Montana-Dakota Utilities service to the Leola site, South Dakota

SD PUC EL24-028: MDU Rate 45 service agreement with Leola Data Center (pending)

Regulatory or tariff proceeding

Pending proceeding This is an open proceeding, not a final rule or tariff approval.

Scope

South Dakota Public Utilities Commission Docket EL24-028 is reviewing Montana-Dakota Utilities Co.'s request, filed 5 August 2024, for approval of an electric service agreement under Rate 45 with Leola Data Center LLC, which MDU's filing letter says provides for the sale of all electric power required by the data center to be located near MDU's Leola 115kV substation. The docket page showed the docket as pending on 5 October 2026, with MDU supplemental filings dated 18 September 2026 and a confidential data-request response dated 2 October 2026.

Geographic scope
Montana-Dakota Utilities service to the Leola site, South Dakota
Jurisdiction
State
Authority type
Regulator or commission
Issuing authority
South Dakota Public Utilities Commission

Dates

Adopted
No adoption day is recorded
Effective
Not in effect (open proceeding)
Scheduled expiration
None scheduled
Ended
Not recorded as ended
Completion condition
None stated
Source document
5 August 2024
Last checked
5 October 2026

Summary

Montana-Dakota Utilities Co. asked the South Dakota Public Utilities Commission on 5 August 2024 to approve an electric service agreement under its Rate 45 with Leola Data Center LLC for a data center near MDU's Leola substation. The docket remained pending on 5 October 2026; MDU made supplemental filings on 18 September 2026 and, per the docket list, filed confidential responses to Staff's fourth data requests on 2 October 2026 after the related provider-assignment docket (EL24-027) closed. No Commission decision on the agreement is recorded.

What this does not establish

  • This is an open proceeding on a utility request, not a Commission approval; any order will be its own record.
  • The agreement and its terms are filed confidentially; only the public filing letter was read.
  • The customer-specific agreement does not change the general Rate 45 schedule recorded separately.

Unresolved questions

  • Whether and on what terms the Commission will approve the agreement.

Relationships

Supersession means a later instrument replaces the earlier legal effect. Repeal links identify the repeal instrument and the measure it ends. A later implementation or related letter is not treated as a replacement unless the record says so.

Sources

Primary source

https://puc.sd.gov/commission/dockets/electric/2024/EL24-028/LTR080524.pdf

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