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// Public data · Static dashboard

How the US Power Mix Shifted

Year range
Fuels shown

Total generation

Sum of selected fuels (annual)

Share of generation

100% stacked — selected fuels only

Mix shift (early vs late window)

Change in average share, first half of years vs second half

Insights

    // Technical summary

    What this demo uses

    JavaScript Chart.js Static JSON Data visualization

    This demo turns public US electricity data into interactive charts so people can quickly understand how the energy mix changed over time.

    • Methodology: Annual generation data is pre-packaged as JSON. Browser filters (year range and fuel type) drive all charts from one shared state so every view stays in sync.
    • Technical terms:
      • 100% stacked chart: Shows each fuel as a share of the whole.
      • Delta (change): Difference between early and later periods.
      • State: The current filter settings remembered by the page.
    • Toolsets/technology used: JavaScript, Chart.js, static JSON, and client-side data visualization logic.