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Montana-Dakota Utilities Co.: what it publishes for small generators (qualifying facilities) under PURPA, field by field, with the source for each. Checked on October 4, 2026.
When this may change: Rates may be updated annually, in correlation with the Company's annual Power Supply Cost Adjustment filing.
Rates, eligibility and contract terms change: confirm them with the utility or the state utility commission before relying on them.
| Schedule | Parallel Generation Rate 57 (W.P.S.C. Tariff No. 2, Original Sheet Nos. 70 and 70.1)Source: montana-dakota.com: WYElectric57.pdf · checked 2026-10-04 | |||||||||
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| Docket or order | WPSC Docket No. 20004-174-ER-25 (Record No. 17880); sheet stamped approved by the Public Service Commission of Wyoming Note: WPSC public notice lists the MDU general electric rate case as Docket No. 20004-174-GR-25 (Record No. 17880); the tariff sheet prints 20004-174-ER-25. Source: montana-dakota.com: WYElectric57.pdf · checked 2026-10-04 | |||||||||
| Effective date | 2026-04-01 Note: Filed January 23, 2026; service rendered on and after April 1, 2026. Source: montana-dakota.com: WYElectric57.pdf · checked 2026-10-04 | |||||||||
| Next update | Rates may be updated annually, in correlation with the Company's annual Power Supply Cost Adjustment filing.Source: montana-dakota.com: WYElectric57.pdf · checked 2026-10-04 | |||||||||
| Size cap | Published Parallel Generation rates (energy plus capacity) apply to QF facilities rated 100 kW or less; facilities 101 kW and greater get individual agreements. Partial Requirements Customers (self-supply facilities above the 25 kW net-metering limit) receive the energy payment only.Source: montana-dakota.com: WYElectric57.pdf · checked 2026-10-04 | |||||||||
| Resource types | Any customer with PURPA Section 201 qualifying status as a cogenerator or small power producer; one rate for all resource types.Source: montana-dakota.com: WYElectric57.pdf · checked 2026-10-04 | |||||||||
| Energy rate structure | Flat energy payment per kWh received (no time-of-use or seasonal split), plus a monthly capacity payment per kW for qualifying Parallel Generation Customers 100 kW or less; customer pays a monthly Basic Service Charge and is billed for its own usage at its retail class rate (not net metered).Source: montana-dakota.com: WYElectric57.pdf · checked 2026-10-04 | |||||||||
| Energy rates (sample cells) |
Copied as printed: a few labelled cells, not the full rate matrix. The whole schedule is linked below. Source: montana-dakota.com: WYElectric57.pdf · checked 2026-10-04 | |||||||||
| Capacity payment | $8.29 per kW received per month for Parallel Generation facilities 100 kW or less, paid only to QFs that actually reduce the demand charges MDU pays Black Hills Power; kW measured at the time of MDU's monthly system peak.Source: montana-dakota.com: WYElectric57.pdf · checked 2026-10-04 | |||||||||
| Contract terms | Not stated in the source. Unverified. We could not fully confirm this from a primary document; see the note. Check the source before using it. Note: Rate 57 prints no contract term; it requires an Interconnection Agreement and refers facilities 101 kW and greater to individual agreements. Source: montana-dakota.com: WYElectric57.pdf · checked 2026-10-04 | |||||||||
| Price fixity | Not fixed: payments follow the tariff rate in effect, which may be updated annually with the Power Supply Cost Adjustment filing.Source: montana-dakota.com: WYElectric57.pdf · checked 2026-10-04 | |||||||||
| Schedule link | https://www.montana-dakota.com/wp-content/uploads/PDFs/Rates-Tariffs/Wyoming/Electric/WYElectric57.pdfSource: montana-dakota.com: WYElectric57.pdf · checked 2026-10-04 |
Values are copied as printed in the source. Where a value draws on more than one document, every source is listed, primary first.
Also in Wyoming: Cheyenne Light (Black Hills Energy), Rocky Mountain Power. All 59 utilities. Get every utility as CSV/JSON.