Solis

A car that runs
on daylight.

Hyperion Origin in profile: a long, flat deck of solar cells, a small canopy near the front, three enclosed wheels.

Designed, built and raced by students at the Technical University of Cluj-Napoca.

Next start line: Darwin, Australia, 22 August 2027.

Join the teamBecome a partner

Hyperion, from every side.

Our fifth car, and the one that covered 2,700 km of Australia on solar power. Drag it round, or pick a part.

Hyperion Origin seen from the rear right.

 

Weight
194kg
Top speed
120km/h
Solar array
5.89m²
Battery
3kWh
Motor, at peak
5kW

Five cars in five years.

Each one taught us what to change in the next. The sixth is on the drawing board.

2021

Solis EV1

Aluminium frame, four wheels, about 400 kg.

2022

Solis EV2

Three wheels, 240 kg. Italian Solar Challenge.

2023

Solis EV3

First carbon monocoque. 1,200 km in Australia.

2024

Solis EV4

180 kg, built in nine months. Raced at Zolder.

2025

Hyperion

Full-size array. 2,700 km in Australia.

2027

Next

A new car for Darwin to Adelaide.

The people in blue.

Solis began at the Faculty of Electrical Engineering in 2018. Today the team comes from across the university.

The whole team with both cars and the Romanian flag in the pit lane at Zolder.

Electrical

Battery, solar array and every circuit board.

Software

Controllers, telemetry and race strategy.

Mechanical

Aerodynamics, carbon fibre, suspension.

Communication

Photo, video, events and partnerships.

See how to joinNobody here had built a solar car before they joined.

Race day, from anywhere.

While the car is racing, this page shows where it is and how it is doing, straight from its own sensors.

Darwin to Adelaide,
22 to 29 August 2027.

325 days to the start of the Bridgestone World Solar Challenge. 3,033 km of public road, on sunlight.

Speed
78km/h
Sunlight collected
880W
Battery
71%
From Darwin
1,512km

Demo numbers. The live feed starts with the race.

Who makes it possible.

Materials, parts, machine time, advice and funding. The car is built from what our partners give.

Main
Belco AviaBoschebm-papstAxpoAJ BrandRubix
Gold
Distribuție Energie Electrică RomaniaEneryTerapia
Silver
SunPowerJPardTrumpf
Bronze

3DDot, Analog Devices, AROBS, Fundația Autonom, Bigstore, DSV, Electroglobal, EXT, GM Suspension, INCAS, Innotec, LAPP, Meze Audio, Neon, Nicmar Danci, Promelek, RebelDot, Reconbatt, Tehnologistics, Trambus

Your logo on the car, the car at your events, and a first look at the engineers who built it.

Write to the partnerships team