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Delaware: Measure consumption before attributing savings
Start with DOE FEMP: boiler purchasing, sizing and lifecycle analysis. The table below links this decision to the represented gas companies in Delaware. It does not establish service or supplier availability for every account.
Build the operating baseline
Record actual billing periods, estimated readings, operating hours and occupancy or production. Separate space heating from process and hot-water use where the available data permits. Explain changes before comparing periods.
Reconcile engineering and procurement
Have qualified personnel evaluate controls, equipment and service capacity. Update the contracted volume forecast after a project and review tolerance or minimum-volume terms. Verify program eligibility and preapproval before treating an incentive as funded.
Delaware utility application
| Gas service company | Contract component to revisit after load reduction | Primary reference |
|---|---|---|
| Delmarva Power | Utility gas-cost component, delivery and any transport-related costs | Official program / tariff |
| Chesapeake Utilities Delaware Division | Applicable customer, supply/transport and pool-manager charges | Official program / tariff |
Delmarva Power: the program detail behind this decision
Delaware’s energy-security plan distinguishes Delmarva’s northern gas distribution area from Chesapeake’s system. Delmarva’s gas service should be reviewed under its Delaware commercial gas tariff. Its electric supply shopping information and Chesapeake transportation terms answer different questions. Delaware State Territories; Delmarva Gas Tariff.
Apply the evidence to an account file
After reducing forecast consumption, revisit Utility gas-cost component, delivery and any transport-related costs. Ask whether the revised operating load changes Delmarva Delaware commercial gas sales or qualified transportation or any conditions associated with Actual delivery territory and written gas transportation eligibility.
Worked check: fixed charges do not fall with every therm
Assume hypothetical use of 10,000 therms at a constant $0.80 supply price and a $30 monthly supply fee. Modeled supply cost is $8,360. If use falls ten percent to 9,000 therms with the same price and fee, the total becomes $7,560: an $800 reduction, or about 9.57 percent of that supply total. This excludes delivery, taxes and project costs and proves no equipment result. The illustration shows why a percentage therm reduction is not automatically the same percentage dollar reduction.
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 Delaware 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
- DOE FEMP: boiler purchasing, sizing and lifecycle analysis
- Delaware State Territories
- Chesapeake De Tariff
- Delmarva Gas Tariff
- Delaware PSC natural gas regulation
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.