Fenagy A/S

Founded in 2020, Fenagy A/S grew rapidly as a Danish OEM producing large-scale industrial CO₂ heat pump systems for District Heating, HVAC, and Data Center applications. Their systems use only natural refrigerants — CO₂ and hydrocarbons — and integrate with renewable energy sources, positioning them at the leading edge of sustainable energy infrastructure. As demand accelerated, so did the technical complexity of their control panel requirements. Their incumbent supplier was unable to match Fenagy's pace of innovation, high-volume delivery demands, or the need to continuously adapt designs to end-user specifications — creating a direct bottleneck on growth and product delivery.

In late 2023, Fenagy selected RLAY A/S — a partner of CUBIC, a Rockwell Automation company — as their new control panel supplier for the H-2600 Heat Pump and stainless steel evaporator enclosures. The engagement began with a joint effort to develop a standardized control panel architecture capable of supporting both efficient series production and rapid design adaptation. The pivotal technical element was CUBIC's Galaxy design software, which integrated directly with Fenagy's existing electrical CAD environment and enabled a shift from 2D to 3D design workflows, fully leveraging Digital Twin principles. This approach allows precise design changes to propagate immediately into production without disrupting the broader series manufacturing process. RLAY's 4,500 m² panel workshop and the CUBIC Modular System further streamlined assembly, ensuring consistent quality and shorter lead times at scale.

Fenagy's first control panel delivery from RLAY was completed within one month of the partnership starting — a meaningful proof point against the previous supplier's inability to meet pace. Within the first year, the production plan targeted 70 control panels and nearly 450 customized stainless steel enclosures. Key outcomes include:

• Faster time-to-delivery: First delivery completed within one month of engagement start
• High-volume production readiness: Capacity scoped for 70 control panels and ~450 stainless steel enclosures in year one
• Design agility: Digital Twin integration enables rapid, precise adjustments per end-user specification without restarting production workflows
• Scalable infrastructure: RLAY's modular production system positions Fenagy to absorb continued market growth

• Transitioning from 2D to 3D Digital Twin design workflows is a practical step for OEMs that need adaptable series production at high volumes
• Standardized production frameworks must have built-in flexibility from the start — retrofitting adaptability into rigid systems introduces costly delays in fast-moving markets
• For high-growth OEMs, supplier selection should weight collaborative capability (training, joint development, technical sparring) as heavily as raw production capacity
• Software integration compatibility matters: tools that connect with existing CAD environments reduce adoption friction and accelerate time-to-value
• First-delivery speed is a concrete signal of a supplier's true production readiness — use it as an early validation milestone