U.S. Energy Information Administration

Isobutylene

EIA petroleum sum snd data for Isobutylene.

Series

normalized EIA series

Observations

1,979

records in the database

Latest record

28 Feb 2026

newest observation

Cadences

annual, monthly

Stale petroleum series

14 of 24 series for this product have not updated within their expected cadence. They remain available for historical analysis.

API endpoint

/v1/commodities/eia-petroleum-isobutylene-43c5552996/series

Discover EIA petroleum series for this product before fetching observations with /v1/commodity-series/{series_slug}.

Series chart

Selected series performance

Series

Latest

No value

No observation

Change

No prior value

52W high

No value

No observation

52W low

No value

No observation

ATH

No value

No observation

ATL

No value

No observation

Series

Available petroleum series

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlyPADD 1monthly33 MBBL28 Feb 2026 · 196 rows

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlyPADD 1monthly1 MBBL/D28 Feb 2026 · 217 rows

Midwest (PADD 2) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp21-monthlyPADD 2Stalemonthly15 MBBL31 Mar 2019 · 62 rows

Midwest (PADD 2) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp22-monthlyPADD 2Stalemonthly0 MBBL/D31 Mar 2019 · 62 rows

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp31-monthlyPADD 3Stalemonthly2 MBBL31 Dec 2025 · 205 rows

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp32-monthlyPADD 3Stalemonthly0 MBBL/D31 Dec 2025 · 219 rows

Rocky Mountain (PADD 4) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp41-monthlyPADD 4Stalemonthly-18 MBBL28 Feb 2019 · 8 rows

Rocky Mountain (PADD 4) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp42-monthlyPADD 4Stalemonthly-1 MBBL/D28 Feb 2019 · 9 rows

West Coast (PADD 5) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp51-monthlyPADD 5Stalemonthly-6 MBBL28 Feb 2014 · 10 rows

West Coast (PADD 5) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp52-monthlyPADD 5Stalemonthly0 MBBL/D28 Feb 2014 · 34 rows

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlyU.S.monthly33 MBBL28 Feb 2026 · 390 rows

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlyU.S.monthly1 MBBL/D28 Feb 2026 · 390 rows

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-annualPADD 1annual300 MBBL31 Dec 2025 · 18 rows

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-annualPADD 1annual1 MBBL/D31 Dec 2025 · 20 rows

Midwest (PADD 2) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp21-annualPADD 2Staleannual45 MBBL31 Dec 2019 · 8 rows

Midwest (PADD 2) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp22-annualPADD 2Staleannual0 MBBL/D31 Dec 2019 · 8 rows

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp31-annualPADD 3annual19 MBBL31 Dec 2025 · 21 rows

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp32-annualPADD 3annual0 MBBL/D31 Dec 2025 · 23 rows

Rocky Mountain (PADD 4) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp41-annualPADD 4Staleannual-21 MBBL31 Dec 2019 · 3 rows

Rocky Mountain (PADD 4) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp42-annualPADD 4Staleannual0 MBBL/D31 Dec 2019 · 4 rows

West Coast (PADD 5) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp51-annualPADD 5Staleannual-10 MBBL31 Dec 2014 · 2 rows

West Coast (PADD 5) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp52-annualPADD 5Staleannual0 MBBL/D31 Dec 2014 · 4 rows

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-annualU.S.annual319 MBBL31 Dec 2025 · 33 rows

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-annualU.S.annual1 MBBL/D31 Dec 2025 · 33 rows

Latest observations

Recent records

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly33 MBBL28 Feb 2026

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly1 MBBL/D28 Feb 2026

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlymonthly33 MBBL28 Feb 2026

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlymonthly1 MBBL/D28 Feb 2026

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly43 MBBL31 Jan 2026

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly1 MBBL/D31 Jan 2026

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlymonthly43 MBBL31 Jan 2026

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlymonthly1 MBBL/D31 Jan 2026

