https://www.hevia-koch.com/ A daily, auditable read on European day-ahead prices, grids and renewables. en Mon, 14 Sep 2026 12:17:34 +0000 One scarcity peak priced across 13 zones at once: Germany, Belgium, Austria, Western Denmark, Eastern Denmark, Poland, Czechia, Slovakia, Hungary, Romania, Slovenia, Croatia, Southern Sweden each cleared their most expensive hour at 19:00, at 441.7 to 738.2 €/MWh. The highest price level was in Western Denmark at 738.2 €/MWh (19:00). Gas-fired generation cost about 193 €/MWh to run (front-month TTF closed at 79.5 €/MWh on 2026-09-11, EUA at 85.2 €/t from the EEX auction of 2026-09-10). The peak cleared 545 €/MWh above that level. https://www.hevia-koch.com/?date=2026-09-14 https://www.hevia-koch.com/?date=2026-09-14 Mon, 14 Sep 2026 12:17:34 +0000 On 2026-09-11, net load in Latvia climbed from -56 MW at 15:00 to 748 MW at 18:00 Riga time: an 804 MW swing in 3 hours, equal to 85% of the day's peak demand. That is 27% steeper than 633 MW, the level only the top 5% of days in the last 30 days have reached. https://www.hevia-koch.com/?date=2026-09-12 https://www.hevia-koch.com/?date=2026-09-12 Sat, 12 Sep 2026 12:17:23 +0000 On 2026-09-10, net load in Montenegro climbed from 323 MW at 07:00 to 983 MW at 10:00: a 660 MW swing in 3 hours, equal to 65% of the day's peak demand. That is 162% steeper than 251 MW, the level only the top 5% of days in the last 30 days have reached. https://www.hevia-koch.com/?date=2026-09-11 https://www.hevia-koch.com/?date=2026-09-11 Fri, 11 Sep 2026 12:17:26 +0000 One scarcity peak priced across 22 zones at once: Germany, Central-North Italy, Central-South Italy, Southern Italy, Sicily, Sardinia, the Netherlands, Belgium, Austria, Western Denmark, Eastern Denmark, Poland, Czechia, Slovakia, Hungary, Romania, Slovenia, Croatia, Greece, Southern Sweden, Bulgaria, Serbia each cleared their most expensive hour between 19:00 and 20:00, at 301.4 to 473.8 €/MWh. The highest price level was in the Netherlands at 473.8 €/MWh (19:00). Gas-fired generation cost about 193 €/MWh to run (front-month TTF closed at 79.2 €/MWh on 2026-09-09, EUA at 84.4 €/t from the EEX auction of 2026-09-08). The peak cleared 281 €/MWh above that level. https://www.hevia-koch.com/?date=2026-09-10 https://www.hevia-koch.com/?date=2026-09-10 Thu, 10 Sep 2026 12:19:44 +0000 No price signal crossed its trigger across the 44 bidding zones scanned for 2026-09-09: no material negative-price windows, spikes, collapses, or unusual intraday ramps. Daily averages ranged from 78.7 €/MWh in Northern Sweden (SE2) to 229.2 €/MWh in Central-North Italy. https://www.hevia-koch.com/?date=2026-09-09 https://www.hevia-koch.com/?date=2026-09-09 Thu, 10 Sep 2026 12:17:21 +0000 No price signal crossed its trigger across the 44 bidding zones scanned for 2026-09-08: no material negative-price windows, spikes, collapses, or unusual intraday ramps. Daily averages ranged from 18.4 €/MWh in Northern Sweden (SE1) to 179.7 €/MWh in Austria. https://www.hevia-koch.com/?date=2026-09-08 https://www.hevia-koch.com/?date=2026-09-08 Wed, 09 Sep 2026 12:17:21 +0000 European gas storage stood at 66.6% full (753 TWh) on 2026-09-05, 15.6 percentage points below the 82.2% median for this date across prior years, and below every prior year's level for the date (the previous low was 68.8% in 2021). Over the