F1 Canada power unit usage update: Ferrari under control as some rivals approach critical limits. An in-depth technical analysis of the 2026 F1 power unit allocations.

Canadian GP 2026 – Power Unit situation

On the eve of the fifth round of the 2026 Formula 1 season, power unit component management is already becoming an area that deserves close attention. The Canadian Grand Prix arrives relatively early in the championship, but the latest FIA documents show that several teams have already started rotating key components, with very different strategic approaches emerging between those carefully distributing mileage and those already moving closer to more sensitive thresholds. This is particularly relevant given that the ADUO system will allow teams to bring not only fresh parts to the track, but also upgraded ones.

The new power unit regulations demand more delicate planning than in previous years. With the removal of the MGU-H and a much heavier reliance on the electrical side of the power unit, reliability, cooling, and energy management have become central factors over what remains a very long calendar. Montreal, with its heavy braking zones and repeated traction phases, also provides a meaningful test for evaluating how components already used in the opening races are coping.

The regulatory framework is defined by Article B8.2 – Power Unit Limitations & Usage of the sporting regulations, which establishes the maximum number of usable components, counting criteria, and the penalties applied when limits are exceeded.

During the championship, each driver is permitted to use:

• 3 internal combustion engines (ICE)
• 3 turbochargers (TC)
• 3 exhaust systems (EXH)
• 2 energy stores (ES)
• 2 power unit control electronics (PU-CE)
• 2 MGU-K units
• 5 power unit ancillary components (PU-ANC)

When a driver exceeds the limit in a given category, grid penalties are triggered. The first extra component costs a 10-place grid drop, while each additional component of the same category carries a further five-place penalty. These penalties accumulate and are applied at the first event where the new component is introduced.

If multiple extra units of the same category are introduced during the same weekend, only the final one fitted can be used in subsequent Grands Prix without triggering additional penalties. Certain parts classified as EXC or minor components may still be replaced without penalty, provided the intervention takes place under FIA supervision and with compliant replacement parts.

For 2026 only, as the opening year of the new technical cycle, the regulations grant each driver one additional unit in every category. The practical limits therefore increase to:

• 4 ICE
• 4 turbochargers
• 4 exhaust sets
• 3 energy stores
• 3 PU-CE units
• 3 MGU-K units
• 6 PU-ANC components

This season also includes a specific exemption for new power unit manufacturers entering the regulatory cycle, such as Ford and Audi, which receive one extra unit in each category. The FIA also retains the right to revise these limits should widespread reliability concerns emerge.

Updated table of components used by each driver in 2026

(Data updated based on the FIA communication regarding new power unit elements introduced for the 2026 Canadian Grand Prix)

* New manufacturer exemption applies (one additional unit per category)

Current situation

The latest FIA update for the 2026 Canadian Grand Prix already offers a meaningful snapshot of how teams are managing their power units. Even though the championship is only approaching its fifth round, several drivers have already introduced second ICEs, turbochargers, and exhaust systems, while some situations on the electrical side are becoming increasingly delicate.

Ferrari arrives in Canada with Charles Leclerc and Lewis Hamilton perfectly aligned across almost every key category. Both drivers have already used two ICEs, two turbochargers, two exhaust systems, two MGU-K units, two energy stores, two control electronics, and two ancillary components. It is a tidy, well-managed situation with no immediate warning signs.

Lando Norris presents a more sensitive case, already reaching three energy stores, three PU-CE units, and three ancillary components. George Russell, Andrea Kimi Antonelli, and Carlos Sainz have also already used three ancillary elements, while Lance Stroll has progressed significantly further into his rotation, with three energy stores, three control electronics, and four ancillary components. Fernando Alonso, meanwhile, has already reached four ancillary elements, making Aston Martin one of the most interesting teams to monitor.

The most delicate situation remains that of Isack Hadjar, who with Red Bull Racing RB Ford has already reached three ICEs, three turbochargers, and three exhaust systems, in addition to four energy stores and four PU-CE units. The additional allowance granted to new power unit manufacturers helps absorb some of that exposure, but the figures underline how heavily incidents and reliability events can influence component strategy.

At Audi, Nico Hülkenberg and Gabriel Bortoleto have already reached their third MGU-K allocation, taking advantage of the extra margin granted to new manufacturers as the team continues working through turbo-related issues.

The highly varied component usage tracked ahead of the 2026 Canadian Grand Prix emphasizes the immense engineering strain these next-generation hybrid power units place on manufacturing cycles. While operations like Ferrari have managed to stabilize their thermal degradation patterns across the opening four rounds, heavy consumption rates at McLaren, Aston Martin, and Red Bull Ford indicate that software-driven workarounds are actively being deployed to hide early hardware vulnerabilities. Navigating a relentless modern F1 calendar requires long-term component preservation, and those teams already pushing the absolute limits of their ancillary and energy store allocations will face severe tactical constraints as high-speed, high-temperature venues approach. Ultimately, the teams that master the delicate balance between maximum electrical deployment and hardware longevity will secure a defining competitive advantage, turning power unit sustainability into a primary championship weapon.