Optimized Variable Production (OVP) Model

  • Foundational approach to TEA and LCA of power-to-x using intermittent and/or variably priced energy sources

  • Simultaneous optimization of technology selection, sizing, and scheduling of entire power-to-x facility toward lowest production cost and/or life cycle impact

  • Scheduling using high resolution, long horizon time series data to account for diurnal and seasonal variability in power availability, commodity demands

  • Formulated as integer linear model to systematically determine optimal tradeoffs between all design and operational considerations

  • Easily adjustable to different power-to-x products and demand profiles, input power sources and prices, and technology alternatives

Model Inputs

  • Annual nameplate production scale

  • Technology cost & performance parameters

  • Commodity demand profiles

  • Hourly energy generation & pricing profiles

Model Outputs

  • Minimized production cost

  • Life cycle assessment

  • Technology selection & sizing

  • Hourly operating schedules

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Case Study: Wind-to-Ammonia