Tarek Chehade

Selected work

Live products, not mockups.

Public apps on this server — click through, no install. Full catalog lives on the dashboard hub.

MaStR

Solar Zubau by segment

Monthly new PV capacity in Germany — Home, C&I, Large Scale — with year-to-date comparison.

Open dashboard → Research

Care Workers in Thüringen

Qualitative recruitment study: interviews, org map, coded extracts, and an interactive viz gallery.

Open research → Live

EU electricity prices

Day-ahead bidding zones across Europe — map, chart, and table from Energy-Charts.

Open live view → Live

Solar radiation, Germany

Live global horizontal irradiance map and hourly series from Open-Meteo / DWD models.

Open map → Regional

Thüringen Kommunal

Large-scale solar, storage, and wind by Kreis — built for municipal stakeholders.

Open regional view → Civic

Lebanese elections

2022 parliamentary casas — density, candidates, treemap. Tableau craft, rebuilt in Shiny.

Open civic viz →

All dashboards

Practice

What I build day to day.

Energy & MaStR

Nightly pipelines from BNetzA’s plant register into Parquet/DuckDB views municipalities and teams can use.

Live APIs

Day-ahead prices, solar irradiance, auto-refreshing maps — real feeds, not screenshots.

Delivery platform

One app, one URL, one process: Shiny behind nginx, systemd, Grafana, documented schemas.

Traceable numbers

Reproducible ETL and verification so every dashboard figure can be traced to a source row.

Stakeholder demos

Proof-of-concepts for real rooms.

Pitch boards and factory-floor views — shareable, browser-only.

IG Metall

Werksgelände

Eagle-eye factory map for IG Metall Mitte — membership and organising potential by building.

Open demo → IG Metall

Demografie

Workforce mix by age, role, and department — interactive charts for organising conversations.

Open demo → IG Metall

DFI 2026

Tariff facts as a searchable digital product — DFI 2026, rebuilt for the screen.

Open demo → Pitch

CCS Ops Pulse

Operations pulse for canteens, events, quality, and sustainability — stakeholder-ready demo.

Open demo → Briefing

Transformative AI — Europe

One-screen interactive explainer of the September 2026 independent strategy — five urgent objectives, no page scroll.

Open briefing →

IG Metall demo hub

The lab

This site is also a live platform.

Monitoring and documentation for the dashboard fleet — useful if you want to see how it runs.

Public

Dashboard Hub

Catalog of every public Shiny app on this VPS.

Live

MaStR Live Showcase

Server health in kiosk mode — CPU, probes, traffic.

Public

Grafana

Full monitoring stack, public view.

Public

Netdata

High-resolution host metrics.

Public

Project documentation

Architecture, deploy notes, and how the hub is wired.

Password

Site traffic

Private nginx analytics for this host.

Contact

Let’s talk data products, energy analytics, or Shiny delivery.

Prefer email — phone signal at work is unreliable. Open to collaborations and research tooling.

tarekchehade.de@gmail.com GitHub LinkedIn