to 2026-09-20
Delivery day (local)Hours below zero
2025-08-170 hours
2025-08-180 hours
2025-08-190 hours
2025-08-200 hours
2025-08-210 hours
2025-08-220 hours
2025-08-230 hours
2025-08-246 hours
2025-08-250 hours
2025-08-260 hours
2025-08-270 hours
2025-08-280 hours
2025-08-290 hours
2025-08-302 hours
2025-08-315 hours
2025-09-010 hours
2025-09-020 hours
2025-09-036 hours
2025-09-040 hours
2025-09-050 hours
2025-09-065 hours
2025-09-0713 hours
2025-09-080 hours
2025-09-090 hours
2025-09-104 hours
2025-09-116 hours
2025-09-120 hours
2025-09-132 hours
2025-09-141 hour
2025-09-1510 hours
2025-09-162 hours
2025-09-170 hours
2025-09-180 hours
2025-09-190 hours
2025-09-200 hours
2025-09-210 hours
2025-09-225 hours
2025-09-233 hours
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
2025-10-010 hours
2025-10-020 hours
2025-10-030 hours
2025-10-044.25 hours
2025-10-059.5 hours
2025-10-060 hours
2025-10-070 hours
2025-10-080 hours
2025-10-090 hours
2025-10-100 hours
2025-10-110 hours
2025-10-120 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
2025-10-232 hours
2025-10-240 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
2025-11-040.25 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
2025-11-230 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
2025-12-100.25 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
2026-02-070 hours
2026-02-080 hours
2026-02-090 hours
2026-02-100 hours
2026-02-112.5 hours
2026-02-121.75 hours
2026-02-130 hours
2026-02-140.25 hours
2026-02-150.5 hours
2026-02-163.75 hours
2026-02-170 hours
2026-02-180 hours
2026-02-190 hours
2026-02-200 hours
2026-02-212.25 hours
2026-02-226.75 hours
2026-02-232.75 hours
2026-02-240.25 hours
2026-02-253 hours
2026-02-263 hours
2026-02-272 hours
2026-02-283.5 hours
2026-03-014.5 hours
2026-03-020 hours
2026-03-030 hours
2026-03-040 hours
2026-03-050 hours
2026-03-060 hours
2026-03-070 hours
2026-03-080.25 hours
2026-03-090 hours
2026-03-100 hours
2026-03-110.5 hours
2026-03-124 hours
2026-03-130 hours
2026-03-140 hours
2026-03-151.25 hours
2026-03-160 hours
2026-03-174 hours
2026-03-186.5 hours
2026-03-192.75 hours
2026-03-200 hours
2026-03-210.25 hours
2026-03-224.75 hours
2026-03-230 hours
2026-03-241.75 hours
2026-03-257 hours
2026-03-261.25 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
2026-04-045 hours
2026-04-0513.75 hours
2026-04-068 hours
2026-04-075 hours
2026-04-085.5 hours
2026-04-095.75 hours
2026-04-100.25 hours
2026-04-116.75 hours
2026-04-120 hours
2026-04-130 hours
2026-04-140 hours
2026-04-152.5 hours
2026-04-160.25 hours
2026-04-170 hours
2026-04-186 hours
2026-04-196.75 hours
2026-04-200.25 hours
2026-04-216.75 hours
2026-04-228 hours
2026-04-236.25 hours
2026-04-245.5 hours
2026-04-258.25 hours
2026-04-268.25 hours
2026-04-274.75 hours
2026-04-287 hours
2026-04-299 hours
2026-04-307.25 hours
2026-05-018 hours
2026-05-026.75 hours
2026-05-033.5 hours
2026-05-040 hours
2026-05-050 hours
2026-05-060 hours
2026-05-070 hours
2026-05-080.25 hours
2026-05-093.75 hours
2026-05-106 hours
2026-05-110 hours
2026-05-120 hours
2026-05-137.5 hours
2026-05-141 hour
2026-05-150.25 hours
2026-05-164.5 hours
2026-05-170 hours
2026-05-180 hours
2026-05-190 hours
2026-05-205.25 hours
2026-05-215.5 hours
2026-05-224 hours
2026-05-237.75 hours
2026-05-248 hours
