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ELISE - Electric Aviation in Sweden Step 3

Reference number
Coordinator Heart Aerospace AB
Funding from Vinnova SEK 17 952 526
Project duration May 2023 - April 2025
Status Completed
Venture Innovations for a sustainable mobility system - individual applications

Important results from the project

A full-scale demonstrator of the electric hybrid aircraft ES-30 was designed and built (Heart X1). The aircraft was used, among other things, to carry out the world´s first turnaround test of an electric aircraft of this size, including charging batteries with the planned charging standard. After the project, the aircraft will be flown. In addition, an analysis of the differences between batteries for electric cars and electric aircraft was carried out, which included several physical tests.

Expected long term effects

The project is expected to accelerate the electrification of aviation and increase expertise in the technology. This includes manufacturing, battery technology, charging, how electric aviation can be integrated into airports and whether objective turnaround times can be met. In turn, this will contribute to reducing the environmental and climate impact of aviation.

Approach and implementation

The project was divided into work packages for aircraft construction, battery testing, and demonstration. The aircraft was built at Heart and rolled out in September 2024. That same month, turnaround tests, charging tests, and user experience were conducted incl airlines, airport operators and manufacturers. Battery tests were performed on time and included power profiles, vibrations, and EMI. The schedule was met despite some rescheduling, needed due to the new goal of flying after the project.

External links

The project description has been provided by the project members themselves and the text has not been looked at by our editors.

Last updated 8 July 2025

Reference number 2023-00691