Tariff Provisions

Tariff ProvisionM.D.P.U. NumberEffective Date
Cost of Gas Adjustment Clause59.1May 1, 2024
Local Distribution Adjustment Clause60.14May 1, 2026
Distribution Service Terms and Conditions61.3October 1, 2024
Revenue Decoupling Mechanism Clause62.7October 1, 2025
Residential Non-Heating (R-1)63.5October 1, 2025
Residential Non-Heating Low Income (R-2)64.5October 1, 2025
Residential Heating – Boston Division (R-3B)65.7October 1, 2025
Residential Heating – Colonial Division (R-3C)66.6October 1, 2025
Residential Heating Low Income – Boston Division (R-4B)67.7October 1, 2025
Residential Heating Low Income – Colonial Division (R-4C)68.6October 1, 2025
Commercial & Industrial (Low Load Factor / Low Use) – Boston Division (G-41B)69.5October 1, 2025
Commercial & Industrial (Low Load Factor / Low Use) – Colonial Division (G-41C)70.5October 1, 2025
Commercial & Industrial (Low Load Factor / Low Use) – Essex (G-41E)71.5October 1, 2025
Commercial & Industrial (Low Load Factor / Medium Use) – Boston Division (G-42B)72.6October 1, 2025
Commercial & Industrial (Low Load Factor / Medium Use) – Colonial Division (G-42C)73.5October 1, 2025
Commercial & Industrial (Low Load Factor / Medium Use) – Essex (G-42E)74.5October 1, 2025
Commercial & Industrial (Low Load Factor / High Use) – Boston Division (G-43B)75.6October 1, 2025
Commercial & Industrial (Low Load Factor / High Use) – Colonial Division (G-43C)76.5October 1, 2025
Commercial & Industrial (Low Load Factor / High Use) – Essex (G-43E)77.5October 1, 2025
Commercial & Industrial (Low Load Factor / Extra-High Use) – Boston Division (G-44B)78.6October 1, 2025
Commercial & Industrial (High Load Factor / Low Use) – Boston Division (G-51B)79.6October 1, 2025
Commercial & Industrial (High Load Factor / Low Use) – Colonial Division (G-51C)80.6October 1, 2025
Commercial & Industrial (High Load Factor / Low Use) – Essex (G-51E)81.6October 1, 2025
Commercial & Industrial (High Load Factor / Medium Use) – Boston Division (G-52B)82.6October 1, 2025
Commercial & Industrial (High Load Factor / Medium Use) – Colonial Division (G-52C)83.5October 1, 2025
Commercial & Industrial (High Load Factor / Medium Use) – Essex (G-52E)84.6October 1, 2025
Commercial & Industrial (High Load Factor / High Use) – Boston Division (G-53B)85.6October 1, 2025
Commercial & Industrial (High Load Factor / High Use) – Colonial Division (G-53C)86.6October 1, 2025
Commercial & Industrial (High Load Factor / High Use) – Essex (G-53E)87.6October 1, 2025
Commercial & Industrial (High Load Factor / Extra-High Use) – Boston Division (G-54B)88.6October 1, 2025
Street Lighting – (G-7B)89.6October 1, 2025
Outdoor Gas Lighting – Boston Division (G-17B)90.6October 1, 2025
Outdoor Gas Lighting – Colonial Division (G-17C)91.6October 1, 2025
Residential Automatic Meter Reading Opt-Out Provision92October 1, 2021
Performance-Based Ratemaking Tariff93.1December 1, 2021