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Match seasonal gas usage to contract pricing in Connecticut

EIA identifies weather, storage and demand as gas-price influences. This does not establish that every winter price will exceed every summer price. Match monthly usage with the price mechanism and service obligations that actually apply.

Reviewed October 16, 2026

By Commercial Gas Rates editorial team · Educational guidance; verify account-level terms.

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Connecticut: Build a month-by-month exposure map

Start with EIA: supply, demand, weather and storage price drivers. The table below links this decision to the represented gas companies in Connecticut. It does not establish service or supplier availability for every account.

Use weighted prices

For each month, multiply projected therms by that month’s assumed supply price. Add applicable fixed fees separately. An unweighted average gives a low-volume summer month the same influence as a high-volume heating month.

Separate price exposure from operating exposure

A fixed commodity component does not establish firm transportation or remove a curtailment obligation. Ask operations to review notice and response requirements independently of finance’s price scenario.

Connecticut utility application

Gas service companySeasonal cost and service exposurePrimary reference
Southern Connecticut GasPURA approval, utility-active marketer and accepted start dateOfficial program / tariff
Yankee Gas / EversourcePURA approval, utility-active marketer and accepted start dateOfficial program / tariff
Connecticut Natural GasPURA approval, utility-active marketer and accepted start dateOfficial program / tariff
Norwich Public UtilitiesNPU commercial terms and any available supplier arrangementOfficial program / tariff

Southern Connecticut Gas: the program detail behind this decision

PURA describes firm transportation for commercial and industrial customers. The state’s approved gas-marketer information and the actual distribution company’s active enrollment requirements answer different questions. The town roster identifies the gas distributor separately from interstate transmission pipelines. Program Connecticut.

Apply the evidence to an account file

In the monthly budget, keep Marketer supply, utility transportation and any metering or data charges visible. Obtain the service response for PURA approval, utility-active marketer and accepted start date before assuming that a winter price arrangement also guarantees the required operating flexibility.

Worked check: an average can hide the heating load

Assume a hypothetical two-month illustration uses 3,000 therms at $1.00 and 1,000 therms at $0.60. The commodity total is $3,600 and the usage-weighted price is $0.90 per therm. The simple average price is $0.80; applying it to 4,000 therms understates the illustration by $400. No fees or delivery charges are included. This is arithmetic, not a claim about which local months or prices will be higher. Use all twelve actual delivery months for the real budget.

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 Connecticut 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

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.

A practical next step

Put the full contract in view.

Ask about your utility, supply terms or renewal. Keep account numbers and documents out of the initial inquiry.

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