SmartMeter

Program Overview

Jana Corey Director, Energy Information Network Pacific Gas & Electric Company

Pacific Gas and Electric Company

► Energy Services to about 15 M People: ► 5.2 M Electric Customer Accounts ► 4.4 M Natural Gas Customer Accts ► 70,000 square miles with diverse topography ► ~20,000 Employees ► Regulated by the California Public Utilities Commission (CPUC)

2

Balancing Competing Priorities

Reliable Service Environmental Sustainability Reasonable Cost Smart Grid 3

Smart Grid Will Enable A Sustainable Electric System

Renewable Electric Generation Efficient Electric Delivery Managed Electric Demand

4

PG&E’s SmartMeter Program

►

Automated meter reading for all customers

► 10 million meter upgrades ► A communications network ► IT systems ►

Frequent meter reads

- daily for gas, hourly or 15 minute interval for electric ►

Enhanced customer benefits over time

► Automated meter reading ► Secure online access to detailed energy usage data ► Better billing; reduction in call volumes ► Outage management ► Remote connect / disconnect, load-limiting ► Home area networking

5

SmartMeter Dual Network Architecture

Radio Frequency Mesh Electric Network

Network Access Point Data Collector Unit

Radio Frequency Gas Network

6

SmartMeter Timeline Key Functionality Milestones 2007

Replatform IT systems for high data volumes Anchor bill on automated reads

2008

Bill on interval reads (for select customers) Secure customer online access to interval usage data Successful rollout of SmartRate (res. CPP)

2009 (targeted)

Outage management Electric remote connect / disconnect

December 2008 – 1.7 million meters installed 2005 - Project start 2006 - Vacaville Test Fall 2006 – Begin Full Deployment Millionth meter installed 9/5/08 2007 2008 2009 10.1 million meters installed 2010 2011 7

SmartMeter Deployment Challenges

►

Meter Issues

► Meter access ► Obstructed meters ► Multiple meter designs ► Handling for special meter types (e.g. TOU meters) ►

Evolving Electric Technologies

► Maintaining deployment momentum ►

Vendor Issues

► Ramping supply chain to deliver required volumes ► Deployment vendor resource flexibility ►

Network Siting

► Availability of overhead structures for RF network equipment ►

Optimizing Realization of Program Benefits

Variety of obstructed gas meters

8

SmartMeter IT Challenges

►

Scale & Complexity

► ► ► Establishing IT platform to handle huge volumes of data Scaling meter data management Integration complexity – many system interfaces ►

Standards

► Immature industry standards ► Driving an open, standards-based solution with multiple vendors ►

Vendors

► Vendors’ early-stage products; limited experience and resources ►

Distributed Computing

► ► How to best leveraged distributed processing capacity Ensuring robust security

9

Successful deployment of SmartRate pricing plan

Recruitment

► 10,000 voluntary participants in summer 2008

Experience

► Across 9 called events, achieved average residential customer reduction of

16.6%,

and an average non-CARE residential customer reduction of an impressive

22.6%

► 7 of 10 customers saw a reduction in their cumulative summer bills

Retention

► 90% of customers intend to stay on the plan in 2009 Rollout follows

SmartMeter

program deployment

10

Online Customer Access to Usage Information

► Displays energy usage by billing cycle, month, or week ► Displays hourly electric usage by day ► Ability to overlay temperature ► SmartRate customers view usage “framed” by peak periods ► Customer service reps able to view same graphs online

11

Smart Grid Expands Sensing And Control Into Customer Premise

In-Home Network

Network Access Point Public Wireless Network SmartMeter™ Electric Meter 12

Home Energy Management

Advanced Enhanced Basic

 Simple high-low indicator  More comprehensive in home displays (usage, cost, time)  Programmable Communicating Thermostat (PCT)  Fully automated intelligent energy management system  Other automated/ programmable appliances  Electric vehicle charging / storage  Distributed generation and storage

13

End-Use Technologies

Devices Home Area Network (HAN)

Energy displays Smart appliances & electronics Programmable communicating thermostat Advanced lighting controls Customer generation / storage monitoring controls Smart xEV charger

Services Integrated Energy Management

Usage information & analysis Pricing options – variable, pre-pay Automated demand response Time-based lighting Fully-leveraged customer generation and storage capability Time- or rate-based xEV charging

SmartMeter

Automated Metering Infrastructure Smart Grid

Pervasive Sensing, Communication, Computing, and Control

14

Automated Energy Management Generates Negawatts

Martinez, CA office building electricity use with and without automated demand response, June 21, 2006

15

Smart Grid Enables Electric Vehicle Smart Charging

Time-shifting Electricity Home Area Network AMI/SmartGrid

16

At PG&E, We Are Committed to Sustainability

17

Discussion

18