Achieving the Seemingly Impossible: Greenfield Global Plant Commissioning

Greenfield Global faced a critical challenge when commissioning a new pharmaceutical-grade ethanol production facility in Ireland in 2020: COVID-19 lockdown restrictions made it impossible for engineers to travel to site for traditional Factory Acceptance Testing (FAT) and commissioning activities. In the pharmaceutical sector, ethanol is a regulated ingredient in sanitizers, excipients, and solvent applications — demand had surged during the pandemic precisely when the project faced its most severe logistical constraints. Delays to commissioning would have meant lost revenue at a moment of peak market demand, and jeopardized the project's full-production timeline entirely.

Greenfield Global and system integrator Alpha Automation deployed Rockwell Automation's PlantPAx 5.0 Distributed Control System, leveraging its built-in remote commissioning and virtual FAT capabilities — a digital twin approach that allowed engineers to validate control logic and I/O configurations without being physically present on site. The PlantPAx 5.0 platform enabled remote access to the control environment, so Rockwell Automation and Alpha Automation engineers could conduct acceptance testing, troubleshoot sequences, and sign off on functionality from off-site locations across different countries. This virtual commissioning workflow replaced what would traditionally require weeks of on-site presence, integrating seamlessly with the plant's process control architecture from the outset.

Despite the constraints of a pandemic-era commissioning, the project hit every major milestone. FAT testing was completed on schedule within 4 weeks, and the Ireland facility went live in October 2020 — shipping product to customers before year-end. Total time from commissioning start to full production came in at under 10 months. Key outcomes included:

• FAT completed remotely and on schedule, with no requirement for international travel
• Plant operational and revenue-generating before end of 2020
• Full production capacity reached within 10 months of project start
• Demonstrated that pandemic-era restrictions did not require timeline concessions

• Remote commissioning capability should be a baseline requirement, not an emergency fallback — PlantPAx 5.0's virtual FAT tools proved that distributed testing is viable for complex process plants.
• System integrator selection matters: Alpha Automation's familiarity with the PlantPAx ecosystem was critical to executing remote FAT without on-site escalation.
• Digital twin investment pays off under constraint — the virtual commissioning environment reduced travel dependencies and compressed the timeline rather than extending it.
• For pharmaceutical and regulated-process facilities, establishing remote-accessible control architecture early in design avoids costly retrofits when access is restricted.
• Tight deadlines in high-demand markets justify the premium for modern DCS platforms with integrated remote tooling.