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simgrammar the grammar of simulation
deprecated

Cities: Skylines II already couples solar and wind output to weather with battery storage, so the prediction was true at writing; the remaining idea (realistic learned weather driving systems) is covered by learned-weather-layer. Superseded by Learned regional weather.

thesis

Power grids and weather are both common in the catalog but almost never coupled; most games treat generation as constant. Learned weather emulators make realistic, correlated wind, sun, and temperature affordable, and the coupling creates a familiar modern problem: balancing intermittent supply with storage, forecasts, and flexible demand.

design sketch

Solar and wind output follow simulated weather; heating and cooling demand follow temperature; the player builds storage, buys forecasts, and sets demand-response policies. Rare long calm, cold spells test the grid. Prices respond to scarcity if the game has markets.

validation experiment

Couple a city prototype's grid to a weather emulator and test whether players with forecast tools build mixed storage strategies rather than one dominant plant type. Success: strategy diversity increases and blackout frustration ratings stay below the baseline game's disaster ratings.

key risks

  • Realistic intermittency may frustrate players without good forecasting tools.
  • Weather that dominates the economy reduces player agency.

falsifiable prediction

by 2028-12-31

A commercial city builder or management game will couple renewable generation to simulated weather as a core grid mechanic.

Developer documentation describing weather-dependent renewable output and storage in the grid system.

open

checks against the data

3 assertions

The text above states findings about this dataset. The build fails (E032) if any of these stops holding.

  • derived.power-grid.prevalence_share >= 0.08
  • derived.weather.prevalence_share >= 0.08
  • cooccur.power-grid.weather <= 1

relations

11 stored edges

provenance

runs in log/runs
2026-10-24
created2026-10-24-synthesissynthesis
2026-10-24
reviewed2026-10-24-review-fixesmaintenance
2026-10-25
reviewed2026-10-25-contributor-readinessmaintenance