HydroMind AI Pumped-Hydro Dispatch System Deployed in Switzerland: Storage Efficiency Jumps to 85%

Energy storage company GridStore announced on April 30 the deployment of its HydroMind AI dispatch system at three pumped-hydroelectric facilities in the Swiss Alps.

Pumped-hydro remains the world's largest energy storage technology: excess electricity pumps water to elevated reservoirs, and when demand rises, the water is released to generate power. But traditional dispatch methods rely on simple peak-offpeak price spreads, failing to fully exploit the variability of renewable energy generation.

HydroMind uses AI to forecast electricity prices, wind and solar output, and grid load 48 hours ahead, dynamically optimizing when to pump and when to generate. The system also factors in the confidence level of its own predictions — adopting conservative strategies when uncertainty is high and aggressive ones when forecasts are sharp.

Since HydroMind's deployment, the three facilities have seen their round-trip efficiency climb from 75% to 85%, with annual operating profits rising an average of 22%.