I-SEM Daily Briefing — 3 October 2026
Table of Contents
Market Snapshot
| Metric | Value |
|---|---|
| Mean DAM Price | €215.83/MWh |
| Median Price | €198.0/MWh |
| Std Dev | €45.32/MWh |
| Peak Price | €319.13/MWh (09:00) |
| Min Price | €160.6/MWh (14:00) |
| Price Range | €158.53/MWh |
| Periods above €150 | 48 of 48 (100%) |
| Periods above €200 | 23 of 48 (48%) |
| Peak Avg (07–22) | €227.32/MWh |
| Off-peak Avg (22–07) | €196.67/MWh |
| Peak/Off-Peak Spread | €30.65/MWh |
| Cheap/Dear Spread | €162.78/MWh → €306.1/MWh (€143.32) |
| Wind % of Demand | 11.3% |
| Wind Range | 3.0%–31.0% |
| Mean Demand | 3823 MW |
Price Profile #
Std dev €45.32/MWh · Median €198.0/MWh · Periods above €150: 48 of 48 (100%)
Price vs Wind #
Mean wind: 11.3% · Range: 3.0%–31.0%
Week in Context #
Price Duration Curve #
Periods above €150: 48 (100% of day) · Above €200: 23 (48% of day)
Peak / Off-Peak Spread #
Peak avg (07:00–22:00): €227.32/MWh · Off-peak avg: €196.67/MWh · Spread: €30.65/MWh
Cheap window: €162.78/MWh · Dear window: €306.1/MWh · Spread: €143.32/MWh — the actual cheapest and dearest 2-hour blocks of the day, wherever they fall on the clock
Commentary #
Half-hourly data — 2026-10-03
| Period | Time | Price (€/MWh) | Wind % |
|---|---|---|---|
| 1 | 23:00 | 214.57 | — |
| 2 | 23:30 | 196.01 | — |
| 3 | 00:00 | 198.72 | 16.6% |
| 4 | 00:30 | 185.33 | 15.0% |
| 5 | 01:00 | 181.92 | 14.1% |
| 6 | 01:30 | 180.60 | 12.9% |
| 7 | 02:00 | 196.30 | 12.2% |
| 8 | 02:30 | 197.27 | 11.6% |
| 9 | 03:00 | 192.49 | 10.5% |
| 10 | 03:30 | 187.24 | 8.6% |
| 11 | 04:00 | 187.61 | 7.2% |
| 12 | 04:30 | 187.65 | 7.7% |
| 13 | 05:00 | 194.40 | 8.3% |
| 14 | 05:30 | 201.00 | 8.3% |
| 15 | 06:00 | 223.00 | 9.1% |
| 16 | 06:30 | 241.72 | 10.1% |
| 17 | 07:00 | 281.69 | 10.7% |
| 18 | 07:30 | 306.43 | 9.9% |
| 19 | 08:00 | 283.84 | 8.9% |
| 20 | 08:30 | 315.00 | 6.5% |
| 21 | 09:00 | 319.13 | 4.6% |
| 22 | 09:30 | 276.61 | 3.9% |
| 23 | 10:00 | 269.00 | 3.2% |
| 24 | 10:30 | 201.12 | 3.0% |
| 25 | 11:00 | 182.61 | 3.7% |
| 26 | 11:30 | 169.23 | 4.0% |
| 27 | 12:00 | 168.90 | 5.2% |
| 28 | 12:30 | 166.15 | 5.6% |
| 29 | 13:00 | 167.90 | 5.4% |
| 30 | 13:30 | 165.35 | 5.8% |
| 31 | 14:00 | 160.60 | 7.0% |
| 32 | 14:30 | 162.09 | 7.7% |
| 33 | 15:00 | 163.10 | 8.9% |
| 34 | 15:30 | 169.89 | 8.7% |
| 35 | 16:00 | 195.50 | 9.5% |
| 36 | 16:30 | 208.94 | 9.5% |
| 37 | 17:00 | 242.55 | 10.2% |
| 38 | 17:30 | 276.77 | 9.8% |
| 39 | 18:00 | 268.54 | 10.1% |
| 40 | 18:30 | 268.08 | 11.8% |
| 41 | 19:00 | 278.75 | 15.3% |
| 42 | 19:30 | 264.12 | 18.1% |
| 43 | 20:00 | 238.74 | 21.2% |
| 44 | 20:30 | 232.80 | 22.4% |
| 45 | 21:00 | 215.00 | 26.9% |
| 46 | 21:30 | 201.30 | 28.9% |
| 47 | 22:00 | 191.55 | 30.1% |
| 48 | 22:30 | 182.70 | 31.0% |
For the week-level picture and what it means if you're buying, see Weekly Analysis — 28 September–4 October 2026.
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