Data Center load tariff? UPDATE!
October 22nd, 2025
PUC extends Comment Period with Supplemental Comment due December 5, 2025. Schedule:
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Concerned about energy use of data centers? There’s a docket at the Public Utilities Commission focused on an Xcel Energy Petition of a tariff proposal for data centers. If you’re concerned about data centers sucking energy and that we may have to pay for the energy and infrastructure necessary to support the data centers, now’s the time to actually do something about it — you can “participate” by making comments, attending meetings, but most importantly, you can intervene in the process and become a party.
After Xcel filed its Petition, the Commission opened a Comment period, and with too much going on, I missed it completely! Out of the country, hard enough to get to the train on time, much less track filings at the PUC, that’s my excuse and I’m sticking to it!
There has been one extension already, initial comment deadline of October 13, 2025 and a reply comment deadline of November 5, 2025, and now a request from Minnesota Citizens Utility Board for another extension on this schedule:
With this CUB request for an extension of time for Comment, it’d be good to weigh in with a “me too” and also request more time! Here’s a simple example of how to request a time extension:
What did the Commission want to hear about? A LOT! And it’s COMPLICATED! On its earlier schedule, and even the proposed extension, it’s tough to imagine there’d be enough info to make a reasonable determination on all these issues (and there are likely more not amongst these questions!):
To review the docket, go to eDOCKETS HERE — and in this space, type in the docket number, 25-289:
Then the eDocket will come up and all documents filed will be there, with a link in the left with the document ID, click on it and check it out! At the docket page you can also subscribe, AND more importantly, sign up on eDockets (it’s simple, really) so you can directly upload Comments, and whatever filings — THIS IS IMPORTANT ACCESS AND IMPORTANT SO OTHERS KNOW OF YOUR FILINGS. Help is here: eFiling Help Instructions
Here’s Xcel’s proposal, pages 3-30 of the pdf are the narrative of Xcel’s proposal, and beyond that, the redline of Xcel’s tariff:
Here’s a filing to pay attention to — the Office of Attorney General, Residential Utilities Division. OAG-RUD does a good job of actually representing the ratepayers, and a good resource for information and ideas on positions to take. Here are Comments and a few Information Request responses (good to know what info they are interested in:
Another filing to pay attention to is Commerce-DER, Comments AND also some Information Request responses, and in this Comment they’re also requesting more information:
And while you’re at it, check ALL the Comments, and particularly the information requests that are filed with the two Comments above.
This is a major undertaking that, as noted by OAG-RUD and Commerce-EERA, requires more information and MORE TIME!
Now’s the time, folks, weigh in, and request a time extension for Comments!





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