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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 1-24-C 1-24-C March 1, 2024
Summary of Basic Service Rates 1-24-C 1-24-C March 1, 2024
R-1 (Residential - Regular) 652 1486 October 1,
2022
R-2 (Residential - Low Income) 653 1487 October 1,
2022
G-1 (General Service, Small C&I) 644 1471 January 1, 2023
G-2 (General Service, Demand) 645 1472 January 1, 2023
G-3 (Time-of-Use) 646 1473 January 1, 2023
S-1 (Street & Area Lighting, Company Owned Equipment) 662 1505 October 1, 
2023
S-2 (Street & Area Lighting, Overhead Customer Owned Equipment) 663 1506 October 1, 
2023
S-3 (Street & Area Lighting, Underground Division of Ownership) 664 1507 October 1,
2023
S-5 (Street & Area Lighting, Customer Owned Equipment) 629 1432 October 1,
2019
S-6 (Street & Area Lighting, Decorative Company Owned Equipment) 665 1508 October 1,
2023
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 Advanced Meter Reading (AMR) Opt-Out Provision 1500 February 1, 2023
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 1538 December 1,
2023
Pension/PBOP Adjustment Mechanism Provision 1439 March 1,
2020
Revenue Decoupling Mechanism (RDM) Provision 1509 October 1, 
2023
Attorney General Consultant Expenses (AGCE) Provision 1437 March 1,
2020
Solar Cost Adjustment Provision 1477 May 1, 2022
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
Renewable Energy Recovery Provision 1540 March 1, 2024
Smart Grid Adjustment Provision 1442 May 1,
2020
SMART Provision 1510 January 1, 2024
Tax Credit Provision 1410 October 1, 2019
Vegetation Management Pilot Provision 1503 April 1,
2023
Electric Vehicle Program Provision 1504 July 1, 2023
Performance-Based Ratemaking Provision 1423 October 1, 2019
Grid Modernization Provision 1539 February 1, 2024
Electronic Payment Recovery Provision 1498 October 1, 2022
Credit Provision 1485 November 1, 2022
Advanced Metering Infrastructure Provision 1501 February 1, 2023