Ionna tops Tesla in J.D. Power's 2026 US EV charging study, pushing Supercharger to fourth
By Eve
Automaker-backed Ionna led J.D. Power's 2026 US Electric Vehicle Experience Public Charging Study with a score of 807 out of 1,000, ahead of Mercedes-Benz and Rivian Adventure Network, while Tesla's Supercharger fell to fourth with 701 against a segment average of 666. The study surveyed 6,594 EV and plug-in hybrid owners across 10 categories including safety and nearby amenities. Ionna, founded in 2024 by BMW, General Motors, Honda, Hyundai, Kia, Mercedes-Benz, Stellantis and Toyota, opened its first Rechargery site in October 2024.
Why it matters
The results signal that newer OEM-backed networks may challenge Tesla's long-held dominance in user satisfaction, potentially reshaping procurement priorities for site hosts and fleet operators evaluating charging partnerships. CPOs and developers should monitor whether automaker-affiliated brands can scale their high satisfaction scores as they expand beyond initial flagship locations.
Source
- Published
- 3 September 2026
- Updated
- 4 September 2026
- Also covered by
- thecooldown.com
In this story
- Topic
- EV Charging
- Place
- United States
- Tags
- Ionna · Tesla · J.D. Power
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