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Wyoming: Trace a change from filing to the affected account
Start with FERC: interstate and intrastate pipeline responsibilities. The table below links this decision to the represented gas companies in Wyoming. It does not establish service or supplier availability for every account.
Keep a tariff change record
Record issuing utility, docket or filing reference, affected schedule, approval status, effective date and the first service period affected. Compare the approved sheet with the account’s actual classification.
Treat branding and enrollment separately
A company acquisition or a renamed program does not by itself establish a new price, automatic contract cancellation or eligibility at another utility. Retain customer notices and confirm the legal company and effective service rules.
Wyoming utility application
| Gas service company | Schedule and implementation evidence | Primary reference |
|---|---|---|
| Black Hills Wyoming Gas | Participating town, Choice Gas division and account selection packet | Official program / tariff |
| Black Hills Wyoming Gas | Cheyenne or Cody division and applicable gas schedule | Official program / tariff |
| Enbridge Gas Wyoming | Enbridge Wyoming commercial sales or qualified transportation | Official program / tariff |
| Montana-Dakota Utilities | State-specific firm general gas or transportation schedule | Official program / tariff |
| Wyoming Gas Company | Wyoming Gas commercial or industrial class | Official program / tariff |
Black Hills Wyoming Gas: the program detail behind this decision
Black Hills’ Wyoming Choice Gas town list separates Casper, Gillette and Torrington divisions and explains that prices or confirmation codes may differ by division. Cheyenne, Cody and other utilities’ towns must not be added merely because they are in Wyoming. Use the account’s selection packet and next applicable window. Wy Choice; Bh Wy Choice Towns.
Apply the evidence to an account file
Match a proposed or approved change to Participating town, Choice Gas division and account selection packet. Reopen the effective company reference and confirm Correct division confirmation code and account-specific selection deadline instead of importing a rule from another service company.
A change log with an explicit implementation gate
Use a row for the company, source URL, document type, schedule, status, approval date, effective date, affected accounts and action owner. A proposed sheet can inform a sensitivity scenario while remaining outside the effective budget. After approval, verify the final sheet rather than assuming the requested amount survived. For an ownership change, attach the service notice and identify any separate legacy rate areas. Retain the prior reference for earlier billing periods so corrections can be checked against the right rules.
Turn the review into a calculation
Plan notice and enrollment milestones. The planner uses your calendar-day inputs and does not send notices or confirm a utility enrollment date.
Read the Wyoming utility guide for the wider service-company distinctions. Convert billed gas units using the bill’s heat-content factor when moving from volume to energy.
Sources and review notes
- FERC: interstate and intrastate pipeline responsibilities
- Wy Choice
- Bh Wy Tariff
- Enbridge Wy Tariff
- Mdu Tariffs
- Wyogas Current Rules
- Bh Wy Choice Towns
- Black Hills Wyoming Choice Gas
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.