Renewable generation and discharging storage equalled 18% of yesterday's electricity demand, with a peak of 25% at 00:15. Fossil fuel generation (mostly gas) equalled 59% of demand. 0% of generation was exported, 24% of demand was met by imports.

Renewable generation and discharging storage equalled 31% of yesterday's electricity demand, with a peak of 47% at 08:15. Fossil fuel generation (mostly gas) equalled 47% of demand. 0% of generation was exported, 23% of demand was met by imports.

Renewable generation and discharging storage equalled 40% of yesterday's electricity demand, with a peak of 49% at 06:45. Fossil fuel generation (mostly gas) equalled 38% of demand. 0% of generation was exported, 24% of demand was met by imports.

Happy new year! 🎈 December's "Irish Grid Monthly" is out! A few highlights: - new wind and battery records 🍃 🔋 - low solar ☀️ - revamped county ranking section 🥇 - carbon emissions 🏭 - ongoing issues with unit-level data ⚙️ And much more! Free to all newsletter subscribers -- sign up today!

Happy new year! 🎈 December's "Irish Grid Monthly" is out! A few highlights: - new wind and battery records 🍃 🔋 - low solar ☀️ - revamped county ranking section 🥇 - carbon emissions 🏭 - ongoing issues with unit-level data ⚙️ And much more! Free to all newsletter subscribers -- sign up today!

Renewable generation and discharging storage equalled 38% of yesterday's electricity demand, with a peak of 46% at 04:15. Fossil fuel generation (mostly gas) equalled 34% of demand. 0% of generation was exported, 29% of demand was met by imports.

Renewable generation and discharging storage equalled 15% of yesterday's electricity demand, with a peak of 35% at 00:45. Fossil fuel generation (mostly gas) equalled 61% of demand. 0% of generation was exported, 26% of demand was met by imports.

Renewable generation and discharging storage equalled 19% of yesterday's electricity demand, with a peak of 28% at 02:15. Fossil fuel generation (mostly gas) equalled 61% of demand. 0% of generation was exported, 21% of demand was met by imports.

Renewable generation and discharging storage equalled 13% of yesterday's electricity demand, with a peak of 26% at 00:45. Fossil fuel generation (mostly gas) equalled 63% of demand. 0% of generation was exported, 26% of demand was met by imports.

Renewable generation and discharging storage equalled 19% of yesterday's electricity demand, with a peak of 54% at 01:45. Fossil fuel generation (mostly gas) equalled 61% of demand. 0% of generation was exported, 21% of demand was met by imports.

Renewable generation and discharging storage equalled 52% of yesterday's electricity demand, with a peak of 57% at 04:45. Fossil fuel generation (mostly gas) equalled 40% of demand. 0% of generation was exported, 10% of demand was met by imports.

Renewable generation and discharging storage equalled 42% of yesterday's electricity demand, with a peak of 62% at 03:45. Fossil fuel generation (mostly gas) equalled 46% of demand. 0% of generation was exported, 13% of demand was met by imports.

December 25 is just about the only day when electricity demand in Ireland peaks around lunchtime rather than in the evening 🎄 When else can you expect this behaviour? Easter Sunday. We love our roasts! 🍗 Renewables supplied over half of this year's Christmas Day electricity 🔌 #SpeirGorm

December 25 is just about the only day when electricity demand in Ireland peaks around lunchtime rather than in the evening 🎄 When else can you expect this behaviour? Easter Sunday. We love our roasts! 🍗 Renewables supplied over half of this year's Christmas Day electricity 🔌 #SpeirGorm

Renewable generation and discharging storage equalled 53% of yesterday's electricity demand, with a peak of 65% at 23:45. Fossil fuel generation (mostly gas) equalled 35% of demand. 0% of generation was exported, 14% of demand was met by imports.

Renewable generation and discharging storage equalled 41% of yesterday's electricity demand, with a peak of 54% at 22:45. Fossil fuel generation (mostly gas) equalled 47% of demand. 0% of generation was exported, 14% of demand was met by imports.

Thanks to the ongoing mess around unit-level data, we can only now confirm a new battery record last Friday, Dec 19: 430MW, or ~7% of demand at the time 🥇 Strong batteries the past few nights too which is good with the current low winds although still well below the ~1GW current total capacity.

Renewable generation and discharging storage equalled 21% of yesterday's electricity demand, with a peak of 31% at 18:15. Fossil fuel generation (mostly gas) equalled 54% of demand. 0% of generation was exported, 26% of demand was met by imports.

A little behind the scenes at the engineering department... Keen readers may spot a few changes, e.g. the most recent solar record falls from 934MW -> 870MW owing to "spiky" real-time figures from EirGrid. We'll flag that in future, but the story doesn't change -- and we're committed to accuracy 🎯

So, the latest here is...we don't really know what's going on 😜 Although we've updated our pipeline to use the new format for metered generation, the old format is *also* still being published...sometimes? Anyway, our December newsletter will still arrive in all subscribers' inboxes on January 1 🥳

Renewable generation and discharging storage equalled 18% of yesterday's electricity demand, with a peak of 29% at 04:15. Fossil fuel generation (mostly gas) equalled 57% of demand. 0% of generation was exported, 26% of demand was met by imports.

Renewable generation and discharging storage equalled 21% of yesterday's electricity demand, with a peak of 34% at 04:15. Fossil fuel generation (mostly gas) equalled 54% of demand. 0% of generation was exported, 26% of demand was met by imports.

