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Tariff Provisions

M.D.P.U. Number
Tariff Provision Nantucket Electric Massachusetts Electric Effective
Date
Summary of Electric Delivery Service Rates 1-21-J 1-21-J November 1, 2021
Summary of Basic Service Rates 1-21-J 1-21-J November 1, 2021
R-1 (Residential - Regular) 621 1424 October 1,
2019
R-2 (Residential - Low Income) 622 1425 October 1,
2019
G-1 (General Service, Small C&I) 623 1426 October 1,
2019
G-2 (General Service, Demand) 624 1427 October 1,
2019
G-3 (Time-of-Use) 625 1428 October 1,
2019
S-1 (Street & Area Lighting, Company Owned Equipment) 640 1464 October 1, 
2021
S-2 (Street & Area Lighting, Overhead Customer Owned Equipment) 641 1465 October 1, 
2021
S-3 (Street & Area Lighting, Underground Division of Ownership) 642 1466 October 1,
2021
S-5 (Street & Area Lighting, Customer Owned Equipment) 629 1432 October 1,
2019
S-6 (Street & Area Lighting, Decorative Company Owned Equipment) 643 1467 October 1,
2021
Cable Facilities Surcharge Provision 631 not applicable June 1,
2020
Terms and Conditions for Distribution Service 1412 October 1,
2019
Terms and Conditions for Competitive Suppliers 1420 October 1,
2019
Terms and Conditions for Municipal Aggregators 1421 October 1,
2019
Terms and Conditions for Greenup Service 1117 January 21, 2008
Optional Enhanced Metering Service 1318 October 1,
2016
Optional Interval Data Service 1319 October 1,
2016
Off Cycle Meter Read for Switch of Supplier 1418 October 1,
2019
2nd Feeder Service Provision 1173 January 1,
2010
Net Metering Provision 1446 June 10, 
2020
Qualifying Facility Power Purchase Rate P ("P-Rate") 1321 October 1,
2016
Standards for Interconnecting Distributed Generation 1468 September 15,
2021
Residential Automatic Meter Reading (AMR) Opt-Out Provision 1215 May 1,
2014
Tariff for Basic Service 1443 May 1,
2020
Basic Service Adjustment Provision 1457 May 1,
2021
Residential Assistance Adjustment Provision 1413 October 1,
2019
Storm Fund Replenishment Provision 1409 October 1,
2019
Pension/PBOP Adjustment Mechanism Provision 1439 March 1,
2020
Revenue Decoupling Mechanism (RDM) Provision 1463 October 1, 
2021
Capital Investment Recovery Provision 1417 October 1, 2019
Attorney General Consultant Expenses (AGCE) Provision 1437 March 1,
2020
Solar Cost Adjustment Provision 1474 November 1, 2021
Transition Cost Adjustment Provision 1169 January 1, 2010
Energy Efficiency Provision 1444 May 1, 2020
Transmission Service Cost Adjustment Provision 1225 March 1,
2014
Storm Performance Adjustment Provision 1405 May 1,
2019
Service Quality Penalty Provision not applicable. 1230 March 1,
2014
Renewable Energy Recovery Provision 1361 September 1, 2019
Smart Grid Adjustment Provision 1442 May 1,
2020
SMART Provision 1434 January 1, 2021
Tax Credit Provision 1410 October 1, 2019
Vegetation Management Pilot Provision 1435 March 1,
2020
Electric Vehicle Program Provision 1447 May 1,
2020
Performance-Based Ratemaking Provision 1423 October 1, 2019
Grid Modernization Provision 1445 May 1,
2020