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Gas service evidence for Billings
The reviewed community and regional records identify the following gas service route for Billings: NorthWestern Energy; Montana-Dakota Utilities. These records identify where to begin a business gas review; they do not establish a connected main, delivery capacity or supplier eligibility for a particular building.
Both NorthWestern’s gas report and Montana-Dakota’s community list include Billings. NorthWestern’s community entry is not evidence of citywide gas coverage; determine which company actually delivers to each premises.
More than one company appears in the reviewed Billings area evidence. Compare the legal delivery company and service address on each gas bill before selecting a program. The alternatives below are separate utility reviews, not a menu of distribution companies that every property can choose.
NorthWestern Energy — NorthWestern Montana core aggregation and transport
For Billings, start with NorthWestern Energy: territory or community record. The utility’s Montana gas report records community-level customers; a listing can represent limited coverage rather than all properties within city limits.
NorthWestern’s Montana gas schedule list distinguishes general gas distribution, general core aggregation, firm transportation and interruptible transportation. Those are different arrangements with separate conditions. Confirm the legal gas operation and both distribution and upstream obligations before treating a commodity quote as a replacement for bundled service.
- Account classification to resolve
- General sales, core aggregation or qualified firm/interruptible transportation schedule
- Cost components to separate
- Distribution, supply, upstream transportation and any storage or aggregation fees
- Service conditions to confirm
- Applicable operating company, capacity and balancing responsibilities
Primary program and tariff references: Nwe Mt Rates; Nwe Mt Aggregation.
Montana-Dakota Utilities — Montana-Dakota sales versus transportation
For Billings, start with Montana-Dakota Utilities: territory or community record. Community names and regional maps are starting evidence. Use the delivering gas company and service class on the premises’ bill to select the effective tariff.
Montana-Dakota publishes separate state tariffs with firm general sales and transportation schedules. A similarly named city in another state or a Black Hills Choice Gas packet is not evidence of participation here. Start from the operating state and the actual service category.
- Account classification to resolve
- State-specific firm general gas or transportation schedule
- Cost components to separate
- Purchased-gas adjustment under sales versus transportation and retained gas obligations
- Service conditions to confirm
- Transportation qualification, balancing and any negotiated service agreement
Primary program and tariff references: Mdu Tariffs.
Use the Billings bill in the right calculator
For an account on NorthWestern Energy; Montana-Dakota Utilities, copy billed consumption, billing dates and the tariff’s energy unit before entering a rate. A total utility bill divided by volume mixes supply with customer, delivery and other charges; it is not automatically a comparable commodity price.
- Convert Ccf, Mcf, therms, MMBtu or Dth: use the heat-content factor on the actual bill when converting volume to energy. Keep the original and converted figures together.
- Compare two flat-rate supply offers with account fees: enter matching annual therms and complete recurring supplier fees. Keep retained utility charges outside both offers consistently.
- Build a monthly gas budget: use this when winter volume or monthly prices vary. Annual average prices can conceal different monthly exposure.
- Plan contract notice and renewal dates: enter the written agreement’s notice and lead times; confirm enrollment timing with the actual distributor.
These tools calculate scenarios locally in your browser. They do not establish program eligibility, submit a cancellation or transmit calculator figures with an inquiry.
Questions for a Billings commercial gas review
Can every Billings business change gas suppliers?
No citywide eligibility conclusion follows from a community listing. The applicable Montana utility tariff, commercial class and accepted supplier or transportation arrangement determine the account’s options. Municipal, cooperative and investor-owned accounts can follow different rules.
Does this guide quote a current business gas rate?
No. The primary references explain service and program structure. Obtain an effective tariff and a written offer for the same usage, delivery months and cost scope. This guide does not present a public average as a price available to your business.
Continue the Montana review
Sources and review notes
Reviewed October 16, 2026. Program information can change. Confirm the effective utility tariff, supplier availability and written offer before proceeding. Examples and planning tools are educational; they are not executable quotes or verified customer results.