Energy, Load, and Demand Reports
In this section
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Demand
- Three-Day Forecast System Demand
- Three-Day Reliability Region Demand Forecast
- Three-Day Reliability Region Demand Forecast Archive
- Five-Minute System Demand
- Five-Minute Estimated Zonal Load
- Five-Minute Zonal Load Forecast
- Hourly Day-Ahead Cleared Demand
- Hourly Real-Time System Demand
- Selectable Day-Ahead and Real-Time Hourly Demand
- Zonal Information
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Energy and Peak Load
- Net Energy and Peak Load
- Historical Hourly Flows and Limits
- Summer and Winter Normalized Peaks
- System Loads in EEI Format
- Monthly Degree Days
- FCM Annual System Peak Day, Hour, and Load
- FCM Seasonal Peak Hour Data
- FCM Preliminary Capacity Performance Score Report
- FCM Final Capacity Performance Score Report
- Network and Nodal
- Wholesale Load
Related Links
Three-Day Reliability Region Demand Forecast
Download the ISO's hourly demand forecast for each day as forecasted in-day and the preceding two days, broken down by reliability region. The region's transmission system is divided into eight reliability regions that reflect the system's operating characteristics and major constraints. New England's load zones, which represent aggregations of pricing nodes within specific areas, generally correspond to these reliability regions.
Note: NEMASSBOST = Northeast Massachusetts and Boston Area Reliability Region; SEMASS = Southeast Massachusetts Reliability Region; WCMASS = Western/Central Massachusetts Reliability Region; % = the reliability region's demand as a percentage of the zonal total. The demand included in the forecast is in megawatts (MW).
Forecasts prior to May 24, 2017, can be found on the Three-Day Reliability Region Demand Forecast Archive.
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