Energy Plus
Mobile Application for Energy Plus
Energy Plus is a mobile application that simplifies the conventional fueling experience in Korea by reducing a twelve step process to four essential actions. Its core feature, Quick Fuel, enables users to start refueling and complete payment through a single barcode scan, eliminating the need for cash or physical cards. The service integrates real time pricing, station navigation, and in vehicle access. After each transaction, users receive a clear digital summary with payment details and rewards information.
Download Press Kit № 182017
Download Press Kit № 182017 Mobile Application for Energy Plus by Jaeho Chung to access high-res images, essential texts, translations, and exclusive interviews—all in one.
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Energy Plus by Jaeho Chung
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Mobile Application by Jaeho Chung
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Jaeho Chung Energy Plus
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Jaeho Chung Mobile Application
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Energy PlusBrand Logo
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Unique Properties
Energy Plus redefines Korea’s fueling by reducing a traditional 12 step process to four. Its signature feature, Quick Fuel, enables refueling and payment via a single barcode scan eliminating the need for cash, physical cards, or app navigation. For on-the-go access, Quick Fuel is available via widgets, Shake&Pay, and CarPlay. Real-time pricing and navigation simplify station selection. Post-fueling, digital reports with rewards and review prompts ensure a seamless and connected user journey.
Tags
Fuel Payment, Quick Fuel, One-Scan Payment, Mobility Innovation
Production Technology
Energy Plus was developed on a modular UX framework integrated with real-time fuel and payment systems. Quick Fuel securely connects user preferences(fuel type, payment method, and amount)to station POS through a single barcode protocol, enabling a seamless one-scan transaction. AI-powered station personas use natural language processing to convert customer reviews into structured insights. The system is optimized for unstable network environments at gas stations and built on scalable APIs supporting widgets, Shake & Pay, and CarPlay. This technical foundation ensures a secure, responsive, and fully connected fueling experience.
Design Challenge
The greatest challenge was translating a traditionally physical, pump-based process into a seamless digital interaction without disrupting existing station infrastructure. Legal payment regulations, POS compatibility, and unstable network environments limited technical flexibility. Socially, drivers were accustomed to manual selection and card presentation. The design had to reduce steps while maintaining trust and clarity. Balancing security, speed, and familiarity required iterative prototyping and close collaboration with engineers and station operators.
Project Duration
The project started in March 2023 in Seoul, South Korea. User research and usability testing were conducted in Seoul and surrounding metropolitan areas. The service was officially launched nationwide in January 2024 through the Energy Plus mobile platform and continues to evolve through ongoing design development and iterative improvements.
Operation Flow
Energy Plus operates through a simple four-step flow: open the app, tap Quick Fuel, scan the barcode, and refuel. Users set preferences once, so each visit becomes a confirmation rather than a setup. The barcode connects payment and fuel choice instantly at the pump. Widgets, Shake & Pay, and CarPlay allow access without searching through menus. The key moment is the single scan, turning a complex, multi-step process into one smooth action, reducing wait time and mental effort.
Research
Type of Research: UX design research. Research Objectives: simplify the fueling journey and reduce user friction. Methodology: mixed-method approach combining qualitative interviews and quantitative behavior analysis. Data Collection and Tools: user journey mapping, usability tests, in-app analytics, and review mining with NLP tools. Participants: Korean drivers aged 20~60. Results: reduced fueling steps and clearer decision-making. Insights and Impacts: users value speed and certainty over feature variety. The research improved transaction efficiency, station operations, and digital adoption in real-life fueling behavior.
Inspiration
Quick Fuel is designed to eliminate persistent pain points, such as cumbersome refueling steps, physical loyalty cards, and the risk of missing discounts. Users pre-register their preferred fuel type, payment method, and loyalty information once, then seamlessly reuse that preset for every visit. A single tap reveals a barcode; scanning it at the pump completes both fueling and payment instantly. This streamlined action delivers a faster, more intuitive, and satisfying experience for drivers.
Image Credits
Main Image #1. The cover image presents the Energy Plus home interface and the activated fueling pattern screen. It highlights the Quick Fuel entry point and preset preferences, demonstrating how users can initiate refueling with minimal interaction. Cover Image #1. This image illustrates the simplified fueling registration flow and the Fuel Report interface. Users can register preferences in a few clear steps, reducing repetitive input during future visits. The Fuel Report visualizes consumption patterns to support informed decision-making. A dedicated dark mode ensures visual comfort and accessibility across different lighting environments. Cover Image #2.This image presents fuel-type specific fueling patterns and the integrated barcode interface. Each fuel type is clearly distinguished through color and layout, enabling fast recognition at the pump. Cover Image #3. This image showcases the Shake & Pay feature and widget interface. The motion-based interaction allows users to access Quick Fuel instantly without navigating through menus. The widget provides direct entry from the home screen, extending usability beyond the app and supporting contextual, time-efficient interaction. Cover Image #4.This image combines the Fuel Report dashboard with the location-based station service interface.
Project Overview
Energy Plus Mobile Application has been a Golden winner in the Mobile Technologies, Applications and Software Design award category in the year 2025 organized by the prestigious A' Design Award & Competition. The Gold A' Design Award is granted to designs that demonstrate a high level of innovation and a significant impact on their intended audience. Recognized as a major achievement by the A' Design Awards, these designs are characterized by their visionary approach and the exceptional skill of their creators. Winners of the Gold A' Design Award are noted for their ability to push the envelope in art, science, design, and technology, delivering solutions that not only meet but exceed expectations. These designs serve as benchmarks for excellence, encouraging further innovation and inspiring future generations of designers.
Golden Recognition
Jaeho Chung was recognized with the coveted Golden A' Design Award in 2026, a testament to excellence of their work Energy Plus Mobile Application.
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