Commercially Significant Constraint Flows and Limits Annual Reports

View historical data for commercially significant constraints (CSC) limits, flows, MVARs (megavolt ampere reactives) and MVAs (megavolt amperes) by CSC in 15-minute average intervals. Data is provided for a complete year; the current year's report is updated monthly. For more current data, see Actual System Demand and CSC Flows and Limits (new browser window will be launched).