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Discipline
Product Design ยท UX/UI
Platform
iOS ยท Android ยท Web
Company
Evergen

Zelora & Enreal

Designing a consumer energy app and the white-label system behind it, for two brands and thousands of solar and battery owners.

Zelora and Enreal app screens showing home energy dashboard

One product powering two consumer energy brands

Zelora and Enreal are consumer-facing apps that give solar and battery owners visibility over their home energy โ€” generation, consumption, export, and savings. Both products run on the same underlying platform. I was the sole product designer across both โ€” responsible for research, information architecture, UX, visual design, and the white-label system that allows a single product to serve two distinct brands without rebuilding from scratch.

Zelora is a Bunnings-backed product for homeowners with rooftop solar and battery storage. Enreal serves home electrification customers โ€” households transitioning away from gas to an all-electric home. The design brief was consistent across both: make complex, real-time energy data legible and motivating for everyday homeowners, not energy professionals.

Design sprint exploring energy data structure for non-technical users
Design sprint โ€” exploring how to structure energy data for a non-technical audience
Early wireframe testing navigation and information hierarchy
Early wireframes โ€” testing navigation structure and information hierarchy

Four decisions that shaped the product

Anchoring the home screen in a house

Early design sprint explorations used spider diagrams and radial data visualisations โ€” technically accurate representations of energy flow, but ones that required interpretation to read. I anchored the home screen around a house graphic instead: a central metaphor that homeowners orient to immediately, with energy flows mapped to the familiar parts of their home rather than to abstract chart segments.

Early wireframe exploration using spider diagram for energy data
Early exploration โ€” radial visualisation approach
Enreal home screen with house graphic showing live energy flow
Settled direction โ€” the house as the central metaphor

Designing for two levels of engagement

Research pointed to a clear split in how users engage with their energy data: most want a quick status check โ€” is my solar generating, am I exporting to the grid, am I saving money? A smaller but active group wants to go much deeper into real-time flows and historical data. Rather than designing two separate interfaces or landing on one middle ground that served neither well, I introduced a toggle directly on the home screen. Users can switch between a simplified summary view and a detailed live chart view in one tap โ€” the simple view is the default, the chart view is always accessible.

Simple mode showing at-a-glance energy status with house graphic
Home โ€” simple mode
Complex mode showing detailed energy flow chart with live data
Home โ€” complex mode
Generation summary in simple mode โ€” clean at-a-glance view
Generation summary โ€” simple mode
Generation summary in complex mode โ€” detailed breakdown and live data
Generation summary โ€” complex mode

Making the financial return visible, every day

For homeowners who have spent $10,000โ€“$20,000 on a solar and battery system, the most important question the app can answer is: is this paying off? I designed the savings experience to lead with financial return โ€” bill savings, feed-in earnings, and avoided energy costs โ€” broken down in the same language as an electricity bill, so users can directly compare what they see in the app to what arrives in their inbox.

I chose a seven-day savings view over a single-day figure deliberately. One day of data is easily skewed by weather or an unusual usage spike; seven days gives users a realistic and honest picture of what their system is actually earning them, and builds confidence in the investment over time. Carbon savings are presented as a secondary layer โ€” available for users who want to connect their financial return to a broader environmental impact.

Enreal savings screen showing financial returns from solar and battery
Enreal โ€” savings overview, leading with financial return
Enreal estimated bill savings breakdown mapped to electricity bill language
Estimated bill savings โ€” broken down in electricity bill language
Zelora carbon savings view showing environmental impact alongside financial return
Zelora โ€” carbon savings as a secondary layer

White-label as a first-class design constraint

Zelora and Enreal have distinct brand identities โ€” Zelora's palette is warm and Bunnings-aligned; Enreal's is clean and teal. Designing for both from the outset, I treated brand as a variable from the start of the component system, not something applied after the fact. I structured the white-label architecture to separate brand tokens โ€” colour, typography, logo โ€” from layout and interaction logic, so a brand swap produces a coherent experience across every screen without touching the underlying structure. The same approach extended to feature architecture: I built components and flows to be added to, so the team could continue shipping new features without reworking the foundation.

Zelora home screen with warm Bunnings brand palette
Zelora โ€” warm brand palette, Bunnings-aligned
Enreal home screen with clean teal brand palette
Enreal โ€” clean teal palette for a home electrification audience

The app walkthrough

A walkthrough of the Zelora app showing the core energy dashboard, simple and complex view modes, and the savings experience across a live account.

A desktop companion built for longer sessions

The web portal was designed for the same users as the app, but in a desktop context where more screen real estate and a longer session changes how energy data should be presented. The dashboard surfaces historical charts, seven-day energy views, and detailed breakdowns โ€” content that exists on mobile but is significantly more useful when a user can see it at full width across multiple panels simultaneously.

The telemetry charts in the portal are intentionally more detailed than the mobile equivalents. Desktop users who choose to open the portal are signalling a different intent to someone doing a quick home screen check. The interface reflects that. The portal launched alongside the mobile app, giving users access to both from day one.

Enreal web portal home dashboard showing energy overview
Enreal web portal โ€” home dashboard overview
Enreal web portal seven-day energy chart
Seven-day energy view โ€” more technical detail suited to a desktop session

Launched across two brands, with a foundation built to grow

Zelora and Enreal launched on iOS and Android with the web portal available at the same time. The underlying design system โ€” components, tokens, layout logic โ€” was structured to be extended, and the team continued shipping new features on top of the same foundations after the initial release. The white-label architecture held up across both brands without diverging into separate codebases or design files.

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