2026-05-256.25 hours
2026-05-264.5 hours
2026-05-271.25 hours
2026-05-280 hours
2026-05-290 hours
2026-05-304.25 hours
2026-05-314.25 hours
2026-06-010 hours
2026-06-025 hours
2026-06-037.25 hours
2026-06-045.75 hours
2026-06-050 hours
2026-06-068.5 hours
2026-06-0710 hours
2026-06-080 hours
2026-06-097.25 hours
2026-06-107.25 hours
2026-06-116.25 hours
2026-06-127.25 hours
2026-06-139.75 hours
2026-06-1410.25 hours
2026-06-150 hours
2026-06-160 hours
2026-06-170 hours
2026-06-180 hours
2026-06-190 hours
2026-06-203.25 hours
2026-06-212.5 hours
2026-06-220 hours
2026-06-230 hours
2026-06-240 hours
2026-06-250 hours
2026-06-260 hours
2026-06-270 hours
2026-06-280 hours
2026-06-290 hours
2026-06-300 hours
2026-07-010 hours
2026-07-025.75 hours
2026-07-034.5 hours
2026-07-048.25 hours
2026-07-0510 hours
2026-07-060 hours
2026-07-072.75 hours
2026-07-080 hours
2026-07-090 hours
2026-07-100 hours
2026-07-112 hours
2026-07-127.25 hours
2026-07-130 hours
2026-07-140 hours
2026-07-150 hours
2026-07-160 hours
2026-07-170 hours
2026-07-181.5 hours
2026-07-197.5 hours
2026-07-201.5 hours
2026-07-210 hours
2026-07-220 hours
2026-07-230 hours
2026-07-240 hours
2026-07-257 hours
2026-07-269.5 hours
2026-07-274 hours
2026-07-283 hours
2026-07-290 hours
2026-07-300 hours
2026-07-310 hours
2026-08-010 hours
2026-08-024.75 hours
2026-08-030 hours
2026-08-040 hours
2026-08-050 hours
2026-08-060 hours
2026-08-070 hours
2026-08-085.5 hours
2026-08-094.5 hours
2026-08-100 hours
2026-08-110 hours
2026-08-120 hours
2026-08-130 hours
2026-08-140 hours
2026-08-150 hours
2026-08-160 hours
2026-08-170 hours
2026-08-180 hours
2026-08-190 hours
2026-08-200 hours
2026-08-210 hours
2026-08-223.25 hours
2026-08-237.75 hours
2026-08-240 hours
2026-08-250 hours
2026-08-260 hours
2026-08-270 hours
2026-08-280 hours
2026-08-297.5 hours
2026-08-307.5 hours
2026-08-313.5 hours
2026-09-010 hours
2026-09-020 hours
2026-09-030 hours
2026-09-040 hours
2026-09-051.25 hours
2026-09-064 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
2026-09-133.5 hours
2026-09-140 hours
2026-09-150 hours
2026-09-160 hours
2026-09-170 hours
2026-09-180 hours
2026-09-196.25 hours
2026-09-206 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 2026-09-20.

Month by Month

First and latest months may be partial
France hours below zero, lowest and highest price by month
MonthDays with dataHours below zeroDays below zeroLowest priceHighest price
August 2025 15 13 hours 3 EUR -7.45/MWh EUR 126.28/MWh
September 2025 30 57 hours 11 EUR -53.40/MWh EUR 133.26/MWh
October 2025 31 15.75 hours 3 EUR -2.64/MWh EUR 188.82/MWh
November 2025 30 0.25 hours 1 EUR -0.01/MWh EUR 232.41/MWh
December 2025 31 0.25 hours 1 EUR -0.01/MWh EUR 200.00/MWh
January 2026 31 0 hours 0 EUR 4.81/MWh EUR 244.39/MWh
February 2026 28 32.25 hours 13 EUR -0.09/MWh EUR 172.49/MWh
March 2026 31 38.75 hours 13 EUR -4.00/MWh EUR 291.10/MWh
April 2026 30 136.75 hours 23 EUR -478.80/MWh EUR 239.12/MWh
May 2026 31 92.5 hours 20 EUR -498.65/MWh EUR 206.03/MWh
June 2026 30 90.25 hours 13 EUR -52.99/MWh EUR 433.42/MWh
July 2026 31 74.5 hours 14 EUR -11.32/MWh EUR 260.28/MWh
August 2026 31 44.25 hours 8 EUR -11.28/MWh EUR 487.38/MWh
September 2026 20 21 hours 5 EUR -1.29/MWh EUR 333.17/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 2026-09-20.