National Grid
  Please note that Standard Offer Service in the Commonwealth of Massachusetts ended as of midnight on February 28, 2005. Under current regulations, customers who did not choose a competitive supplier when Standard Offer Service ended (this includes customers served by Standard Offer 1, Standard Offer 3 and Standard Offer 11/13) began receiving Default Service in the applicable SMD Load Zone and customer group on March 1, 2005.

 
   
Standard Offer 1
  Standard Offer 3
  Standard Offer 11/13
Default Service
  Competitive Supply
   
  The following hourly load data is derived from the Distribution Companies' load estimation systems. Data will be updated once a month and is generally expected to be available five business days following the end of each calendar month. Actual posting dates may vary.

 
Load Data Description   File Download
Historical, hourly load data for Default Service to the Residential Customer Group for the period Nov-1-2000 - present.

Loads presented are the initial estimated loads as reported to ISO-NE.

Loads are presented in aggregate and by applicable load zone (SEMA, NEMA, WCMA).
   05_ds_RCG.xlsx
Historical, hourly load data for Default Service to the Residential Customer Group for the period Mar-1-2003 - present.

Loads presented are the final reconciled loads as reported to ISO-NE.

Loads are presented in aggregate and by applicable load zone (SEMA, NEMA, WCMA).
   05_ds_RCG_Rec.xlsx
Historical, hourly load data for Default Service to the Commercial Customer Group for the period Nov-1-2000 - present.

Loads presented are the initial estimated loads as reported to ISO-NE.

Loads are presented in aggregate and by applicable load zone (SEMA, NEMA, WCMA).
   05_ds_CCG.xlsx
Historical, hourly load data for Default Service to the Commercial Customer Group for the period Mar-1-2003 - present.

Loads presented are the final reconciled loads as reported to ISO-NE.

Loads are presented in aggregate and by applicable load zone (SEMA, NEMA, WCMA).
   05_ds_CCG_Rec.xlsx
Historical, hourly load data for Default Service to the Industrial Customer Group for the period Nov-1-2000 - present.

Loads presented are the initial estimated loads as reported to ISO-NE.

Loads are presented in aggregate and by applicable load zone (SEMA, NEMA, WCMA).
   05_ds_ICG.xlsx
Historical, hourly load data for Default Service to the Industrial Customer Group for the period Mar-1-2003 - present.

Loads presented are the final reconciled loads as reported to ISO-NE.

Loads are presented in aggregate and by applicable load zone (SEMA, NEMA, WCMA).
   05_ds_ICG_Rec.xlsx
Historical, aggregate hourly load data for Default Service (includes Residential Customer Group, Commercial Customer Group and Industrial Customer Group) for the period Mar-1-1998 - present.

Loads presented are the initial estimated loads as reported to ISO-NE.

Loads are presented in aggregate and by applicable load zone (SEMA, NEMA, WCMA).
   05_ds_Loads.xlsx

Historical, aggregate hourly load data for Default Service (includes Residential Customer Group, Commercial Customer Group and Industrial Customer Group) for the period Mar-1-2003 - present.

Loads presented are the final reconciled loads as reported to ISO-NE.

Loads are presented in aggregate and by applicable load zone (SEMA, NEMA, WCMA).

   05_ds_Loads_Rec.xlsx