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Irish Grid Monthly: October 2025
www.greencollective.io
In this month's "Irish Grid Monthly":
- wind power and the RESS auctions
- Storm Amy
- disappointing solar generation
- are imports booting domestic wind generation off the grid?
- a new low for October carbon emissions
And much more!
www.greencollective.io/post/monthly...
- wind power and the RESS auctions
- Storm Amy
- disappointing solar generation
- are imports booting domestic wind generation off the grid?
- a new low for October carbon emissions
And much more!
www.greencollective.io/post/monthly...
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 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.
Reposted by Green Collective
Is it me or is there a lot more talk about nuclear in Irish media these few weeks?
November 28, 2025 at 11:23 AM
Is it me or is there a lot more talk about nuclear in Irish media these few weeks?
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 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.
This is the first time batteries have exceeded Turlough Hill's peak output of 292MW 🔋⛰️
The 0.6GWh discharged in total Tuesday is well short of Turlough Hill's typical daily maximum of 1.7GWh but with approx. 1GW/1GWh of batteries on the island (and more planned), this will likely also change soon.
The 0.6GWh discharged in total Tuesday is well short of Turlough Hill's typical daily maximum of 1.7GWh but with approx. 1GW/1GWh of batteries on the island (and more planned), this will likely also change soon.
🚨 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.
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 27, 2025 at 7:54 AM
This is the first time batteries have exceeded Turlough Hill's peak output of 292MW 🔋⛰️
The 0.6GWh discharged in total Tuesday is well short of Turlough Hill's typical daily maximum of 1.7GWh but with approx. 1GW/1GWh of batteries on the island (and more planned), this will likely also change soon.
The 0.6GWh discharged in total Tuesday is well short of Turlough Hill's typical daily maximum of 1.7GWh but with approx. 1GW/1GWh of batteries on the island (and more planned), this will likely also change soon.
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
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.
🚨 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.
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
🚨 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.
Cork's Aghada plant the biggest contributor.
Recent changes in scheduling and dispatch already making a difference on these high demand, low wind nights.
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 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.
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 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.
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 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.
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
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.
🚨 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
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
🚨 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
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
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 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.
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 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.
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 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.
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 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.
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 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.
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
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.
Renewable generation and discharging storage equalled 69% of yesterday's electricity demand, with a peak of 87% at 23:00. Fossil fuel generation (mostly gas) equalled 26% of demand. 2% of generation was exported, 8% of demand was met by imports.
November 15, 2025 at 8:12 AM
Renewable generation and discharging storage equalled 69% of yesterday's electricity demand, with a peak of 87% at 23:00. Fossil fuel generation (mostly gas) equalled 26% of demand. 2% of generation was exported, 8% of demand was met by imports.
Yesterday's metered data is out and...the new real-time battery data is looking good!
*Delighted* to finally have batteries in our daily reports: it was the last piece of the puzzle and, hopefully, with this new scheduling and dispatch system, they'll be meeting more and more of demand 🔋
*Delighted* to finally have batteries in our daily reports: it was the last piece of the puzzle and, hopefully, with this new scheduling and dispatch system, they'll be meeting more and more of demand 🔋
November 14, 2025 at 6:01 PM
Yesterday's metered data is out and...the new real-time battery data is looking good!
*Delighted* to finally have batteries in our daily reports: it was the last piece of the puzzle and, hopefully, with this new scheduling and dispatch system, they'll be meeting more and more of demand 🔋
*Delighted* to finally have batteries in our daily reports: it was the last piece of the puzzle and, hopefully, with this new scheduling and dispatch system, they'll be meeting more and more of demand 🔋
Changes to scheduling and dispatch on the grid manifesting here with the appearance of batteries in our morning report for the first time.
As always, we'll be carefully comparing this with the final metered and dispatch data, once available; for now, take this report with a (tiny!) grain of salt 🤞
As always, we'll be carefully comparing this with the final metered and dispatch data, once available; for now, take this report with a (tiny!) grain of salt 🤞
Renewable generation and discharging storage equalled 35% of yesterday's electricity demand, with a peak of 54% at 23:00. Fossil fuel generation (mostly gas) equalled 45% of demand. 0% of generation was exported, 21% of demand was met by imports.
November 14, 2025 at 8:59 AM
Changes to scheduling and dispatch on the grid manifesting here with the appearance of batteries in our morning report for the first time.
As always, we'll be carefully comparing this with the final metered and dispatch data, once available; for now, take this report with a (tiny!) grain of salt 🤞
As always, we'll be carefully comparing this with the final metered and dispatch data, once available; for now, take this report with a (tiny!) grain of salt 🤞
Renewable generation and discharging storage equalled 35% of yesterday's electricity demand, with a peak of 54% at 23:00. Fossil fuel generation (mostly gas) equalled 45% of demand. 0% of generation was exported, 21% of demand was met by imports.
November 14, 2025 at 8:41 AM
Renewable generation and discharging storage equalled 35% of yesterday's electricity demand, with a peak of 54% at 23:00. Fossil fuel generation (mostly gas) equalled 45% of demand. 0% of generation was exported, 21% of demand was met by imports.
Renewable generation and pumped storage equalled 28% of yesterday's electricity demand, with a peak of 43% at 00:15. Fossil fuel generation (mostly gas) equalled 50% of demand. 0% of generation was exported, 23% of demand was met by imports.
November 13, 2025 at 7:41 AM
Renewable generation and pumped storage equalled 28% of yesterday's electricity demand, with a peak of 43% at 00:15. Fossil fuel generation (mostly gas) equalled 50% of demand. 0% of generation was exported, 23% of demand was met by imports.
Renewable generation and pumped storage equalled 50% of yesterday's electricity demand, with a peak of 74% at 05:45. Fossil fuel generation (mostly gas) equalled 37% of demand. 1% of generation was exported, 14% of demand was met by imports.
November 12, 2025 at 8:11 AM
Renewable generation and pumped storage equalled 50% of yesterday's electricity demand, with a peak of 74% at 05:45. Fossil fuel generation (mostly gas) equalled 37% of demand. 1% of generation was exported, 14% of demand was met by imports.
Renewable generation and pumped storage equalled 21% of yesterday's electricity demand, with a peak of 45% at 00:00. Fossil fuel generation (mostly gas) equalled 58% of demand. 0% of generation was exported, 22% of demand was met by imports.
November 11, 2025 at 8:27 AM
Renewable generation and pumped storage equalled 21% of yesterday's electricity demand, with a peak of 45% at 00:00. Fossil fuel generation (mostly gas) equalled 58% of demand. 0% of generation was exported, 22% of demand was met by imports.
In this month's "Irish Grid Monthly":
- wind power and the RESS auctions
- Storm Amy
- disappointing solar generation
- are imports booting domestic wind generation off the grid?
- a new low for October carbon emissions
And much more!
www.greencollective.io/post/monthly...
- wind power and the RESS auctions
- Storm Amy
- disappointing solar generation
- are imports booting domestic wind generation off the grid?
- a new low for October carbon emissions
And much more!
www.greencollective.io/post/monthly...
Irish Grid Monthly: October 2025
www.greencollective.io
November 10, 2025 at 11:03 AM
In this month's "Irish Grid Monthly":
- wind power and the RESS auctions
- Storm Amy
- disappointing solar generation
- are imports booting domestic wind generation off the grid?
- a new low for October carbon emissions
And much more!
www.greencollective.io/post/monthly...
- wind power and the RESS auctions
- Storm Amy
- disappointing solar generation
- are imports booting domestic wind generation off the grid?
- a new low for October carbon emissions
And much more!
www.greencollective.io/post/monthly...