Delaware Heating Oil Prices in 2026
16 EIA surveys, Jan 5, 2026 to Oct 19, 2026 (year in progress)
Last updated
- Average
- $5.103
- High
- $6.431
- Oct 19
- Low
- $4.042
- Jan 5
- Against 2025
- Up +$1.053 (+26.0%)
- change in average
In 2026 so far, EIA published 16 residential heating oil prices for Delaware. They averaged $5.103 a gallon, from a low of $4.042 on January 5, 2026 to a high of $6.431 on October 19, 2026.
The average was 26.0% above 2025’s $4.050.
EIA surveys only during the heating season in most years, so there are no Delaware values for April, May, June, July, August and September.
Week by week
Every survey in 2026
| Month | Survey dates and prices | Month average |
|---|---|---|
| January | Jan 5$4.042Jan 12$4.083Jan 19$4.141Jan 26$4.345 | $4.153 |
| February | Feb 2$4.549Feb 9$4.569Feb 16$4.560Feb 23$4.563 | $4.560 |
| March | Mar 2$4.754Mar 9$5.602Mar 16$5.679Mar 23$5.913Mar 30$5.913 | $5.572 |
| October | Oct 5$6.196Oct 12$6.305Oct 19$6.431 | $6.311 |
Source: U.S. Energy Information Administration, weekly heating oil residential price table. Prices exclude taxes.
Heating oil — weekly Delaware, CSV (12 rows, from 2026-02-02 to 2026-10-19)
Columns: survey_date, area, fuel, price_usd_per_gallon_excl_taxes. Prices are residential, in dollars per gallon ($/gal), excluding taxes. Source: EIA.