metric_name,definition,formula,table_name,grain
participation_rate,Share of dispatch events with customer participation.,participated_events / dispatch_events_count,portfolio_kpis_daily,date x state
avg_bill_reduction_pct,Average bill reduction relative to counterfactual utility bill.,(bill_without - bill_with) / bill_without,portfolio_kpis_daily,date x state
estimated_grid_value_usd,Estimated total grid value from dispatch events.,sum(grid_value_usd),portfolio_kpis_daily,date x state