Home›Propane Guides›Propane for Generators on Long Island: Tank Size, Refills and Quote Questions SUFFOLK COUNTY PROPANE GUIDE
Propane for Generators on Long Island: Tank Size, Refills and Quote Questions
Updated September 8, 2026
Generator propane accounts can look very different from home-heating accounts. Some tanks may sit mostly full for long periods, while an extended outage can create sudden demand.
Pricing source note: Public benchmark references come from NYSERDA's New York Home Propane Price Monitoring Program. Long Island combines Nassau and Suffolk. Benchmarks are informational and are not guaranteed dealer quotes.
Tell the provider the generator load
The propane company or qualified installer needs the generator specifications and other connected propane appliances to determine appropriate storage and regulator requirements. Do not choose tank capacity from an online article alone.
Think about refill strategy before an outage
- How often the provider serves your ZIP code
- Whether monitoring is available
- Automatic refill options
- Emergency-delivery policy
- Minimum delivery amount
- Whether the tank is customer-owned or supplier-owned
Why generator-only pricing can differ
A generator account may use fewer annual gallons than a heating customer even if the tank is fairly large. Because delivery economics depend on annual gallons and route efficiency, the per-gallon price can differ.
Monitoring can be especially useful
Remote tank monitoring can help the homeowner and provider see actual tank level without relying only on manual gauge checks, which can be useful for backup-power accounts that do not consume propane steadily.
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Frequently Asked Questions
What size propane tank do I need for a generator?
It depends on generator capacity, expected runtime, other propane loads and site conditions. A qualified propane provider or installer should size the system.
Can I compare propane suppliers for a generator tank?
Yes if the tank ownership and account terms allow supplier choice. Include the generator use case when requesting quotes.
Is remote monitoring useful for generator propane?
It can be, because generator fuel use may be irregular and the tank can otherwise go long periods without being checked.
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