Propane and Heating Oil Contracts, Decoded: Pre-Buy vs. Price Cap vs. Budget Plan

Every fall, the mailers land: lock in your price before winter. What they rarely say plainly is that "locking in" is three different products wearing similar names. A pre-buy, a price cap, and a budget plan solve three different problems — one buys price certainty, one buys a ceiling, and one buys nothing but smoother payments.

October is when this gets decided, because enrollment windows close before the heating season. In Connecticut, dealers are actually barred by law from signing pre-buy contracts after October 31. Wherever you live, the time to read the fine print is now, not during the first cold snap.

The plans, side by side

Everything below is the fine print behind that table — the fees, the minimums, the leftover gallons, and the questions that separate a fair contract from an expensive misunderstanding.

Pre-buy: certainty, paid for in advance

In a pre-buy program, you and the dealer agree before the season on a price and an amount of fuel. You pay for all of it up front, and you hold a claim on those gallons, delivered as you need them through the winter. Connecticut's Department of Consumer Protection describes it exactly that way: you pre-buy the fuel, and you should expect it to be delivered.

The mechanics that matter:

• There's usually a minimum purchase, and it varies. State and association guidance notes most pre-buy dealers require a minimum and tie the offer to automatic delivery. Published dealer minimums we checked ranged from 300 to 600 gallons. There is no standard number — it's whatever your dealer's contract says.
• Burn more than you bought, and the rest is market price. Once your prepaid gallons are used up, further deliveries bill at the market rate on delivery day.
• Burn less, and the leftover rules are the contract's, not yours. This is the single most variable term in the business. One dealer's published terms convert undelivered gallons to a dollar credit (not gallons). Another credits unused gallons at current market rates after the season — not at your locked price. A third requires the gallons be used by March 31 with no refunds or credits at all. New Hampshire law gives its consumers a floor: dealers there must reimburse the contract price for undelivered pre-purchased fuel within 30 days after the contract ends, unless both sides agreed to different terms. Read your leftover clause before you sign, not in April.
• The dealer's solvency is part of the deal. Connecticut's consumer agency says it plainly: companies that miscalculated their price or supplies have run out of fuel or gone out of business, leaving pre-buy customers out in the cold. You're handing over a season's fuel money months before the last gallon arrives. Several Northeastern states regulate this risk directly — see "Your state may already have rules" below.

What moves the number on a pre-buy offer: the price per gallon itself (set against the dealer's summer view of winter prices, not today's spot price), the gallon commitment versus what you realistically burn, the leftover-gallons clause, and whether taxes and delivery fees sit outside the contract price — some dealers' terms explicitly exclude them.

Fixed price without prepaying

A fixed-price contract locks the per-gallon price for the season but bills you per delivery instead of up front. The trade is the same as pre-buy in one direction — the price doesn't move even if the market does, up or down — without handing over the full season's money in September.

Two things to check. First, some fixed programs carry an annual enrollment fee on top of the locked price: one national propane company's published fixed-price program lists a $119 annual enrollment fee ($99 with paperless billing), checked October 2026. That's one company's terms, not a going rate — but it proves the fee line exists, so ask for yours. Second, a fixed contract is binding once signed; Maine's energy office reminds consumers of exactly that. If you break it, the contract may still require you to pay for the full amount, delivered or not.

Price cap: a ceiling, not a price

A cap contract puts a maximum on your price per gallon for the term. If the market climbs past the cap, you pay the cap. If the market sits below it, you pay the lower market price. It's the only common plan where a price drop still benefits you.

The catch is the fee. Cap protection is insurance, and dealers charge for it — as a per-gallon fee on covered gallons, or as a flat, often non-refundable enrollment fee. EIA reported dealers charging an extra 25 to 40 cents per gallon for price-cap protection — that figure is from 2011, so treat it as evidence the fee is real and material, not as a current quote. Your dealer's current fee is the number that matters, and it should be in writing.

Do the break-even math before you sign: the cap only pays off if market prices rise far enough above the cap, for enough of your gallons, to earn back the fee. A cap set far above today's market price, plus a fee, can be protection in name only.

What moves the number on a cap offer: how far the cap sits above the current market price, the fee (per gallon or flat), how many gallons the cap covers, and how the "market price" you'll be compared against is defined — get it spelled out in the contract, including how and when your price comes down when the market falls.

Budget plan: a payment plan, not a price plan

A budget plan usually means a fixed monthly payment, regardless of how much fuel you actually used that month, spread over 9 to 12 months of a one-year term. The problem it solves is real: most of a year's heating cost lands in the coldest three or four months, and a budget plan flattens that spike into equal payments.

