Real-Time Maps and Charts

System Load Graph

Date: 08/19/2022  
 
 
 

This graph shows electricity demand from these perspectives:

 

   Forecast: The most recently-published forecast  of electricity demand, updated as needed and at least twice daily.

   Actual: The real-time electricity usage on New England’s bulk power grid, updated every 5 minutes.

   Cleared: The demand for electricity that cleared in the Day-Ahead Energy Market for the selected day.

   Prior-Day: A record of the demand forecast published prior to the deadline for bids and offers in the Day-Ahead Energy Market for the selected day.

   Actual Including Pump Load: Real-time electricity usage on the bulk power grid, including demand from pump load resources.
   Actual  Including Estimated Behind-the-Meter Solar: An estimate of real-time electricity usage in New England, including actual usage on the bulk power grid and estimated output from from behind-the-meter solar resources.

 

ISO New England predicts electricity usage based on daily and seasonal patterns, as well as weather and distributed generation resources, not connected to the regional power grid.

 

TIPS:

 - Hover over the lines in the graph to see the megawatt amounts for each line item during any point throughout the day.

 - Use the date picker to see historical data.

 - The Prior Day forecast line provides an increased level of transparency into our forecast accuracy, which we consistently strive to improve.

 - Click on the export button to view the raw chart data in CSV format.

 
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