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EnergySavings · North Dakota · Comparison

Montana-Dakota Utilities Co vs Cass County Elec Coop Inc: who pays less in North Dakota?

Data as of: EIA-861 annual 2024 (released 2025) · EIA monthly state prices February 2026 · EIA weekly heating-fuel survey Mar 30, 2026 · retail-choice registry reviewed Jun 2026 · URDB tariffs pulled Jun 2026. Page generated 2026-06-12.

Montana-Dakota Utilities Co customers paid less: an average 11.72¢/kWh in 2024 versus 12.45¢/kWh at Cass County Elec Coop Inc (EIA-861) — a gap of 0.73¢/kWh, worth about $79 per year at typical usage (10,800 kWh/yr). Their territories meet in 3 ND counties (Dickey, LaMoure, Richland). You cannot switch wires companies — the territory is set by your address.

Side by side (ND, EIA-861)

Montana-Dakota Utilities Co vs Cass County Elec Coop Inc — residential averages from federal EIA-861 filings
MetricMontana-Dakota Utilities CoCass County Elec Coop Inc
2024 average price, ¢/kWh11.7212.45
2023 average price, ¢/kWh11.0011.96
Annual cost at 10,800 kWh, $/yr$1,265$1,344
Residential customers (2024)79,35451,968
OwnershipInvestor-ownedCo-op
Counties served in ND298

Average price = residential revenue ÷ sales (bundled service): the all-in price customers actually paid, including supply, delivery and riders. Profiles: Montana-Dakota Utilities Co · Cass County Elec Coop Inc · North Dakota overview.

Where the territories meet

Both utilities file EIA-861 service territory in: Dickey · LaMoure · Richland counties (ND, 2024).

Adjoining or overlapping territory in a county does not mean households there can pick between the two — service maps are parcel-level and fixed. The county overlap mainly matters when choosing where to live or comparing town-level costs.

Can you actually choose between them?

No — not for delivery. Distribution territories are exclusive and set by address; Montana-Dakota Utilities Co and Cass County Elec Coop Inc do not compete for the same meters. North Dakota is a regulated retail market — there is no residential supplier shopping; rates are set in utility-commission proceedings (psc.nd.gov). The price gap above mainly matters when choosing where to live, comparing towns, or benchmarking your bill.

Questions people ask

Is Montana-Dakota Utilities Co cheaper than Cass County Elec Coop Inc?
Yes — in 2024 Montana-Dakota Utilities Co customers averaged 11.72 cents/kWh versus 12.45 for Cass County Elec Coop Inc (EIA-861). Montana-Dakota Utilities Co was cheaper by 0.73 cents, about $79 per year at 10,800 kWh.
Can I switch from Cass County Elec Coop Inc to Montana-Dakota Utilities Co?
No — distribution territories are exclusive and set by address; you cannot pick between the two wires companies. North Dakota has no residential supplier shopping either; rates are set in utility-commission proceedings.
Why is Cass County Elec Coop Inc more expensive than Montana-Dakota Utilities Co?
EIA-861 averages reflect everything customers actually paid — supply costs, delivery rates, riders, and surcharges across each territory. Differences in generation mix, grid investment, storm costs, and customer density between Cass County Elec Coop and Montana-Dakota Utilities territory all feed the 0.73-cent gap.
About these numbers. Rates shown are averages computed from federal regulatory filings (EIA Form 861) and public tariff databases — confirm with your utility before making decisions; your actual rate depends on your tariff, usage, and riders. Distribution utility is determined by address and generally cannot be chosen; in retail-choice states you may choose your supplier for the supply portion of the bill. Savings figures use 10,800 kWh/yr (US average residential usage) and are estimates, not quotes. EnergySavings is an independent data project by CertiHomes and is not affiliated with any utility, supplier, or government agency.