STUTTGART — While technical hurdles like charging power and vehicle range have been largely resolved over the past decade, a critical bottleneck persists: the transaction. The newly released USCALE Charging Payment Study 2026 reveals that the “last mile” of the charging experience remains a deep source of frustration, risking broader EV adoption.
The representative study of 1,510 German EV drivers exposes a stark “Expectation Gap” — drivers overwhelmingly prefer payment methods they rarely encounter.
The Expectation Gap: Preferences vs. Reality
Current payment ecosystems force suboptimal behavior from necessity rather than choice. The data shows a massive disconnect between how drivers want to pay and how they actually pay:
| Payment Method | Preference | Actual Usage |
|---|---|---|
| Plug & Charge / Autocharge | 40% | 49% |
| Direct (Ad-hoc) Payment | 29% | 55% |
| RFID Card | 13% | 70% |
| Charging App | 17% | 77% |
- Plug & Charge: Despite being the industry “gold standard,” usage is limited by inconsistent availability and roaming surcharges. Most vehicles store only one contract, creating friction during cross-network charging.
- Direct Payment: Second-most preferred, yet undermined by spotty deployment and “cumbersome, unintuitive” interfaces.
- Legacy Dominance: RFID cards and apps are the least preferred methods, yet they remain the most used due to industry inertia.
“No Shortage of Options, But No Convincing Solutions”
The paradox of the current market is that more payment methods haven’t improved satisfaction; instead, growing complexity breeds user fatigue.
“There is no shortage of payment options, but none of them is truly convincing,” says Dr. Axel Sprenger, Managing Director of USCALE. “Our data show that payment has become a key factor in the choice of a charging service and also influences the pace of EV adoption.“
The study argues that no current method simultaneously delivers the four pillars of a successful transaction: simplicity, cost control, transparency, and convenience. For example, Plug & Charge excels in simplicity but often fails on cost transparency.
A Warning for the Next Wave of Adopters
Beyond the current 4% of early adopters, the “early majority” faces this terminal friction as a significant barrier to entry.
“As long as the payment experience at public charging points remains so unsatisfactory, it will not only frustrate current EV drivers but also deter many potential adopters in the next segment from switching to an EV,” warns Dr. Sprenger.
Implications for CPOs and OEMs
Infrastructure success now hinges on frictionless value exchange, not just plug availability. Until charging matches the seamlessness of a contactless coffee shop transaction, public charging will continue to carry the “frustrating” label.
Download the Full Report: USCALE Charging Payment Study 2026
About the Study: Conducted in November 2025 among 1,510 German EV drivers, providing a comprehensive analysis of payment personas and e-mobility user needs.