last two weeks the level rose just 3.5 points. Capacity-weighted across the 18 countries reporting to GIE AGSI+. Storage data lags one to two days. https://www.hevia-koch.com/?date=2026-09-07 https://www.hevia-koch.com/?date=2026-09-07 Mon, 07 Sep 2026 12:17:22 +0000 On 2026-09-05, wind and solar supplied 55.0% of the electricity generated in Poland, the highest share since at least 2021. The previous record, 49.7%, was set on 2024-05-16. A typical September day runs at 22%. Solar delivered 71.3 GWh and wind 159.4 GWh of the day's 419 GWh. https://www.hevia-koch.com/?date=2026-09-06 https://www.hevia-koch.com/?date=2026-09-06 Sun, 06 Sep 2026 12:17:26 +0000 Negative day-ahead prices cleared across 4 zones on the same day (Germany, the Netherlands, Western Denmark, Poland), below zero for 2 to 8 hours each. The lowest price was in Poland at -31.8 €/MWh (12:45). https://www.hevia-koch.com/?date=2026-09-05 https://www.hevia-koch.com/?date=2026-09-05 Sat, 05 Sep 2026 12:17:49 +0000 On 2026-09-03 at 13:00, electricity demand in Eastern Denmark peaked at 2199 MW, the highest September peak since records here begin (2020) and 5.4% above the previous September record of 2086 MW set on 2026-09-02. https://www.hevia-koch.com/?date=2026-09-04 https://www.hevia-koch.com/?date=2026-09-04 Sat, 05 Sep 2026 12:59:59 +0000 On 2026-09-02 at 19:00, electricity demand in Slovenia peaked at 2240 MW, the highest September peak since records here begin (2020) and 13.1% above the previous September record of 1980 MW set on 2025-09-03. https://www.hevia-koch.com/?date=2026-09-03 https://www.hevia-koch.com/?date=2026-09-03 Thu, 03 Sep 2026 12:19:27 +0000 On 2026-09-01, 5 units in Germany tripped for a combined 2683 MW, above the previous 12-month high of 1242 MW set on 2026-08-23. The largest was 11WD7NEUR-B-KW-B (1058 MW lignite, off from 20:26, filed to return 2026-09-02 09:20). Forced capacity offline peaked at 2919 MW. Figures as filed by 2026-09-03. https://www.hevia-koch.com/?date=2026-09-02 https://www.hevia-koch.com/?date=2026-09-02 Thu, 03 Sep 2026 12:17:15 +0000 No price signal crossed its trigger across the 44 bidding zones scanned for 2026-09-01: no material negative-price windows, spikes, collapses, or unusual intraday ramps. Daily averages ranged from 41.4 €/MWh in Northern Norway to 204.3 €/MWh in Sicily. https://www.hevia-koch.com/?date=2026-09-01 https://www.hevia-koch.com/?date=2026-09-01 Sat, 05 Sep 2026 14:17:48 +0000 Day-ahead prices in Sicily separated from the average of its 1 coupled neighbour (Southern Italy) by at least 100 €/MWh for 5 hours. At 01:00, Sicily cleared at 358.1 €/MWh against a neighbour average of 169.5 €/MWh, a 189 €/MWh premium. A separation this wide is beyond 113 €/MWh, the level only the top 5% of days in the past year have reached. At that hour Sicily was importing 1381 MW net across its 1 monitored border (Calabria), and the Calabria to Sicily direction ran at 80% of the highest hourly flow seen on it in the past year (1381 MW). https://www.hevia-koch.com/?date=2026-08-31 https://www.hevia-koch.com/?date=2026-08-31 Sat, 05 Sep 2026 14:15:17 +0000 European gas storage stood at 64.7% full (732 TWh) on 2026-08-29, 15.3 percentage points below the 80.1% median for this date across prior years, and below every prior year's level for the date (the previous low was 66.8% in 