What it does not do, by itself, is control the price. Connecticut's consumer guidance is explicit: fuel on a budget plan may be priced at the market price on the actual day of delivery — or the budget plan may be combined with a cap or fixed price. Those are different products at different costs. If a salesperson says "budget plan" and you hear "price protection," stop and ask which one you're actually getting.

Budget plans usually come with conditions: established dealers commonly require automatic delivery and buying all of your fuel from them, and combined budget-plus-fixed plans can require a credit application and payments kept current — miss payments and the price protection can lapse back to retail pricing. At the end of the term there's typically a settle-up between what you paid and what you actually burned; ask how your dealer handles it.

What happens if prices fall

This is the question the mailers don't answer, so here it is plan by plan:

• Pre-buy: Nothing good. You are committed to your price until the prepaid gallons are gone. Connecticut's consumer agency warns that pre-season prices are not guaranteed to be the season's lowest — their example: Connecticut fuel prices were actually lower in December 2014 than in the months leading up to winter.
• Fixed price: Same lock, both directions. You keep paying the agreed price.
• Price cap: You pay the lower market price. This is the one plan designed for this scenario — and the fee you paid is simply the cost of having had the ceiling.
• Budget plan: Your per-gallon cost falls with the market, but your monthly payment was set from an estimate, so the difference shows up at settle-up.
• No contract: You pay the low price in full — the mirror image of paying the spike in full.

Your state may already have rules

Prepaid fuel is one of the more regulated corners of home heating in the Northeast, because the failure mode — a dealer holding hundreds of customers' winter money — is so costly. Two examples, labeled as the state-specific rules they are:

• New Hampshire (RSA 339:79): within 7 days of accepting a prepaid contract, a dealer must secure it with one of: futures or firm supply commitments covering at least 75% of the maximum gallons committed, a surety bond of at least 50% of the consumer funds collected, a letter of credit for 100% of the dealer's cost of the committed gallons, or liquid product inventory. Dealers must also register their intent to offer prepaid contracts with the state.
• Connecticut (CGS § 16a-23n and related law): dealers must secure prepaid contracts with supply or futures covering at least 80% of committed gallons, or a surety bond of at least 50% of consumer funds — and, as noted above, pre-buy contracts may only be signed April 1 through October 31.

Other states differ or have no equivalent law. Your state consumer-protection office or attorney general is the authoritative source for your address — and "how is this contract secured?" is a fair question to put to any dealer, regulated state or not.

Questions to ask before you sign

Connecticut's consumer agency lists what any fuel contract must state at minimum. Use it as a checklist, and get the answers in writing:

• What is the total amount I'm required to pay — including every fee, tax, and delivery charge?
• What are the start and end dates, and the maximum number of gallons committed?
• What steps has the dealer taken to make sure enough fuel will be available to cover its contracts?
• If prices drop, does my price drop? (If the answer is no, you're looking at fixed or pre-buy, whatever the brochure calls it.)
• What exactly is the fee for price protection — per gallon or flat — and is it refundable?
• What happens to gallons I paid for but didn't burn? At what value, and by what date?
• If I burn more than the contract covers, what price do the extra gallons bill at?
• What does breaking the contract cost me?
• After the term ends, do deliveries stop, or continue at market price unless I say otherwise in writing? (In Connecticut, they continue — you must notify the dealer in writing to stop.)

When a contract won't help

• You're selling the house or switching fuels this year. A season-long gallon commitment and a heat-pump installation don't mix; contracts generally bind you to the full amount even if you stop taking deliveries.
• Your usage is small or unpredictable. Minimum purchases are sized for full-season heating customers. If you burn a few hundred gallons, the market price plus our propane price checker or heating oil price checker to sanity-check each delivery may serve you better than any contract.
• The cash matters more than the certainty. A pre-buy ties up a full season of fuel money in the fall. A budget plan or a cap buys most of the peace of mind without the lump sum.
• You can't verify the dealer. A locked price from a dealer who can't show how the contract is secured isn't protection; it's a loan to a fuel company. Established dealers in regulated states can answer the securing question in one sentence.

Already have a locked price? Run it through the calculator

Whatever you sign, the contract price is only half the story — what matters is what that fuel costs per unit of heat your equipment actually delivers. Plug your locked price into our heating fuel cost calculator next to the other fuels at their current prices. It compares oil, propane, gas, heat pumps, wood, and pellets in dollars per million BTU with your numbers, which is the honest way to see whether this year's contract — or next year's fuel switch — actually pencils out. And for the full picture of how your system turns fuel into heat, start with how home heating works.