10 Lessons From Running the World's Largest Renewable Fuel Refinery


This briefing presents ten operational lessons drawn from the construction and operation of one of the largest renewable fuel refinery. These lessons span mechanical integrity, fire and process safety, inspection and statutory compliance, instrumentation, rotating equipment, process integration, and operational readiness. They are intended for engineers, project managers, and operations leaders involved in the delivery and operation of renewable fuel refineries.

These lessons were not written in a conference room. They were written in fires, hydrogen leaks, premature plant shutdowns, numerous unit trips and outages from design and construction flaws. Every one of them had a known prevention.


  1. Independent Verification Over Self-Certification — Safety-critical mechanical work (e.g., flange assemblies in high-temperature or hydrogen service) should never rely solely on the installing contractor's own quality sign-off. Independent third-party verification should be mandatory before commissioning with hot or hazardous fluids.
  2. Treat Every Incident as a Population Risk — A single fire, leak, or safety event is rarely isolated, especially in a newly built plant. Any incident should immediately trigger a full audit of all equipment sharing the same design, service, or construction batch — not just the affected unit.
  3. Baseline Data Is a Prerequisite for Inspection, Not an Afterthought — Baseline thickness or condition measurements on pressure-containing equipment must be captured at handover. Without a reference point, corrosion monitoring and inspection interval-setting have no defensible technical basis.
  4. Statutory Compliance Planning Belongs at the Design Stage — Registration and inspection obligations for pressure equipment and other regulated assets should be mapped out from early design (FEED), with registration dates staggered to avoid inspection deadlines clustering right after start-up.
  5. Instrumentation Must Be Specified for Upset Conditions, Not Just Normal Operation — Safety-critical instruments should be specified and tested against the full range of process disturbances they may encounter, not only steady-state conditions. Standard loop checks alone are insufficient to catch this class of design gap.
  6. Utility Systems Supporting Safety Systems Deserve Safety-Critical Design Rigor — Support utilities (such as instrument air) that feed safety-relevant devices should be sized using dynamic demand modeling, not static peak assumptions, and their stability should be proven before commissioning.
  7. Basic Equipment Checklists Prevent Early-Life Failures — Pre-commissioning checklists for rotating equipment should explicitly verify fundamentals like priming, venting, and seal-system readiness. Skipping these basics leads to avoidable early failures and potential safety or environmental consequences.
  8. Spares Strategy Requires Engineering Discipline, Not Default Assumptions — Capital and critical spares should be selected through a structured reliability-based review involving operations and maintenance — not left to contractor discretion — to avoid significant over- or under-investment.
  9. Design Basis Must Reflect Actual Operating Rates Before Procurement Locks In — When integrating or connecting process units, hydraulic and capacity studies should be based on real anticipated operating rates, not original design assumptions, and should be completed early enough to still influence equipment selection.
  10. Operational Readiness Is a Commissioning Deliverable, Not a Post-Handover Task — Preventive maintenance programs, criticality rankings, and handover packages to operations should be fully defined, reviewed, and signed off before a facility transitions to commercial operation — not developed reactively afterward.




These lessons do not have to be written again.

Every one of these failures had a known prevention. Apply them at FEED — not in the incident investigation report.