1. Opportunities in the Changing Energy System
Chile-California Clean Energy Conference
Alex Portilla, Manager, Grid Innovation
Pacific Gas and Electric Company (PG&E)
April 18, 2018

2. Introduction to PG&E Company Facts Energy Supply Service Territory
Fortune 200 company located in San Francisco, CA
$17.1B in operating revenues in 2017
Over 20,000 employees
Energy Supply
Services to 16M people:
5.4M Electric accounts
4.3M Natural Gas accounts
Peak electricity demand: Approx. 21,000 MW
Approx. 69% of PG&E’s electric supply comes from
non-greenhouse gas emitting facilities (2016)
Service Territory
70,000 sq. miles with diverse topography
125,000 circuit miles of electric T&D Lines
800 Distribution Substations and 3,200 Distribution Feeders

3. PG&E Energy Portfolio (2016)
new PV interconnections per month
39MW in February
new EV registrations per month

4. The California Energy Landscape is Changing Rapidly
Drivers of Change
Environmental leadership policies

5. 50% renewables by 2030 1.3GW Battery Storage by 2024
The California Energy Landscape is Changing Rapidly
Drivers of Change
Environmental leadership policies
California Greenhouse Gas Reduction Goals and Historic Emissions*
California is Targeting:
Million metric tons CO2e
50% renewables by 2030
AB 32 requires California to return to 1990 levels by 2020
Historic Emissions
Industrial
SB 32 requires at least 40% below 1990 levels by 2030
1.3GW Battery Storage by 2024
Electricity Generation
Transportation
1.5M electric vehicles by 2025
Res. & Comm.
Ag. & Forestry
2015
2020
2025
2030

6. The California Energy Landscape is Changing Rapidly
Drivers of Change
Environmental leadership policies
15₵ / kWh
Rooftop Solar
$30,000
Rapidly advancing
technology
Electric Vehicles
-73% in 6 Yrs.
Lithium-ion Prices

7. 350k 150K The California Energy Landscape is Changing Rapidly
Drivers of Change
Environmental leadership policies
Rapidly advancing
technology
350k
(3,000 MW)
new PV interconnections per month
39MW in February
new EV registrations per month
Customer Solar
Increasing customer choice and engagement
150K
Electric Vehicles

8. Smart Grid functionality restores the balance
Electric Grid Evolution
Traditionally, the grid has operated by transporting electricity in one direction, from generation through transmission and distribution lines to customers, but changes are coming
Power Plants
Electric Grid
Customers
Utility-scale Storage
Distributed Storage
Nuclear Power Plants
Transmission Lines
Natural Gas Generators
PG&E is moving to a sustainable electric system.
Here you see our traditional electric system, with centralized generation, a transmission and distribution system, and consumers. The traditional electric system is designed for a one-way flow of electricity – from centralized generation facilities out to customers.
<advance>
The movement to a sustainable electric system begins with deploying increasing amounts of utility-scale intermittent renewable energy sources such as wind farms and solar power plants.
It also includes broad-based deployment of distributed – and intermittent - renewable generation, such as solar PV, and adoption of plug-in electric vehicles.
It includes deployment of both utility-scale storage and distributed storage at the level of individual customers.
And, finally, it includes deploying a Smart Grid capable of tying all these pieces together into an integrated whole that can:
Deliver reliable electric service from an increasingly diverse collection of intermittent (and unpredictable) electric generation facilities, from large-scale wind farms and solar thermal power plants to small-scale, distributed solar panels
Sustainably support widespread adoption of electric vehicles
Engage customers to use electricity more wisely (i.e. less wastefully) through energy awareness and automation of energy use
Optimize the efficient use of electric system assets to drive down the cost of the electric system
Solar Farms / Power Plants
Wind Farms
Smart Grid functionality restores the balance
Plug-in Electric Vehicles
Rooftop Solar
Distribution Substations
Hydro Power Plants

9. Grid Modernization in the context of DER Growth
Enabling DER growth and DER grid services will require incremental investment on top of foundational investments necessary for safety and reliability.
Additional DER benefits depend upon and leverage the foundational grid investments.
PG&E is moving to a sustainable electric system.
Here you see our traditional electric system, with centralized generation, a transmission and distribution system, and consumers. The traditional electric system is designed for a one-way flow of electricity – from centralized generation facilities out to customers.
<advance>
The movement to a sustainable electric system begins with deploying increasing amounts of utility-scale intermittent renewable energy sources such as wind farms and solar power plants.
It also includes broad-based deployment of distributed – and intermittent - renewable generation, such as solar PV, and adoption of plug-in electric vehicles.
It includes deployment of both utility-scale storage and distributed storage at the level of individual customers.
And, finally, it includes deploying a Smart Grid capable of tying all these pieces together into an integrated whole that can:
Deliver reliable electric service from an increasingly diverse collection of intermittent (and unpredictable) electric generation facilities, from large-scale wind farms and solar thermal power plants to small-scale, distributed solar panels
Sustainably support widespread adoption of electric vehicles
Engage customers to use electricity more wisely (i.e. less wastefully) through energy awareness and automation of energy use
Optimize the efficient use of electric system assets to drive down the cost of the electric system

10. Key Capabilities for the Distribution System Operator
An Integrated Grid Platform will be needed to enhance the safety and reliability of a high DER penetration grid and enable value creation for all customers from DER 1
Situational awareness of DER contributions, flexibility and “hidden load” 2
Advanced forecasting and alerting for operational impacts due to DER 3
Proactively controlling DER to help manage the electric network and maintain reliability

11. Draft -- For Internal Use Only
Thank you for listening
Alex Portilla – Manager, Grid Innovation | PG&E