Part 2: Visualizing the Washington EV Market
OBJECTIVE: Translate key findings from the Washington State EV population dataset into compelling, easy-to-understand visualizations. These visuals communicate trends in market share, model performance, pricing, electric range, and Tesla’s electric utility service providers, highlighting Tesla's role within the state’s evolving EV ecosystem.
KEY QUESTIONS EXPLORED:
What is Tesla’s market share in Washington vs. other EV manufacturers?
What is the trend in Tesla vehicles sold each year in Washington?
Which Tesla models are most popular?
Which Tesla models generate the most estimated revenue in Washington?
How does Tesla’s pricing compare to other BEVs?
How does Tesla's electric range compare to other BEVs?
What are the trends in vehicle type over time?
Which electric utilities support the most Teslas?
DATA DICTIONARY:
PHEV: Plug-in Hybrid Electric Vehicle - A vehicle that combines a gasoline engine with an electric motor and a rechargeable battery. PHEVs can drive short distances using only electric power and switch to gasoline when the battery is depleted, offering greater range than fully electric vehicles.
BEV: Battery Electric Vehicle - A fully electric vehicle powered exclusively by a rechargeable battery, with no gasoline engine.
MSRP: Manufacturers Suggested Retail Price - The recommended selling price set by the vehicle’s manufacturer.
VIEW THE R VISUALIZATION CODE:
Curious how each chart was built using ggplot2 and flexdashboard?
👉 Click here to view the full R visualization code — includes layout design, custom formatting, and scripts for all 8 dashboard charts.
This script powers the interactive dashboard and showcases both technical proficiency and data communication skills, translating EV trends and Tesla’s market presence in Washington into clean, accessible visual storytelling.
The GitHub repository is fully transparent, reproducible, and well-commented to support each step of the visualization process.
VIEW THE FULL DASHBOARD:
Want to explore all the visualizations without explanations?
👉 Click here to view the full dashboard — powered by flexdashboard and ggplot2.
VISUAL WALKTHROUGH: Each visualization below corresponds to the key questions above, now brought to life through data storytelling.
Click on any image to enlarge it to full screen.
QUESTION 1:
What is Tesla’s market share in Washington vs. other EV manufacturers?
ANSWER:
As of April 2025, Tesla makes up approximately 42.9% of all registered electric vehicles in Washington State.
QUESTION 3:
Which Tesla models are most popular?
ANSWER:
The Model Y is the most registered Tesla in Washington, followed by the Model 3.
QUESTION 5:
How does Tesla’s pricing compare to other BEVs?
ANSWER:
Tesla's average MSRP is higher than that of other BEV brands in the dataset.
QUESTION 7:
What are the trends in vehicle type over time?
ANSWER:
Battery Electric Vehicle (BEV) registrations increased through 2023, followed by a decline in 2024. Plug-in Hybrid Electric Vehicle (PHEV) registrations remained stable until 2023, then began to decline in 2024.
QUESTION 2:
What is the trend in Tesla vehicles sold each year in Washington?
ANSWER:
Tesla registrations in Washington increased steadily from 2011 through 2023, peaking around 2023, followed by a decline in 2024.
QUESTION 4:
Which Tesla models generate the most estimated revenue in Washington?
ANSWER:
The Model Y generates the highest estimated revenue among electric vehicles in Washington, with the Model 3 coming in second.
QUESTION 6:
How does Tesla's electric range compare to other BEVs?
ANSWER:
Tesla vehicles have a higher average electric range than other battery electric vehicles (BEVs), based on the values shown.
QUESTION 8:
Which electric utilities support the most Teslas?
ANSWER:
The top five utilities are: Puget Sound Energy of Tacoma, Puget Sound Energy Inc, City of Seattle, Bonneville Power Administration Pud 1, and Bonneville Power Administration city of Tacoma.