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Texas: Build an auditable result instead of a sales story
Start with EIA: natural gas volume, heat content and energy units. The table below links this decision to the represented gas companies in Texas. It does not establish service or supplier availability for every account.
Define the counterfactual
Retain what the business would otherwise have paid for the same service months and quantities. Identify whether that is an existing contract, an effective utility supply component or another dated written offer. Do not switch baselines after seeing the result.
Bridge model to invoices
Separate quantity changes from comparable price changes, then reconcile fixed charges, retained delivery and timing corrections. Preserve enrollment confirmation and invoices before presenting an actual outcome. A favorable calculator scenario is only a model.
Texas utility application
| Gas service company | Evidence needed for the baseline | Primary reference |
|---|---|---|
| Atmos Energy West Texas | Commercial sales gas-cost component versus supplier gas, transport and retained charges | Official program / tariff |
| Atmos Energy Mid-Tex | Commercial sales gas-cost component versus supplier gas, transport and retained charges | Official program / tariff |
| Texas Gas Service | Commercial sales gas-cost component versus supplier gas, transport and retained charges | Official program / tariff |
| Corpus Christi Gas | Municipal gas customer, delivery and supply charges | Official program / tariff |
| CenterPoint Energy Houston gas | Commercial sales gas-cost component versus supplier gas, transport and retained charges | Official program / tariff |
| CenterPoint Energy South Texas gas | Commercial sales gas-cost component versus supplier gas, transport and retained charges | Official program / tariff |
| CPS Energy | Utility sales alternative versus transport service and customer-owned gas costs | Official program / tariff |
Atmos Energy West Texas: the program detail behind this decision
Texas electricity shopping rules do not establish natural-gas supplier choice. Gas service depends on the distributor, rate jurisdiction and tariff. A transportation arrangement must be qualified for the account; compare it with the actual utility commercial sales alternative and account for the remaining delivery obligations. Program Texas; Texas Rrc Tariffs.
Apply the evidence to an account file
The case file needs comparable evidence for Commercial sales gas-cost component versus supplier gas, transport and retained charges. First establish Gas operating division, incorporated/unincorporated jurisdiction and commercial class so the proposed baseline is an available alternative for this account.
Worked case: distinguish a model from an observed result
For a hypothetical 10,000-therm account, $0.80 per therm plus $20 monthly models to $8,240. An alternative at $0.76 plus $60 monthly models to $8,320. That is an $80 increase in the defined supply scope, not a saving. This conclusion is still only a scenario until eligibility, accepted enrollment and actual comparable invoices are established. Keep the same quantity and delivery period in both calculations. Do not present these invented inputs as a local client case or publish them as market rates.
Turn the review into a calculation
Compare constant supply rates and fees. Enter documented assumptions in matching energy units. Keep any charge outside both supply offers separate; the result does not establish eligibility or an available quote.
Read the Texas 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
- EIA: natural gas volume, heat content and energy units
- Railroad Commission of Texas Gas Services
- Corpus Gas
- CPS Energy: NGT transportation tariff attachment, effective February 2024
- Texas Rrc Tariffs
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.