1. Narragansett Electric Rate Classes
Description
A16 Regular Residential
Domestic consumption in individual dwelling or apartment, and churches if not separated by public way
A60 – Low Income
Residential customers receiving eligible means tested benefits
C06-Small C&I
Customers less than 200 kW; No demand metering; includes unmetered service
G02-General C&I
10kW < Demand <200 kW
G32- Lg Demand
Demand > 200 kW
G62-Opt Lg Demand
Optional for Demand > 5 MW
Outdoor Lighting (S-05,S-06,S-10,S-14)
Company and Customer Owned
Back-up Service (B-32, B-62, CHP Minimum Demand)
Customer who receive all or a portion of requirements from non-emergency, non-renewable on-site generation

2. Delivery Service Rates
Delivery Service Charges Apply to All Customers
Customer Charge
Per Month
Fixed monthly fee that recovers cost of meter, meter reading, billing services, etc
LIHEAP Enhancement Charge
Per Month
Fund created by Henry Shelton Act to provide assistance to low income customers
Re-Growth Charge
Recovers cost of Renewable Energy Growth Program
Distribution Demand & Energy
Per kW/kWh
Recovers investment in distribution facilities and annual operating expenses
Energy Efficiency Programs
Per kWh
Recovers cost of energy efficiency programs (Electric charge includes Renewables Fund charge)
Renewable Energy Distribution Charge
Recovers cost of net metering and long-term contracts with renewable generators
Transmission Charge
Recovers costs of the high voltage transmission system billed by transmission providers
Transition Charge
Recovers residual generation-related stranded costs 2

3. Commodity Charges
Supply Services
Only applies to customers purchasing commodity from National Grid. Commodity costs are a “pass-through” to customers, i.e. National Grid makes no profit on commodity sales
After “Restructuring”, all customers may choose a 3rd party supplier..
Base Standard Offer Service Charge
Per kWh Charge combined as a single line item on customer bills
Supply provided through combination of load following contracts procured through competitive solicitation and “spot market” purchases pursuant to annual procurement plan approved by the PUC
Three customer groups: Residential; Commercial; Industrial with separate procurement strategies and pricing methodologies
Reconciling Adjustment Charge
Annual filing to reconcile revenue and expense with over/ under balance collected / refunded through factor applicable to each customer group
Renewable Energy Standard Charge
Cost of complying with Renewable Energy Standard
Administrative costs, including bad debt, associated with arranging for Standard Offer Service
SOS Admin 3

4. Base Distribution Rates
Rate Class
Distribution Rate Design
A16 – Reg. Res
Monthly Customer Charge / per kWh Charge
A60 – Low Inc.
per kWh Charge (designed to provide 50% discount from A-16)
C06-
Small C&I
Customer/location Charge / Per kWh charge
G02-Gen. C&I
Monthly Customer Charge (incl. minimum demand for G02 (10kW) and G32 (200kW)
Demand Charge
-kW / 90%kVA / 75% ratchet
-Peak period applies to G32/62
-Optional Determination of Demand
-Voltage Discounts
Per kWh charge (except G-62)
Back-up Rates
G32-
Lg Demand
G62-
Opt Lg Demand

5. Cost Recovery Mechanisms
Filing Due Date
Effective Date of Rate Change
Filing
October 15
January 1
LIHEAP Enhancement Plan Charge
October 15/November 1 for new triennial Plan
Energy Efficiency ("EE") Charge
November 15/May 15
Jan 1/ Jul 1
Long-Term Contracting Charge
Oct 15/Jan 15/Apr 15/July 15
Jan1/April1/Jul 1/Oct 1
Standard Offer Service ("SOS") Procurement Filing - Residential, Commercial and Industrial Groups
December 31
April 1
Infrastructure, Safety and Reliability ("ISR") Fiscal Year Plan Filing
by February 15
Annual Reconciliation Filing (SOS, Transmission, Transition, Net Metering)
By February 28
Renewable Energy Standard Charge and Reconciliation
May 15
July 1
Revenue Decoupling Adjustment Factor Filing
By June 30
Oct 1
Re-Growth Annual Charge Filing and Reconciliation
August 1
October 1
ISR Reconciliation Adjustment Filing 5