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Green Collective
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Daily updates on Irish electricity generation (previously: IrishEnergyBot on Twitter).

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Renewable generation and discharging storage equalled 57% of yesterday's electricity demand, with a peak of 72% at 13:45. Fossil fuel generation (mostly gas) equalled 29% of demand. 0% of generation was exported, 15% of demand was met by imports.
December 7, 2025 at 9:56 AM
A closer look at yesterday's all-time high for wind power:
- occurred during the Friday morning peak
- 4671MW, or about 75% of electricity demand at the time
- finally beats the 4629MW seen in March 2024

A green day for all the tellies and kettles during the Toy Show! 🪀

#SpeirGorm #LateLateToyShow
December 6, 2025 at 11:30 AM
Renewable generation and discharging storage equalled 62% of yesterday's electricity demand, with a peak of 80% at 06:30. Fossil fuel generation (mostly gas) equalled 30% of demand. 1% of generation was exported, 9% of demand was met by imports.
December 6, 2025 at 8:00 AM
🚨Our dashboard caught a new all-island wind output record this morning: 4671MW at 9:30am on Friday, 5 December!🚨

www.greencollective.io/records
December 5, 2025 at 12:22 PM
Renewable generation and discharging storage equalled 29% of yesterday's electricity demand, with a peak of 40% at 22:15. Fossil fuel generation (mostly gas) equalled 47% of demand. 0% of generation was exported, 24% of demand was met by imports.
December 5, 2025 at 7:11 AM
Renewable generation and discharging storage equalled 40% of yesterday's electricity demand, with a peak of 51% at 18:30. Fossil fuel generation (mostly gas) equalled 42% of demand. 0% of generation was exported, 18% of demand was met by imports.
December 4, 2025 at 8:01 AM
Renewable generation and discharging storage equalled 44% of yesterday's electricity demand, with a peak of 66% at 06:00. Fossil fuel generation (mostly gas) equalled 36% of demand. 0% of generation was exported, 19% of demand was met by imports.
December 3, 2025 at 7:02 AM
Renewable generation and discharging storage equalled 27% of yesterday's electricity demand, with a peak of 55% at 23:30. Fossil fuel generation (mostly gas) equalled 49% of demand. 0% of generation was exported, 24% of demand was met by imports.
December 2, 2025 at 7:01 AM
Renewable generation and discharging storage equalled 43% of yesterday's electricity demand, with a peak of 75% at 19:45. Fossil fuel generation (mostly gas) equalled 43% of demand. 2% of generation was exported, 16% of demand was met by imports.
December 1, 2025 at 7:11 AM
Renewable generation and discharging storage equalled 32% of yesterday's electricity demand, with a peak of 44% at 14:15. Fossil fuel generation (mostly gas) equalled 44% of demand. 0% of generation was exported, 24% of demand was met by imports.
November 30, 2025 at 8:57 AM
Renewable generation and discharging storage equalled 64% of yesterday's electricity demand, with a peak of 85% at 06:45. Fossil fuel generation (mostly gas) equalled 29% of demand. 3% of generation was exported, 10% of demand was met by imports.
November 29, 2025 at 8:37 AM
Renewable generation and discharging storage equalled 72% of yesterday's electricity demand, with a peak of 82% at 05:30. Fossil fuel generation (mostly gas) equalled 26% of demand. 1% of generation was exported, 2% of demand was met by imports.
November 28, 2025 at 7:41 AM
Renewable generation and discharging storage equalled 49% of yesterday's electricity demand, with a peak of 70% at 04:15. Fossil fuel generation (mostly gas) equalled 43% of demand. 2% of generation was exported, 11% of demand was met by imports.
November 27, 2025 at 7:08 AM
🚨 Battery discharge early yesterday evening reached a new all-time high of 396MW, equal to 5.6% of electricity demand at the time.

Cork's Aghada plant the biggest contributor.

Recent changes in scheduling and dispatch already making a difference on these high demand, low wind nights.
November 26, 2025 at 7:40 PM
Renewable generation and discharging storage equalled 20% of yesterday's electricity demand, with a peak of 48% at 00:00. Fossil fuel generation (mostly gas) equalled 56% of demand. 0% of generation was exported, 24% of demand was met by imports.
November 26, 2025 at 9:02 AM
Renewable generation and discharging storage equalled 53% of yesterday's electricity demand, with a peak of 80% at 03:00. Fossil fuel generation (mostly gas) equalled 36% of demand. 1% of generation was exported, 13% of demand was met by imports.
November 25, 2025 at 7:46 AM
Renewable generation and discharging storage equalled 75% of yesterday's electricity demand, with a peak of 86% at 04:15. Fossil fuel generation (mostly gas) equalled 29% of demand. 5% of generation was exported, 1% of demand was met by imports.
November 24, 2025 at 9:47 AM
Renewable generation and discharging storage equalled 27% of yesterday's electricity demand, with a peak of 77% at 00:00. Fossil fuel generation (mostly gas) equalled 53% of demand. 0% of generation was exported, 20% of demand was met by imports.
November 23, 2025 at 11:22 AM
🚨 Cold weather results in higher electricity demand and we just saw a new high for all-island electricity output of 7774MW.

This beats the previous record of 7712MW set in February.

Wind generation was pretty high at around 3.5GW but a lot of gas being burned too.

#SpeirGorm
November 21, 2025 at 9:08 PM
Renewable generation and discharging storage equalled 22% of yesterday's electricity demand, with a peak of 30% at 03:45. Fossil fuel generation (mostly gas) equalled 59% of demand. 0% of generation was exported, 19% of demand was met by imports.
November 21, 2025 at 10:08 AM
Renewable generation and discharging storage equalled 39% of yesterday's electricity demand, with a peak of 68% at 03:45. Fossil fuel generation (mostly gas) equalled 49% of demand. 2% of generation was exported, 13% of demand was met by imports.
November 20, 2025 at 8:35 AM
Renewable generation and discharging storage equalled 45% of yesterday's electricity demand, with a peak of 67% at 00:00. Fossil fuel generation (mostly gas) equalled 50% of demand. 1% of generation was exported, 7% of demand was met by imports.
November 19, 2025 at 6:58 AM
Renewable generation and discharging storage equalled 15% of yesterday's electricity demand, with a peak of 32% at 03:45. Fossil fuel generation (mostly gas) equalled 59% of demand. 0% of generation was exported, 26% of demand was met by imports.
November 18, 2025 at 7:41 AM
Renewable generation and discharging storage equalled 27% of yesterday's electricity demand, with a peak of 31% at 13:45. Fossil fuel generation (mostly gas) equalled 49% of demand. 0% of generation was exported, 24% of demand was met by imports.
November 17, 2025 at 9:11 AM
Renewable generation and discharging storage equalled 51% of yesterday's electricity demand, with a peak of 92% at 01:00. Fossil fuel generation (mostly gas) equalled 37% of demand. 4% of generation was exported, 16% of demand was met by imports.
November 16, 2025 at 10:02 AM