Minnesota (MN) data center power coverage
Real, sourced large-load tariff and interconnection research on file for Minnesota — never inferred, never scraped, never implied beyond what's actually been checked.
Large-load tariffs
Northern States Power Co. (Xcel Energy Minnesota), very large customer tariffs
ThresholdNew loads of 100 MW or greater; or 20 MW to under 100 MW if system intensive
StatusMinnesota PUC decision (docket E-002/M-25-289, May 2026) approving Xcel's large-load tariffs. 15-year default contract term. Exit fee raised to 80% of contracted capacity. Xcel must create a separate large customer rate class for data centers.
Contract term15-year default contract term (PUC decision, May 2026)
RampNot stated in the filings we read
Take-or-pay (minimum bill)Not stated in the filings we read
CollateralNot stated in the filings we read
Exit feeExit fee raised to 80% of contracted capacity (PUC decision, May 2026)
Notice to reduce or endNot stated in the filings we read
Time to powerNot stated in the filings we read
SourceMinnesota PUC bulletin, Very Large Customer requirements (May 2026): https://content.govdelivery.com/accounts/MNPUBUC/bulletins/417d139
Minnesota Power / ALLETE (Minnesota) -- very large customer class, pending
ThresholdOtter Tail Super Large General Service: 25 MW single point, 80% load factor, 175,000 MWh a year (EEI); Minnesota Power and Otter Tail proposed classes: thresholds not confirmed (state law requires the PUC to set the very-large-customer definition by December 15, 2026)
StatusMIXED. Otter Tail's Super Large General Service has been in effect since July 2022 for greenfield customers (EEI). PENDING: Minnesota Power Docket 26-126 (filed February 18, 2026 to fit very large customers into its Large Power schedule; in June 2026 the PUC let Minnesota Power withdraw its separate very-large-customer class petition on condition that it file a new very-large-customer tariff by July 15, 2026) and Otter Tail Docket 26-211 (Tier II time-of-day and Tier III high power compute classes, filed May 2026). A Minnesota Power data center agreement under its Large Power schedule uses a 15-year term. For comparison, the MPUC approved a 15-year default term and 24-month exit notice for Xcel's Minnesota tariff. The pending tariff terms were not read (the e-filing system returns no text to our fetcher).
SourceMinnesota PUC page and July 2026 newsletter (mn.gov/puc, govdelivery); Minnesota Power March 2026 filing and April 2026 comment notice (legalectric.org copies); EEI list, Sept 2026. Pending tariffs not read.
Otter Tail Power (Minnesota) -- Super Large General Service in effect; new tiers pending
ThresholdOtter Tail Super Large General Service: 25 MW single point, 80% load factor, 175,000 MWh a year (EEI); Minnesota Power and Otter Tail proposed classes: thresholds not confirmed (state law requires the PUC to set the very-large-customer definition by December 15, 2026)
StatusMIXED. Otter Tail's Super Large General Service has been in effect since July 2022 for greenfield customers (EEI). PENDING: Minnesota Power Docket 26-126 (filed February 18, 2026 to fit very large customers into its Large Power schedule; in June 2026 the PUC let Minnesota Power withdraw its separate very-large-customer class petition on condition that it file a new very-large-customer tariff by July 15, 2026) and Otter Tail Docket 26-211 (Tier II time-of-day and Tier III high power compute classes, filed May 2026). A Minnesota Power data center agreement under its Large Power schedule uses a 15-year term. For comparison, the MPUC approved a 15-year default term and 24-month exit notice for Xcel's Minnesota tariff. The pending tariff terms were not read (the e-filing system returns no text to our fetcher).
SourceMinnesota PUC page and July 2026 newsletter (mn.gov/puc, govdelivery); Minnesota Power March 2026 filing and April 2026 comment notice (legalectric.org copies); EEI list, Sept 2026. Pending tariffs not read.
Interconnection & regulatory guidance
Utility-specific — no statewide guidance resolves without naming a utility, but real tariff research exists above for Northern States Power Co. (Xcel Energy Minnesota), very large customer tariffs and Minnesota Power / ALLETE (Minnesota) -- very large customer class, pending and Otter Tail Power (Minnesota) -- Super Large General Service in effect; new tiers pending. Interconnection process for a specific utility can be confirmed directly once that utility is identified for your site.
Land-constraint screening
Every Kill Test automatically screens against 6 nationwide land-constraint layers, Minnesota included — no state-by-state gaps here.
FEMA Flood ZoneNearby WetlandsProtected / Conservation LandCritical HabitatSeismic HazardTribal Land
Related reporting
← Back to full coverage
Evaluating a specific parcel in Minnesota?
Start a Qualification Review