2021). Over the last two weeks the level rose just 3.9 points. Capacity-weighted across the 18 countries reporting to GIE AGSI+. Storage data lags one to two days. https://www.hevia-koch.com/?date=2026-08-30 https://www.hevia-koch.com/?date=2026-08-30 Sat, 05 Sep 2026 14:12:44 +0000 On 2026-08-28, net load in Romania climbed from -75 MW at 15:00 to 4995 MW at 18:00: a 5070 MW swing in 3 hours, equal to 76% of the day's peak demand. That is 31% steeper than 3872 MW, the level only the top 5% of days in the last 30 days have reached. https://www.hevia-koch.com/?date=2026-08-29 https://www.hevia-koch.com/?date=2026-08-29 Sat, 29 Aug 2026 12:17:10 +0000 Central Norway has had 4 consecutive days of renewable drought since 2026-08-24: wind and solar together delivered 21% of their typical August output (each day at or below 50% of the norm), while residual load ran 14% above its August norm. On 2026-08-27, wind and solar produced 1.7 GWh against a typical 8.9 GWh. https://www.hevia-koch.com/?date=2026-08-28 https://www.hevia-koch.com/?date=2026-08-28 Fri, 28 Aug 2026 12:19:29 +0000 Day-ahead prices in Poland were below zero for 4 hours, from 11:15 to 15:15, reaching -119.7 €/MWh at 11:45. Wind and solar supplied 61% of Poland's generation during the negative-price window. https://www.hevia-koch.com/?date=2026-08-27 https://www.hevia-koch.com/?date=2026-08-27 Fri, 28 Aug 2026 12:17:15 +0000 No price signal crossed its trigger across the 44 bidding zones scanned for 2026-08-26: no material negative-price windows, spikes, collapses, or unusual intraday ramps. Daily averages range from 12.9 €/MWh in Northern Norway to 216.7 €/MWh in Sicily. https://www.hevia-koch.com/?date=2026-08-26 https://www.hevia-koch.com/?date=2026-08-26 Wed, 26 Aug 2026 12:16:52 +0000 No price signal crossed its trigger across the 44 bidding zones scanned for 2026-08-25: no material negative-price windows, spikes, collapses, or unusual intraday ramps. Daily averages range from 12.5 €/MWh in Northern Norway to 216.3 €/MWh in Sicily. https://www.hevia-koch.com/?date=2026-08-25 https://www.hevia-koch.com/?date=2026-08-25 Tue, 25 Aug 2026 12:16:50 +0000 European gas storage stood at 63.0% full (697 TWh) on 2026-08-22, 14.7 percentage points below the 77.8% median for this date across prior years, and below every prior year's level for the date (the previous low was 64.4% in 2021). Over the last two weeks the level rose just 4.2 points. Capacity-weighted across the 17 countries reporting to GIE AGSI+; storage data lags one to two days. https://www.hevia-koch.com/?date=2026-08-24 https://www.hevia-koch.com/?date=2026-08-24 Mon, 24 Aug 2026 12:16:56 +0000 Negative day-ahead prices cleared across 8 zones on the same day (Germany, France, Spain, the Netherlands, Belgium, Poland, Portugal, Switzerland), below zero for 5 to 8 hours each. The lowest price was in Poland at -45.0 €/MWh (16:45). https://www.hevia-koch.com/?date=2026-08-23 https://www.hevia-koch.com/?date=2026-08-23 Sun, 23 Aug 2026 12:16:54 +0000 No price signal crossed its trigger across the 44 bidding zones scanned for 2026-08-22: no material negative-price windows, spikes, collapses, or unusual intraday ramps. Daily averages range from 47.2 €/MWh in Northern Norway to 188.4 €/MWh in Sicily. https://www.hevia-koch.com/?date=2026-08-22 https://www.hevia-koch.com/?date=2026-08-22 