Please enter your monthly usage (kWh) which can be found on your utility bill and enter it into the green box in the upper right-hand corner below. The calculator will tabulate your supply charges for the month in comparison to the corresponding National Grid Basic Service rate.
|ENTER MONTHLY KWH:|
|NATIONAL GRID RATES, Winter 2019|
|LARGE BUSINESS (NEMA)||$0.13921||$|
|LARGE BUSINESS (SEMA)||$0.14761||$|
|LARGE BUSINESS (WCMA)||$0.12866||$|
Program rates will be in effect from September 2018 to January 2021.
National Grid Basic Service rates change on May 1 and November 1 for Residential and Small Commercial accounts, and February 1, May 1, August 1 and November 1 for Large Commercial accounts.