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-annualannual300 MBBL31 Dec 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly5 MBBL31 Dec 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-annualannual1 MBBL/D31 Dec 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly0 MBBL/D31 Dec 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp31-annualannual19 MBBL31 Dec 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp31-monthlymonthly2 MBBL31 Dec 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp32-annualannual0 MBBL/D31 Dec 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp32-monthlymonthly0 MBBL/D31 Dec 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-annualannual319 MBBL31 Dec 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlymonthly7 MBBL31 Dec 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-annualannual1 MBBL/D31 Dec 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlymonthly0 MBBL/D31 Dec 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly16 MBBL30 Nov 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly1 MBBL/D30 Nov 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp31-monthlymonthly1 MBBL30 Nov 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp32-monthlymonthly0 MBBL/D30 Nov 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlymonthly17 MBBL30 Nov 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlymonthly1 MBBL/D30 Nov 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly4 MBBL31 Oct 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly0 MBBL/D31 Oct 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp31-monthlymonthly1 MBBL31 Oct 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp32-monthlymonthly0 MBBL/D31 Oct 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlymonthly5 MBBL31 Oct 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlymonthly0 MBBL/D31 Oct 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly44 MBBL30 Sept 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly1 MBBL/D30 Sept 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp31-monthlymonthly2 MBBL30 Sept 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp32-monthlymonthly0 MBBL/D30 Sept 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlymonthly46 MBBL30 Sept 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlymonthly2 MBBL/D30 Sept 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly40 MBBL31 Aug 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly1 MBBL/D31 Aug 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp31-monthlymonthly2 MBBL31 Aug 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp32-monthlymonthly0 MBBL/D31 Aug 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlymonthly42 MBBL31 Aug 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlymonthly1 MBBL/D31 Aug 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly37 MBBL31 Jul 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly1 MBBL/D31 Jul 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp31-monthlymonthly2 MBBL31 Jul 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp32-monthlymonthly0 MBBL/D31 Jul 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlymonthly39 MBBL31 Jul 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlymonthly1 MBBL/D31 Jul 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly22 MBBL30 Jun 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly1 MBBL/D30 Jun 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp31-monthlymonthly2 MBBL30 Jun 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp32-monthlymonthly0 MBBL/D30 Jun 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlymonthly24 MBBL30 Jun 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlymonthly1 MBBL/D30 Jun 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly18 MBBL31 May 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly1 MBBL/D31 May 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp31-monthlymonthly2 MBBL31 May 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp32-monthlymonthly0 MBBL/D31 May 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlymonthly20 MBBL31 May 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlymonthly1 MBBL/D31 May 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly38 MBBL30 Apr 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly1 MBBL/D30 Apr 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp31-monthlymonthly2 MBBL30 Apr 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp32-monthlymonthly0 MBBL/D30 Apr 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlymonthly40 MBBL30 Apr 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlymonthly1 MBBL/D30 Apr 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly42 MBBL31 Mar 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly1 MBBL/D31 Mar 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp31-monthlymonthly2 MBBL31 Mar 2025

Gulf Coast (PADD 3) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp32-monthlymonthly0 MBBL/D31 Mar 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlymonthly44 MBBL31 Mar 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlymonthly1 MBBL/D31 Mar 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly25 MBBL28 Feb 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly1 MBBL/D28 Feb 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpus1-monthlymonthly25 MBBL28 Feb 2025

U.S. Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpus2-monthlymonthly1 MBBL/D28 Feb 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels)eia-petroleum-petroleum-sum-snd-miyrpp11-monthlymonthly9 MBBL31 Jan 2025

East Coast (PADD 1) Refinery and Blender Net Production of Isobutylene (Thousand Barrels per Day)eia-petroleum-petroleum-sum-snd-miyrpp12-monthlymonthly0 MBBL/D31 Jan 2025

Sources and methodology

Source: U.S. Energy Information Administration (EIA) Open Data. Petroleum series include the cadence, product group, process, and geography published by EIA. World Price Index normalizes source data for charting and API access and does not imply EIA endorsement.