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Indiana: Budget the exposed components rather than one future rate
Start with EIA: supply, demand, weather and storage price drivers. The table below links this decision to the represented gas companies in Indiana. It does not establish service or supplier availability for every account.
Create a scenario register
Keep monthly usage, index assumptions, location differential, fixed charges and exposed adjustments in separate columns. Name the source and observation date for market data. A supplier’s written formula determines how an observation reaches the bill.
Use a revision trigger
Set an internal review date and identify operational changes that justify a new budget: closure, added shifts, equipment replacement or a corrected baseline. Keep a downside scenario visible without presenting it as a prediction or creating unsupported urgency.
Indiana utility application
| Gas service company | Component requiring a separate forecast | Primary reference |
|---|---|---|
| CenterPoint Energy Indiana North | Customer-facility charges, supply component and transport/pooling charges | Official program / tariff |
| NIPSCO | Utility gas-cost adjustment versus supplier supply charges and fees | Official program / tariff |
| CenterPoint Energy Indiana South | Sales gas cost versus transportation, customer-facility and pooling charges | Official program / tariff |
| Citizens Gas | Utility gas delivery and administrative charges versus third-party gas supply | Official program / tariff |
CenterPoint Energy Indiana North: the program detail behind this decision
Indiana North’s gas tariff identifies Indiana Gas Company as the operating company and lists its own service locations and rate schedules. Keep it separate from CenterPoint Indiana South, Ohio and Houston: the common brand does not make the transportation eligibility rules interchangeable. Centerpoint In North Tariff Alternate.
Apply the evidence to an account file
Give Customer-facility charges, supply component and transport/pooling charges its own documented model assumptions. Validate Indiana North sales or transportation schedule and applicable annual/daily-use category before using a utility comparison component; a forecast for a different class is not this meter’s available alternative.
An assumption register that can be updated without rewriting history
Record each month’s therms, price mechanism, assumed benchmark, location/service adders, recurring fees and retained utility charges. Keep the original budget alongside revisions and actuals. Change one driver at a time to identify sensitivity, then test a combined adverse scenario. For a fixed commodity offer, leave that defined component fixed over its contractual months while varying usage and genuinely exposed items. Do not apply a current spot observation to every future month or label an invented scenario as the forecast available to the customer.
Turn the review into a calculation
Build a monthly weighted budget. 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 Indiana 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: supply, demand, weather and storage price drivers
- Centerpoint In North Tariff Alternate
- Indiana OUCC NIPSCO Choice
- Centerpoint In South Tariff
- Citizens Gas Delivery
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.