Sat, 22 Aug 2026 12:16:48 +0000 The most expensive hour of the day in Central Norway clears at 181.9 €/MWh at 08:00, against a daily average of 129.3 €/MWh. That is above 138.0 €/MWh, the level only the top 5% of daily peaks in the last 30 days have reached (1.32× that benchmark). Gas-fired generation cost about 131 €/MWh to run (front-month TTF closed at 65.3 €/MWh on 2026-08-20, ex-carbon); the peak cleared 51 €/MWh above that level. https://www.hevia-koch.com/?date=2026-08-21 https://www.hevia-koch.com/?date=2026-08-21 Fri, 21 Aug 2026 12:16:47 +0000 On 2026-08-19 at 20:00, electricity demand in Slovenia peaked at 2169 MW, the highest August peak since records here begin (2020) and 6.9% above the previous August record of 2029 MW set on 2026-08-14. https://www.hevia-koch.com/?date=2026-08-20 https://www.hevia-koch.com/?date=2026-08-20 Thu, 20 Aug 2026 12:16:50 +0000 The most expensive hour of the day in Northern Sweden (SE2) clears at 170.8 €/MWh at 18:00, against a daily average of 125.5 €/MWh. That is above 110.2 €/MWh, the level only the top 5% of daily peaks in this month over recent years have reached (1.55× that benchmark). Gas-fired generation cost about 127 €/MWh to run (front-month TTF closed at 63.6 €/MWh on 2026-08-18, ex-carbon); the peak cleared 44 €/MWh above that level. https://www.hevia-koch.com/?date=2026-08-19 https://www.hevia-koch.com/?date=2026-08-19 Wed, 19 Aug 2026 12:16:50 +0000 Day-ahead prices in Spain separate from the average of its 2 coupled neighbours (France, Portugal) by at least 100 €/MWh for 4 hours. At 12:00, Spain clears at 0.9 €/MWh against a neighbour average of 122.8 €/MWh, a 122 €/MWh discount. A separation this wide is beyond 71 €/MWh, the level only the top 5% of days in the past year have reached. At that hour Spain is exporting 4142 MW net across its 2 monitored borders (France, Portugal), and the Spain to Portugal direction runs at 69% of the highest hourly flow seen on it in the past year (3421 MW). https://www.hevia-koch.com/?date=2026-08-18 https://www.hevia-koch.com/?date=2026-08-18 Tue, 18 Aug 2026 12:16:54 +0000 European gas storage stood at 60.8% full (687 TWh) on 2026-08-15, 14.4 percentage points below the 75.2% median for this date across prior years, and below every prior year's level for the date (the previous low was 62.0% in 2021). Over the last two weeks the level rose just 3.7 points. Capacity-weighted across the 18 countries reporting to GIE AGSI+; storage data lags one to two days. https://www.hevia-koch.com/?date=2026-08-17 https://www.hevia-koch.com/?date=2026-08-17 Mon, 17 Aug 2026 12:16:50 +0000 No price signal crossed its trigger across the 44 bidding zones scanned for 2026-08-16: no material negative-price windows, spikes, collapses, or unusual intraday ramps. Daily averages range from 7.8 €/MWh in Northern Norway to 176.9 €/MWh in Sicily. https://www.hevia-koch.com/?date=2026-08-16 https://www.hevia-koch.com/?date=2026-08-16 Sun, 16 Aug 2026 12:16:50 +0000 No price signal crossed its trigger across the 44 bidding zones scanned for 2026-08-15: no material negative-price windows, spikes, collapses, or unusual intraday ramps. Daily averages range from 9.0 €/MWh in Northern Norway to 173.9 €/MWh in Sicily. https://www.hevia-koch.com/?date=2026-08-15 https://www.hevia-koch.com/?date=2026-08-15 Sat, 15 Aug 2026 12:16:49 +0000