Electric Vehicle Population Data Analysis — Tableau Dashboard

An interactive Tableau dashboard exploring EV adoption trends, manufacturer dominance, geographic distribution, and clean fuel eligibility across the United States.

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Dashboard Preview

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🔗 Live Dashboard

👉 https://public.tableau.com/views/EV_17767706477450/Dashboard1?:language=en-US&publish=yes&:sid=&:redirect=auth&:display_count=n&:origin=viz_share_link

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📌 Project Overview

This project analyzes the Washington State Electric Vehicle Population Dataset from Data.gov, transforming 150,000+ vehicle registration records into a comprehensive, interactive Tableau dashboard.

The goal is to uncover actionable insights about:

• EV market trends
• Manufacturer performance
• Regional adoption patterns

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📊 Dashboard Features

Visual	Description
KPI Scorecards	Total EVs, Avg. Electric Range, Total BEVs, Total PHEVs
EV Growth by Model Year	Area chart showing year-over-year adoption growth
Geographic Distribution	State-level map of EV concentration
Top 10 Makes	Bar chart of leading EV manufacturers
BEV vs PHEV Split	Donut chart showing vehicle type distribution
CAFV Eligibility	Clean fuel incentive eligibility breakdown
Top 10 Models	Most popular EV models in the dataset

💡 All visuals support cross-filtering — click any chart element to dynamically filter the entire dashboard.

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🔍 Key Insights

• Tesla dominates with Model Y and Model 3 as the top registered vehicles
• BEVs significantly outnumber PHEVs, indicating a shift toward fully electric vehicles
• Peak adoption year: 2023, with rapid growth since 2016
• Average electric range: ~67.83 miles
• King County, WA has the highest EV concentration
• Many vehicles have unknown or ineligible CAFV status, suggesting policy gaps

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🗂️ Repository Structure

ev-population-analysis/
│
├── EV.twb                        # Tableau workbook file
├── README.md                     # Project documentation
├── EV_Analysis_Report.pdf        # Full analytical report
├── dashboard_screenshot.png      # Dashboard preview image
└── Electric_Vehicle_Population_Data.csv  # Dataset (optional/local)

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🛠️ Tools & Technologies

• Tableau Desktop / Tableau Public — Dashboard design & publishing
• Washington State DOL Dataset — Source data (CSV)
• Calculated Fields — Custom KPIs
• Sets & Filters — Top-N analysis
• Dashboard Actions — Interactive cross-filtering

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📁 Dataset

Property	Value
Source	Data.gov — Electric Vehicle Population Data
Provider	Washington State Department of Licensing
Records	150,422+ vehicles
Coverage	BEV & PHEV vehicles
Key Fields	VIN, County, State, Model Year, Make, Model, EV Type, CAFV Eligibility, Electric Range

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🚀 How to Open the Workbook

1. Download Tableau Desktop or Tableau Public (free)

2. Clone this repository:

   git clone https://github.com/YOUR_USERNAME/ev-population-analysis.git

3. Open EV.twb in Tableau

4. Reconnect the dataset if prompted

👉 Or simply view the live dashboard on Tableau Public

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📄 Report

The repository includes a detailed report (EV_Analysis_Report.pdf) covering:

• Executive Summary
• Dataset Overview
• Dashboard Breakdown
• Key Findings
• Policy Recommendations
• Conclusion

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👩‍💻 Author

Minna Nourin

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