At Datanumia (EDF Group)

Use case: New B2B2C app to sell an API

2-3 min read

5 months

B2B2C

AI

Energy use

With Product Designers, PM, PO, LPM, architects and developers

Context

About Datanumia & New Home

  • Datanumia turns complex energy data into clear insights, empowering people to make smarter, more sustainable choices.

  • The goal of New Home was to create a brand-new app for residential users, offering a more modern experience and harnessing more powerful data insights through AI.

10M+

data points processed daily

20M+

residential users

About what I did

  1. Benchmark

  2. User flows & sketching workshops

  3. Mockups low-fi & high-fi

  4. Interviews (EN & FR)

  5. Atomic research

Alexandra

Russ

+33 6 34 06 15 36

  1. Discovery: Benchmark

Key aspect of benchmark

Is to identify our competitors' values and differentiation strategies, so we can design the most relevant features.

Creative
Benchmark

  • Awwwards

  • Httpster

  • Admire the Web

  • SiteInspire

Conventional

Benchmark

  • Mobbin

  • Envato

  • Behance

  • Dribbble

Guerilla
Benchmark

  • Informal interviews

  • Asking people around

  • Request demos
    to direct competitors

  1. Define: user flows and sketching

Prioritize

features

Hard part is to prioritize

features with both product

and tech team.

Define

scenarios

During a product workshop
we defined the first user journeys and hypothesis
to test.

Sketching the
homepage

I animated a crazy 8 workshop then we synthesized sketches

with other designers.

  1. Develop: Wireframing (low-fi & high-fi)

Key design challenges

  • Adapt the features to tech constraints

  • Create an accessible UI

  • Create a variable design system

  • Find the right balance of data

It was difficult to chose a fully

accessible UI, I had never done
that before.

  1. User research: interviews & A/B testing

I truly think

User interviews reveal emotions and stories that A/B testing can’t uncover, while A/B testing provides hard evidence that interviews can’t offer. Together, they give a fuller picture.

Protocol
and prototype

I helped my team prepare
the protocols to know what
to ask the users to do
during tests.

A/B Testing

We proposed to users
a high-fi version of our app
versus a competitor app
and asked about the UI.

User interviews

I interviewed people from
the UK and Belgium via
the platform User Testing.

🤓 It was harder in english.

  1. Atomic research

Insights

Scores

Key learnings

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