{"version":"0.19.0","built_at":"2026-10-17T14:21:37.518Z","license":"CC BY 4.0 © Mike Reams","canonical":"https://catalog.mikereams.com","value_stream":{"id":"VS-380","name":"Forecast-to-Balance","industries":["utilities"],"description":"Carry an operating day on the bulk power system from load and renewable forecasts through unit commitment, interchange and real-time balancing to a secure system and settled schedules. Where Outage-to-Restoration (VS-240) restores customers after a distribution fault, this keeps generation and load matched within the grid's limits.","outcome":"Generation and interchange matched load all day, frequency and flows stayed within limits, contingencies were recovered within the required time, and schedules settled correctly.","trigger":"The day-ahead planning cycle for the next operating day begins.","aliases":["Operating Day Cycle","Plan-to-Balance","Day-Ahead-to-Real-Time"],"stages":[{"id":"VS-380.10","order":1,"name":"Forecast Load & Renewables","description":"Forecast load and wind and solar output for the operating day by hour and area.","capability_ids":["BC-1570.10","BC-1540.30"]},{"id":"VS-380.20","order":2,"name":"Commit & Schedule","description":"Commit units, or offer them to the market operator that commits them, submit schedules and agree interchange with neighboring balancing areas.","capability_ids":["BC-1540.10","BC-1570.20","BC-1590.20"]},{"id":"VS-380.30","order":3,"name":"Study the Day","description":"Study the planned dispatch and outages against operating limits and adjust before the day starts.","capability_ids":["BC-1590.30","BC-1590.10"]},{"id":"VS-380.40","order":4,"name":"Balance in Real Time","description":"Keep generation and interchange matched to load, holding frequency and flows within limits as conditions change.","capability_ids":["BC-1590.20","BC-1590.10","BC-1540.10"]},{"id":"VS-380.50","order":5,"name":"Recover from Contingencies","description":"Deploy reserves after a unit or line trips, relieve overloads, call demand response and, in an emergency, direct load shedding.","capability_ids":["BC-1590.20","BC-1590.10","BC-1570.30","BC-1530.10"]},{"id":"VS-380.60","order":6,"name":"Settle & Review","description":"Reconcile actual against scheduled energy, settle imbalance and review events for lessons and standards evidence.","capability_ids":["BC-1570.20","BC-1590.20","BC-1580.40"]}]}}