Energy, Load, and Demand Reports

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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.

 

Three-Day Reliability Region Demand Forecast
Description Timestamp Download
May 15, 2021 05/13/2021 09:25 AM EDT CSV
May 14, 2021 05/13/2021 09:25 AM EDT CSV
May 13, 2021 05/13/2021 09:25 AM EDT CSV
May 12, 2021 05/12/2021 09:17 AM EDT CSV
May 11, 2021 05/11/2021 09:25 AM EDT CSV
May 10, 2021 05/10/2021 09:21 AM EDT CSV
May 09, 2021 05/09/2021 09:08 AM EDT CSV
May 08, 2021 05/08/2021 09:16 AM EDT CSV
May 07, 2021 05/07/2021 09:25 AM EDT CSV
May 06, 2021 05/06/2021 09:28 AM EDT CSV
May 05, 2021 05/05/2021 09:26 AM EDT CSV
May 04, 2021 05/04/2021 09:24 AM EDT CSV
May 03, 2021 05/03/2021 09:29 AM EDT CSV
May 02, 2021 05/02/2021 09:16 AM EDT CSV
May 01, 2021 05/01/2021 09:23 AM EDT CSV