# 2026 AUSTRALIAN GRAND PRIX

## 06 - 08 March 2026

The FIA Formula One Technical Delegate From The FIA Formula One Technical Delegate To The Stewards Document 52

Date 08 March 2026 Time 12:23 Title Technical Delegate's Report Description New PU elements for this Competition

**Enclosed 01 AUS GP 26 TDR7.pdf Jo Bauer**

## 2026 AUSTRALIAN GRAND PRIX

## 06 - 08 March 2026

From : The FIA Formula 1 Technical Delegate

To : The Stewards Date : 08 March 2026

## TECHNICAL DELEGATE'S REPORT

The following driver will be using a new energy store unit (ES) for the remainder of the Competition:

## Number Car Driver Previously used ES

55 Atlassian Williams Mercedes Carlos Sainz 1

The energy store unit used by Carlos Sainz is one (1) of the three (3) new energy store units allowed for the 2026 Championship season and this is in conformity with B8.2.2 d) of the 2026 Formula One Sporting Regulations.

The following driver will be using a new control electronics unit (PU-CE) for the remainder of the Competition:

## Number Car Driver Previously used PU-CE

55 Atlassian Williams Mercedes Carlos Sainz 1

The control electronics unit used by Carlos Sainz is one (1) of the three (3) new control electronics units allowed for the 2026 Championship season and this is in conformity with B8.2.2 e) of the 2026 Formula One Sporting Regulations.

The following drivers will be using a new power unit ancillary component (PU-ANC) for the remainder of the Competition:

## Number Car Driver Previously used PU-ANC

55 Atlassian Williams Mercedes Carlos Sainz 1 18 Aston Martin Aramco Honda Lance Stroll 1 05 Audi Gabriel Bortoleto 1

The power unit ancillary component used by the above drivers is one (1) of the six (6) new power unit ancillary components allowed for the 2026 Championship season and this is in conformity with B8.2.2 g) of the 2026 Formula One Sporting Regulations.