Interconnection of Distributed Generation in New York ...

Department of Public Service

Interconnection of Distributed Generation in New York State: A Utility Readiness Assessment

Final Report

September 2015

Report Number 15-28

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Interconnection of Distributed Generation in New York State: A Utility Readiness Assessment

Final Report

Prepared for: New York State Energy Research and Development Authority (NYSERDA)

and New York State Department of Public Service (NYS DPS)

Prepared by: Electric Power Research Institute (EPRI)

Knoxville, TN Tom Key

Senior Technical Executive Lindsey Rogers Technical Leader Nadav Enbar

Principal Project Manager David Freestate Project Engineer

NYSERDA Report 15-28

NYSERDA Contract 64587

September 2015

Notice

This report was prepared by Electric Power Research Institute (EPRI) in the course of performing work contracted for and sponsored by the New York State Energy Research and Development Authority (hereafter "NYSERDA"). The opinions expressed in this report do not necessarily reflect those of NYSERDA or the State of New York, and reference to any specific product, service, process, or method does not constitute an implied or expressed recommendation or endorsement of it. Further, NYSERDA, the State of New York, and the contractor make no warranties or representations, expressed or implied, as to the fitness for particular purpose or merchantability of any product, apparatus, or service, or the usefulness, completeness, or accuracy of any processes, methods, or other information contained, described, disclosed, or referred to in this report. NYSERDA, the State of New York, and the contractor make no representation that the use of any product, apparatus, process, method, or other information will not infringe privately owned rights and will assume no liability for any loss, injury, or damage resulting from, or occurring in connection with, the use of information contained, described, disclosed, or referred to in this report.

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Acknowledgements

The project sponsors and EPRI would like to thank each of the New York utilities--Central Hudson, Consolidated Edison, Iberdrola (which contains New York State Electric and Gas and Rochester Gas & Electric), National Grid, Orange & Rockland, and PSEG Long Island--for the time and effort they devoted to this study. In addition, EPRI specifically acknowledges our sponsors including New York Department of Public Service, NYSERDA, and New York Power Authority (NYPA) for their steady direction offered throughout this study.

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Table of Contents

Notice........................................................................................................................................ ii Acknowledgements ................................................................................................................. ii List of Figures ..........................................................................................................................iv List of Tables............................................................................................................................iv 1 Introduction....................................................................................................................... 1

1.1 NY Standardized Interconnection Requirements (NY SIR) .......................................................... 3 1.2 Reforming the Energy Vision (REV).............................................................................................. 4 1.3 Transitioning the NY SIR to Alignment with REV: A Gap Analysis.............................................. 5

1.3.1 Study Approach and Scope .................................................................................................. 5

2 Landscape of Current Utility Interconnection Procedures ............................................ 8

2.1 Comparative Utility Approaches.................................................................................................... 8 2.2 Documented Utility Practices: Commonalities and Differentiations ............................................ 13

2.2.1 Website Functionality .......................................................................................................... 14 2.2.2 Application Status Communication ..................................................................................... 15 2.2.3 Customer Communications ................................................................................................. 16 2.2.4 Customer Information: Privacy and Security....................................................................... 16 2.2.5 Approval Path Delineations ................................................................................................. 17 2.2.6 Utility Staffing and Internal Communication Flows.............................................................. 18 2.2.7 Billing and Payment Procedures ......................................................................................... 19 2.2.8 Software Tools and Their Integration .................................................................................. 21 2.2.9 CESIR Process ................................................................................................................... 23 2.2.10 Electronic Mapping (GIS) .................................................................................................... 24 2.2.11 Metering Procedures ........................................................................................................... 25 2.3 Leading Practices........................................................................................................................ 26

3 Utility Self-Assessment Summaries ...............................................................................28

3.1 Central Hudson Self-Assessment ............................................................................................... 28 3.2 Consolidated Edison Self-Assessment ....................................................................................... 31 3.3 Iberdrola (NYSEG/RG&E) Self Assessment............................................................................... 34 3.4 National Grid Self Assessment ................................................................................................... 37 3.5 Orange & Rockland Self-Assessment......................................................................................... 40 3.6 PSEG Long Island Self-Assessment .......................................................................................... 43

4 Readiness Assessment and Gap Analysis ....................................................................48

4.1 Readiness Indicators................................................................................................................... 49

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