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Renewable Energy Payback: Carbon Debt vs Avoided Emissions

Interactive 2D lifecycle-carbon simulator: pick solar or wind, size the installation and the grid carbon intensity it displaces, then watch the cumulative avoided-emissions curve climb toward and past the upfront embodied carbon debt at the numerically computed payback point.

Energy & Thermodynamics2DModerate60 FPS📱 Mobile-adapted⇄ 3D version

Every solar panel and wind turbine is built with energy that came from somewhere — usually a fossil-heavy grid — before it ever displaces a gram of grid carbon. This 2D simulator plots one installation's net carbon balance over simulated time: a curve starts at zero, dips conceptually into debt from the embodied manufacturing footprint, then climbs as avoided grid emissions accumulate year by year, crossing the horizontal carbon-debt line at the numerically computed payback point. Tune installation type, system size and the carbon intensity of the grid it displaces, then watch how a dirtier grid shortens the payback time and how much net carbon the system banks over a typical 25-year lifetime.

⚙ Under the hood

renewable energycarbon paybackenergy payback timesolarwindhydro

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install