Heating oil cost per gallon
EIA SHOPP residential national: $5.54/gal EIA (last survey, week of 2026-03-30). NY Harbor ULSD wholesale spot: $5.34/gal EIA (daily). That retail dollar breaks down into crude basis, refining, distribution, dealer margin, and tax (below). Off-season EIA pauses the retail survey Apr to Sep, resumes 2026-10-05.
How much is 100 gallons of heating oil?
At the latest EIA residential national average of $5.54/gal (week of 2026-03-30), 100 gallons costs about $554. Across the 8 Northeast states, 100 gallons runs $516 to $587.
EIA pauses the retail survey Apr to Sep, so this carries the last in-season reading. The NY Harbor ULSD wholesale spot is $5.34/gal (EIA, daily), currently just under the frozen retail print. EIA
8 Northeast states, ~80% of US #2 oil consumption
ME 58% of homes heat with oil, CT 31%, VT 39%, NH 36%, RI 27%, MA 21%, PA 14%, NY 13%. Click any tile for state price, dealer programmes, and 5-year history. EIA
If you fill 200 gallons today at $5.54, it costs $1108
Run the full lab: cold-winter HDD +15%, crude shock 0 to 50%, programme select (will-call, auto, pre-buy fixed, cap with fee, budget). Three sub-pages share one engine. Numbers come from the calculateFill formula in /lib/calculate.ts, verifiable against EIA gallons-times-price.
Where the $5.54 retail dollar goes
Crude is the volatile line. Refining widens in winter (crack spread). Dealer margin compresses on competition, expands on the cap-fee programmes. Tax is small but state-variable. EIA