ExecGraph / Turnaround Schedule
Turnaround Intelligence

2026 Gulf Coast Refinery Turnaround Schedule

Scheduled and projected turnarounds across 5 Gulf Coast markets. Covers 8 operators and 16 events. Turnaround planning begins 12 to 18 months before execution. Vendors who arrive after scope is set are arriving too late.

16
Scheduled Events
6
Confirmed
8
Operators
5
Markets

Q1 2026

2 events · 0 confirmed
Valero Energy
FCC turnaround at 268.5K bpd West plant.
Mar 2026 – Apr 2026 (40d)
probable
Shell
Crude Distillation Unit · shell-deer-park
CDU turnaround at 340K bpd Deer Park refinery.
Mar 2026 – Apr 2026 (45d)
possible

Q2 2026

4 events · 1 confirmed
Motiva Enterprises
Crude Distillation Unit · motiva-port-arthur
Major crude unit turnaround at 626K bpd refinery, the largest in North America.
Apr 2026 – May 2026 (45d)
possible
Motiva Enterprises
Delayed Coker · motiva-port-arthur
Coker overhaul synchronized with CDU turnaround. 95K bpd coker, 5 drum pairs.
Apr 2026 – May 2026 (40d)
possible
ExxonMobil
Delayed Coker · exxonmobil-beaumont
Coker drum overhaul including coke drum inspection, unheading valve replacement, and derrick maintenance. ~60K bpd.
May 2026 – Jun 2026 (45d)
confirmed
Sasol
Steam Cracker · sasol-lake-charles
Ethylene cracker turnaround at Lake Charles chemical complex. 1.5M tons/yr ethylene capacity.
Jun 2026 – Jul 2026 (40d)
possible

Q3 2026

3 events · 0 confirmed
Valero Energy
FCC turnaround at 380K bpd Port Arthur refinery. 75K bpd FCC.
Sep 2026 – Oct 2026 (40d)
probable
Valero Energy
Crude Distillation Unit · valero-corpus-east
CDU turnaround at 87.5K bpd East plant. 5 year cycle.
Sep 2026 – Oct 2026 (45d)
probable
Marathon Petroleum
FCC turnaround at 631K bpd refinery. One of the largest FCCs on the Gulf Coast at 219.5K bpd.
Sep 2026 – Oct 2026 (40d)
possible

Q4 2026

7 events · 5 confirmed
PBF Energy
Crude Distillation Unit · pbf-chalmette
Major CDU turnaround. 189K bpd refinery. Per OPIS Jan 2026 guidance, 50-55 day duration.
Oct 2026 – Nov 2026 (55d)
confirmed
PBF Energy
Delayed Coker · pbf-chalmette
Coker turnaround synchronized with CDU outage.
Oct 2026 – Nov 2026 (55d)
confirmed
ExxonMobil
Delayed Coker · exxonmobil-baytown
Coker turnaround at 564K bpd integrated refinery. 54K bpd coker capacity.
Oct 2026 – Nov 2026 (40d)
probable
CITGO Petroleum
Crude Distillation Unit · citgo-lake-charles
CDU turnaround at 427K bpd Lake Charles refinery.
Oct 2026 – Nov 2026 (45d)
possible
ExxonMobil
Fluid Catalytic Cracker · exxonmobil-beaumont
Full FCC turnaround including reactor, regenerator, and fractionator overhaul. ~120K bpd unit offline.
Dec 2026 – Jan 2027 (45d)
confirmed
ExxonMobil
Hydrotreater #2 · exxonmobil-beaumont
Second hydrotreater catalyst changeout during FCC window.
Dec 2026 – Dec 2026 (28d)
confirmed
ExxonMobil
Hydrotreater #1 · exxonmobil-beaumont
Hydrotreater catalyst changeout synchronized with FCC shutdown window.
Dec 2026 – Dec 2026 (28d)
confirmed

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Frequently Asked

Frequently Asked Questions about Gulf Coast Refinery Turnarounds

What is a refinery turnaround?

A turnaround is a planned shutdown of a refinery or chemical plant unit for maintenance, inspection, and repairs. Turnarounds typically last 20 to 60 days and involve hundreds of contractors and vendors.

When do Gulf Coast refinery turnarounds happen?

Gulf Coast turnarounds occur year-round but peak in Q1 (January through March) and Q4 (October through December) when demand for refined products is lower. Spring and fall windows are the most common.

How can vendors sell into turnaround projects?

Turnaround planning begins 12 to 18 months before execution. Vendors who engage procurement leads and turnaround planners early in the planning cycle have the highest win rates. ExecGraph tracks these decision makers.

How many Gulf Coast turnarounds are scheduled for 2026?

ExecGraph currently tracks 16 turnaround events across 5 Gulf Coast markets and 8 operators for 2026, with 6 confirmed.

How does ExecGraph verify turnaround schedules?

ExecGraph aggregates data from environmental permit filings, regulatory disclosures, operator announcements, and industry sources. Each event is classified as confirmed, probable, or possible based on source reliability.

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