Rates, Tariffs, Terms & Conditions
Tariffs on file with the Massachusetts Department of Public Utilities
- M.D.P.U. No. 1052 - Summary of Electric Delivery Service Rates for All Customers
(PDF:110KB)
- Terms and Conditions for Distribution Service
(PDF:147KB)
- Terms And Conditions For Competitive Suppliers
(PDF:68KB)
- Basic Service
(PDF:28KB)
Generation Service applicable to customers who do not receive Competitive Supply.
- Residential Assistance Adjustment Clause (RAAC)
(PDF:30KB)
Cost recovery mechanism for residential assistance revenues.
- Pension/PBOP Adjustment Mechanism (PPAM)
(PDF:16KB)
- Exogenous Cost Adjustment Mechanism (ECAM)
(PDF:14KB)
- Energy Efficiency Charges
(PDF:12KB)
Applicable to all retail delivery tariffs.
- REN Renewable Energy Adjustment
(PDF:3KB)
Applicable to all retail delivery tariffs.
-
Standards for Interconnecting Distributed Generation
(PDF:523KB)
This tariff describes the process and requirements for an Interconnecting Customer to connect a power-generating facility to the Company’s Electric Power System.
-
Net Metering Tariff
(PDF:54KB)
-
Solar Program Cost Adjustment (SPCA)
(PDF:52KB)
- Attorney General Consultant Expenses
(PDF:8KB)
Cost recovery mechanism for costs incurred by the Attorney General of Massachusetts for experts and consultants that were used in WMECo’s latest rate case.
- Storm Recovery Reserve Cost Adjustment
(PDF:10KB)
Cost recovery mechanism for storm fund deficit incurred over the past three years and increase in annual storm cost reserve.
- Revenue Decoupling Mechanism
(PDF:14KB)
The overall mechanism to adjust rates on an annual basis to reflect reconciliation of Target Revenue vs. Actual Revenue.
- Long-Term Renewable Contract Adjustment Mechanism (LRCA)
(PDF:52KB)
- Rate R-1 Residential Electric (Non-heating)
(PDF:14KB)
Single family homes, apartments, and farms where residential uses are more than 50% of energy use.
- Inclining Block Rate (600 kWh breakpoint)
- Rate R-2 Residential - Residential Discount Rate (Non-heating)
(PDF:20KB)
Single family homes, apartments, and farms where residential uses are more than 50% of energy use.
- Low Income
- Inclining Block Rate (600 kWh breakpoint)
- Rate R-3 Residential Space Electric Heating
(PDF:15KB)
Single family homes, apartments, and farms where residential uses are more than 50% of energy use.
- Inclining Block Rate (1000 kWh breakpoint)
- Rate R-4 Residential Space Heating - Residential Discount Rate
(PDF:19KB)
Single family homes, apartments, and farms where residential uses are more than
50% of energy use.
- Low Income
- Inclining Block Rate (1000 kWh breakpoint)
- Rate 23 Optional Controlled
Water Heating Electric
(PDF:14KB)
Used for water heating only, no space or C&I process heating. Small General Service Rates with restricted applicability for residential. This rate is not available to new applicants after February 1, 2011
- Rate 24 Optional Church
(PDF:16KB)
Places of worship with Annual Maximum Demands less than 350 kW, closed to new customers.
- Rate G-0 Small General Service
(PDF:19KB)
General Service for customers with Annual Maximum Demands less than 350 kW, designed for smaller, secondary distribution service customers, allows unmetered service, such as outdoor lighting, that runs on a fixed schedule of hours.
- Rate G-2 Primary General Service
(PDF:21KB)
General Service for customers with Annual Maximum Demands less than 350 kW, designed for primary distribution service customers who are larger than G-0, but smaller than T-2 customers.
- Rate T-0 Small General Service Time-Of-Use
(PDF:17KB)
Optional Rate for G-0 Customers.
- Rate T-2 Large Primary Service Time-Of-Use
(PDF:22KB)
Customers whose maximum demand equaled or exceeded 350 kW but less than 2,500 kW at any time in the most recent 12 months and new customers whose demand is anticipated to equal or exceed 350 kW but less than 2,500 kW within one year must take service under this rate.
- Rate T-4 Primary General Service Time-Of-Use
(PDF:20KB)
Optional Rate for G-2 Customers.
- Rate T-5 Extra Large Primary Service Time-Of-Use
(PDF:14KB)
Customers whose maximum demand equaled or exceeded 2,500 kW at any time in the most recent 12 months and new customers whose demand is anticipated to equal or exceed 2,500 kW within one year must take service under this rate.
- Rate S-1 Street and Security Lighting
(PDF:27KB)
Road and parking lighting using company owned equipment and poles, unmetered.
- Rate S-2 Partial Street Lighting Service
(PDF:18KB)
Road and parking lighting using customer owned equipment and poles, unmetered.
- Rate PR Standby and Supplemental Power Service for Partial Requirements General Service Customers
(PDF:28KB)
Customers that self-generate, but need additional energy regularly to operate, and/or with a need for service during periods when the customer's generation is unavailable. This rate is not available to new applicants after September 17, 1999. As approved by the MA DPU, this rate will be eliminated on February 1, 2013.
- Load Response Program (LRP)
(PDF:46KB)
ISO-NE Load Response Program for customers capable of reducing a minimum of 100 kW.
- TDR Transitory Demand Rider
(PDF:4KB)
Waives any bill consequences beyond the month of occurrence of a previously approved spike in a customer's one month's demand above currently prevailing maximum demand.
- PPS Power Purchase Schedule
(PDF:7KB)
Customers that self-generate with excess energy to sell to the company. No other contract for sale of power.
- Transition Cost Adjustment
(PDF:38KB)
Applicable to all customers provides a means by which stranded cost recovery can be adjusted.
- Transmission Cost Adjustment
(PDF:28KB)
Applicable to all customers provides a means by which stranded cost recovery can be adjusted.
- FDR Farm Discount Rider
(PDF:3KB)
Applicable to certified farm customers; provides an additional discount at farm location.
- Interval Load Data Services
(PDF:1KB)
Available for an additional fee to Customers and Suppliers who wish to acquire, develop or analyze time interval meter data.
- Extended Metering Options
(PDF:1KB)
Available to Customers and Suppliers for an additional fee.
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