Renewable generation and discharging storage equalled 65% of yesterday's electricity demand, with a peak of 90% at 06:15. Fossil fuel generation (mostly gas) equalled 41% of demand. 8% of generation was exported, 3% of demand was met by imports.

Renewable generation and discharging storage equalled 62% of yesterday's electricity demand, with a peak of 86% at 06:15. Fossil fuel generation (mostly gas) equalled 28% of demand. 1% of generation was exported, 13% of demand was met by imports.

L'Irlande est le co-leader mondial en part de production éolienne terrestre. Pour tout savoir : @greencollective.io 💪 L'Irlande qui fonce sur le solaire : 2 000 MW déjà installés, dont la moitié en toiture. 👍 Qui innove : une installation PV gratuite pour les "personnes médicalement vulnérables".👏

Renewable generation and discharging storage equalled 56% of yesterday's electricity demand, with a peak of 73% at 23:45. Fossil fuel generation (mostly gas) equalled 31% of demand. 0% of generation was exported, 14% of demand was met by imports.

Renewable generation and discharging storage equalled 64% of yesterday's electricity demand, with a peak of 92% at 05:15. Fossil fuel generation (mostly gas) equalled 32% of demand. 5% of generation was exported, 10% of demand was met by imports.

Renewable generation and discharging storage equalled 31% of yesterday's electricity demand, with a peak of 86% at 23:45. Fossil fuel generation (mostly gas) equalled 50% of demand. 1% of generation was exported, 20% of demand was met by imports.

Renewable generation and discharging storage equalled 16% of yesterday's electricity demand, with a peak of 27% at 03:30. Fossil fuel generation (mostly gas) equalled 59% of demand. 0% of generation was exported, 25% of demand was met by imports.

Resurfacing Saturday's wind record again, just for any folks who may have missed it over the weekend... ⏰

Renewable generation and discharging storage equalled 72% of yesterday's electricity demand, with a peak of 87% at 03:45. Fossil fuel generation (mostly gas) equalled 28% of demand. 6% of generation was exported, 6% of demand was met by imports.

Ireland just saw its all-time wind power record broken twice in the past 8 days 🥇🥈 Prior to December, we hadn't seen a new record for more than 18 months. Unusual to see it broken over the weekend when demand is lowest and has already started to tail off before Christmas. #SpeirGorm

Ireland just saw its all-time wind power record broken twice in the past 8 days 🥇🥈 Prior to December, we hadn't seen a new record for more than 18 months. Unusual to see it broken over the weekend when demand is lowest and has already started to tail off before Christmas. #SpeirGorm

Good. But not enough. There have been no new wind farms in windy West Cork for years. We could be exporting electricity to France and the UK, and making a profit.

Woah

This is amazing!

🚨 At 5pm yesterday, wind power on the island of Ireland reached a new all-time high: 4675MW, or more than 75% of electricity demand at the time. This breaks the previous record of 4671MW set just last week 😮

Renewable generation and discharging storage equalled 76% of yesterday's electricity demand, with a peak of 86% at 21:45. Fossil fuel generation (mostly gas) equalled 27% of demand. 5% of generation was exported, 2% of demand was met by imports.

Renewable generation and discharging storage equalled 46% of yesterday's electricity demand, with a peak of 61% at 23:00. Fossil fuel generation (mostly gas) equalled 39% of demand. 0% of generation was exported, 14% of demand was met by imports.

Renewable generation and discharging storage equalled 48% of yesterday's electricity demand, with a peak of 95% at 03:45. Fossil fuel generation (mostly gas) equalled 41% of demand. 5% of generation was exported, 15% of demand was met by imports.

Renewable generation and discharging storage equalled 73% of yesterday's electricity demand, with a peak of 92% at 00:00. Fossil fuel generation (mostly gas) equalled 24% of demand. 4% of generation was exported, 7% of demand was met by imports.

Mystery solved: SEMO moved to a new format for metered data. If any notice was given, we (long-time, heavy SEMO users and frequent filers of republishing and other requests) missed it; so far, nothing helpful from SEMO via email. Well, we'll be updating our pipeline, so... 🙄 Stay tuned!

Renewable generation and discharging storage equalled 73% of yesterday's electricity demand, with a peak of 87% at 05:00. Fossil fuel generation (mostly gas) equalled 25% of demand. 3% of generation was exported, 5% of demand was met by imports.

A new Irish wind record was set Friday morning 🥇 We've been planning to highlight the top wind farms, examine dispatch down, and compare with the previous record from way back in March 2024. However, SEMO hasn't published unit-level data since *last Wednesday* 😲 Not sure what's happening!

Renewable generation and discharging storage equalled 58% of yesterday's electricity demand, with a peak of 81% at 04:15. Fossil fuel generation (mostly gas) equalled 36% of demand. 3% of generation was exported, 9% of demand was met by imports.

Recent changes to scheduling and dispatch for batteries on the grid have had an immediate effect 🔋 Read all about it in November's "Irish Grid Monthly", now freely available. Newsletter subscribers receive it every month on the first; sign-up for free today! www.greencollective.io/post/monthly...

Recent changes to scheduling and dispatch for batteries on the grid have had an immediate effect 🔋 Read all about it in November's "Irish Grid Monthly", now freely available. Newsletter subscribers receive it every month on the first; sign-up for free today! www.greencollective.io/post/monthly...

Renewable generation and discharging storage equalled 43% of yesterday's electricity demand, with a peak of 67% at 00:00. Fossil fuel generation (mostly gas) equalled 39% of demand. 0% of generation was exported, 18% of demand was met by imports.

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.

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