National Grid
Billing and Rates This information will help you understand your bill and the rates you are charged. It will also help you to identify those areas of your bill about which can make choices to control your costs.

Service Rates
View our rate descriptions and pricing schedules for business customers.
General Service (G-1) Demand (G-2)
Time-of-Use (G-3) Other Rates & Tariffs

Supply Costs
Learn how we supply your energy, understand the pricing options you may choose, and learn how to choose your supply of electricity from a supplier other than National Grid. Follow the links below to view the prices we charge for energy supply for Commercial and Industrial customers who do not buy their supply from a competitive energy supplier.

       Basic Service Rates (G-1 and Street Lighting)
       Basic Service Rates (G-2 and G-3)

Tariff Provisions

The table below provides a complete and current listing of National Grid's tariff provisions approved by the Department of Public Utilities (DPU), applicable to our electric customers in Massachusetts.

Tariff Provision M.D.P.U. Number
Nantucket
Electric
Massachusetts
Electric
Effective Date
Summary of Electric Delivery Service Rates 564 1244 November 1, 2014
R-1 (Residential - Regular) 521 1148 January 1, 2010
R-2 (Residential - Low Income) 522 1149 January 1, 2010
R-4 (Residential - Optional Time-of-Use) 523 1150 January 1, 2010
E (Limited Residential Electric Space Heating) 524 not applicable January 1, 2010
G-1 (General Service, Small C&I) 525 1151 January 1, 2010
G-2 (General Service, Demand) 526 1152 January 1, 2010
G-3 (Time-of-Use) 527 1153 January 1, 2010
S-1 (Street & Area Lighting, Company Owned Equipment) 528 1154 January 1, 2010
S-2 (Street & Area Lighting, Overhead Customer Owned Equipment) 529 1155 January 1, 2010
S-3 (Street & Area Lighting, Underground Division of Ownership) 530 1156 January 1, 2010
S-5 (Street & Area Lighting, Customer Owned Equipment) 557 1217 June 1, 2013
S-6 (Street & Area Lighting, Decorative Company Owned Equipment) 532 1158 January 1, 2010
S-20 (Street & Area Lighting, Company Owned Equipment, HPS Conversion) 533 1159 January 1, 2010
Cable Facilities Surcharge Provision 551 not applicable July 25, 2013
Terms and Conditions for Distribution Service 1192 January 1, 2010
Terms and Conditions for Competitive Suppliers 1201 May 1, 2014
Terms and Conditions for Municipal Aggregators 1202 May 1, 2014
Terms and Conditions for Greenup Service 1117 January 21, 2008
Optional Enhanced Metering Service 1170 January 1, 2010
Optional Interval Data Service 1171 January 1, 2010
Off Cycle Meter Read for Switch of Supplier 1172 January 1, 2010
2nd Feeder Service Provision 1173 January 1, 2010
Net Metering Provision 1223 November 5, 2013
Qualifying Facility Power Purchase Rate P ("P-Rate") M.D.T.E. No. 1032-C May 1, 2001
Standards for Interconnecting Distributed Generation 1219 May 1, 2013
Residential Automatic Meter Reading (AMR) Opt-Out Provision 1215 May 1, 2014
Tariff for Basic Service 1237 September 1, 2014
Supplement to Tariff for Basic Service Basic Service Tariff Supplement November 1, 2014
Basic Service Adjustment Provision 1244 July 1, 2014
Residential Assistance Adjustment Provision 1224 March 1, 2014
Storm Fund Replenishment Provision 1241 July 1, 2014
Pension/PBOP Adjustment Mechanism Provision 1229 March 1, 2014
Revenue Decoupling Mechanism (RDM) Provision 1231 March 1, 2014
Attorney General Consultant Expenses (AGCE) Provision 1226 March 1, 2014
Solar Cost Adjustment Provision 1245 July 1, 2014
Transition Cost Adjustment Provision 1169 January 1, 2010
Energy Efficiency Provision 1232 May 1, 2014
Transmission Service Cost Adjustment Provision 1225 March 1, 2014
Storm Performance Adjustment Provision 1211 March 1, 2013
Service Quality Penalty Provision not applicable 1230 March 1, 2014
Renewable Energy Recovery Provision 1235 March 6, 2014
Smart Grid Adjustment Provision 1238 September 1, 2014


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Related Information

What areas do we serve? View our Service Territory Map (pdf)