NREL is a national laboratory of the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, operated by the Alliance for Sustainable Energy, LLC.

Distributed Generation Interconnection

Collaborative (DGIC)

“Innovation in the Interconnection Application Process”

Ken Parks, SDG&E and Bob Woerner, PG&E

April 2, 2014

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Purpose of Today’s Meeting

• Learn about recent innovations in the distributed PV interconnection process

• Examine how certain challenges related to increased demand for distributed PV can be addressed through revised application processes and procedures

• Hear specific examples from electric utilities in mature solar markets (SDG&E and PG&E)

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Speakers

Ken Parks Customer Generation Manager

for the Distribution System SDG&E

Bob Woerner Senior Director in

Electric Operations PG&E Kristen Ardani

Solar Analyst, (today’s moderator)

NREL

DISTRIBUTION INTERCONNECTION INFORMATION SYSTEM

4 © 2011San Diego Gas & Electric Company. All copyright and trademark rights reserved.

Net Energy Metering

Net Energy Metering 2013 Highlights

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• 108% increase in authorizations from 2012

• Approximately 11,000 total projects installed

• On average, it took five (5) calendar days for SDG&E to authorize parallel operation

• 13,100 NEM Applications Processed

• 1,173 NEM “Fast Track” Applications Processed

• 10,710 successful remote meter changes

GROWTH OF NEM INSTALLS

0

5000

10000

15000

20000

25000

2009 2010 2011 2012 2013 2014*

SDG&E Annual NEM Installs

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• 108% increase in authorizations in 2013 compared to 2012

• Total projects installed in 2013 – Approximately 11,000

• Time to authorize dropped to 5 calendar days

• Headcount pressure reduced

• Reduced contractor costs and time

*Projected

GROWTH OF NEM INSTALLS

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NEM GROWTH CHALLENGES

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• Strain on internal teams and processes • Meter shop unable to meet demand • Increase in authorization time • Bottleneck at SDG&E • Pressure to increase headcount • Skyrocketing costs • No off the shelf solution

DIIS Functionality Overview

9 9

Global database of all forms of customer generation for internal departments

Automated application tracking

Automated status update notifications for the customers (emails)

Integration with Customer System, Data Warehouse, and GIS Empowers contractors to manage their own business through self-service tools and monitor every milestone within the utility’s control

DIIS

Rule 21 NEM

Rule 21 DG/FIT

WDAT FERC

AES

EV

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Capital project approval, funding and team kickoff

on Jan 2012

~ 12 FTEs dedicated to the project

Over 18,000 people hours invested to date

~ 2.1 M invested in development

Launched on February 19, 2013

13 releases to date

DIIS FACTS

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Component Avoided Costs

Comment

Net Energy Metering Application Process

$1,090,000 13,100 Applications Processed

Net Energy Metering FastTrack Process

$100,500 1,763 FastTrack Applications Processed

Remote Meter Configuration (RMC)

$1,145,970 10,710 Successful Meter Program Change-outs

Total $2,336,470

DIIS BUSINESS IMPACT AFTER ONE YEAR

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$-

$2

$4

$6

$8

$10

2013 2014 2015 2016

$M SDG&E Projected Savings

Current Year Cummulative* Does not include contractor savings or other soft benefits

OTHER BENEFITS

• Doubled processed applications in 2013

• Time to authorize dropped to 5 calendar days

• Headcount pressure reduced

• Reduced contractor costs and time

ANNUALIZED SDG&E SAVINGS

DIIS OBJECTIVES

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• Be connected with our customers • Be transparent within every

milestone under SDG&E control • Reduced timeframe for authorization • Authority having jurisdiction inspections

will automatically update DIIS database • DIIS Remote Meter Configuration • Future Business Opportunities

DIIS OVERVIEW

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• Automated application process and online tool for contractors and customers to manage interconnections

• Real time status updates and notifications • Self Service management portal for contractors • Rich reporting and analytics • Tools to manage internal workflow of inspectors,

distribution analysts and GIS • Remote Meter Configuration, RPF management,

and FastTrack • Accessible from web, tablet and smart phones • Extensible and scalable architecture

DIIS CAPABILITIES OVERVIEW

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Advanced Search

Go Solar Connectivity

Account Verification

Customer at a Glance

DIIS CAPABILITIES OVERVIEW

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Reverse Power Flow History tracking

Automated notifications Auto save

FUTURE PRODUCT ROADMAP

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• Advanced search functionality • Automated email enhancements • System sizing • Authority having jurisdiction integration • Solar statistics capture • Advanced energy storage, electric vehicles

and other Rule 21 • Future applications for FERC process

THANK YOU

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Ken Parks, Customer Generation Manager

8316 Century Park Court, CP52F San Diego, CA 92123 Office: (858) 636-5581 www.sdge.com/nem

KParks@semprautilities.com

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Register for Next DGIC Webinar: April 30th

Minimum Day Time Load Calculation and Screening The “Minimum Day Time Load Calculation and Screening,” webinar will feature speakers Babak Enayati, Senior Protection Engineer at National Grid, Dora Nakafuji, Director of Renewable Energy Planning at Hawaiian Electric Company (HECO), and Anthony Hong, Director of Principal Distribution Planning at HECO. The webinar will explain the Massachusetts Technical Standards Review Group’s recommendation to adopt 100% minimum day time load screen and provide an example of how minimum day time load data is gathered and incorporated into the screening process.

https://www3.gotomeeting.com/register/170442518

Thank you!