SunSpec Alliance. Information Standards for Distributed Energy. October 2015

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1 SunSpec Alliance Information Standards for Distributed Energy October

2 ESNA SunSpec Open Meeting SunSpec Workgroups/Initiatives Overview Tom Tansy (10) Smart Inverter Workgroup, Bob Fox - SunSpec (10) Energy Storage Workgroup, Bob Fox - SunSpec (10) SunSpec Intro System Validation Tool Set & Sandia Experience Bob Fox & Jay Johnson - Sandia National Laboratories (25) Smart Inverters CSI 4 EPRI Inverter/Communications Project Tom Tansy & Brian Seal - EPRI (20) SunSpec California Smart Energy + Storage Project Tom Tansy (10) Agenda New SEP2/IEEE Initiative Formation (5 + 15) Tom Tansy & James Mater - Quality Logic Wrap Up (10) TJ Keating

3 About the SunSpec Alliance A trade alliance of global competitors, collaborators & trading partners pursuing smart distributed energy market Producer of de facto open information standards for Distributed Energy Provides bridge to industry adoption of international standards such as IEC Full testing and certification service for protocols Solar PV and storage market focus

SunSpec Specifications Inverter Meter Modbus, HTTP,

Risk Assessment String Module Storage Gateway

SCADA Enviro Regulatory Reporting Tracker Solar Plant

5 SunSpec Specifications Inverter Meter Modbus, HTTP, ZigBee, OPC, DNP3, PLC Bulk Data Exchange Finance Risk Assessment String Module Storage Gateway Internet VPN Data Store Data Center Grid Operations SCADA Enviro Regulatory Reporting Tracker Solar Plant End-To-End Security, Monitoring & Control Custom Apps Applications

6 Compatible With International Standards Function SunSpec IEC IEEE DNP3 Nameplate Ratings Basic Settings Measurements and Status Immediate Controls (Power, PF, and VAr) Dynamic Reactive Current Control curves Volt-VAr Watt-Power Factor Frequency-Watt Voltage Ride-through Frequency Ride-through Pricing Signals Basic Scheduling

7 Asset Managers, Owners & Aggregators Utilities SunSpec System Architecture Data Exchange & Data API Data Exchange & Data API SunSpec Smart Systems and Fleets Data Exchange & Data API Energy Exchanges Smart Panels SunSpec Smart Smart Combiners Energy Devices Smart Energy Storage Smart Instruments & Controllers Smart Inverters & Micro-inverters Data Exchange & Data API Actuary Data Base Example: osparc Financial Markets

8 SunSpec Smart Inverter SunSpec Smart Storage SunSpec Smart Panel SunSpec Smart Meter SunSpec Smart String Combiner SunSpec Smart Enviro SunSpec Smart Tracker End-to-End Communication Solutions Investor Reporting Service Continuity Grid Control Operations Asset Management Maintenance SunSpec Plant Definition SunSpec Data Exchange SunSpec Data API WAN/Cloud LAN/Field Bus SunSpec Data Exchange SunSpec Data API

9 Resources For Specification Development Experienced specification development staff Subject matter experts from member organizations Test tools, reference software, web resources Access to (inter)national research laboratories Federal and state funding for market expansion

10 Current SunSpec Work Groups Asset Lifecycle Performance SREC Inverter Energy Storage Panel-Level Rapid Shutdown

11 ESNA SunSpec Open Meeting SunSpec Workgroups/Initiatives Overview Tom Tansy (10) Smart Inverter Workgroup, Bob Fox - SunSpec (10) Energy Storage Workgroup, Bob Fox - SunSpec (10) SunSpec Intro System Validation Tool Set & Sandia Experience Bob Fox & Jay Johnson - Sandia National Laboratories (25) Smart Inverters CSI 4 EPRI Inverter/Communications Project Tom Tansy & Brian Seal - EPRI (20) SunSpec California Smart Energy + Storage Project Tom Tansy (10) New SEP2/IEEE Initiative Formation (5 + 15) Tom Tansy & James Mater - Quality Logic Wrap Up (10) Agenda

12 Inverter Workgroup Mission The inverter workgroup considers topics related to SunSpec inverter support. The main activities are concerned with proposals related to creation and support of the SunSpec inverter information models. The current major topics are: SunSpec Rule 21/UL 1741 compliance, SunSpec IEEE (SEP2) mapping, SunSpec four quadrant inverter support.

13 Inverter Workgroup Leaders/Schedule Leaders Bill Randle, Advanced Energy Bob Fox, SunSpec Alliance Schedule Every other Tuesday at 8:00am PT via GotoMeeting

14 Inverter Workgroup Work Products SunSpec Inverter Specification SunSpec Information Models Proposed Changes SunSpec UL1741 Supplement A Implementation Guide SunSpec IEEE (SEP2) Implementation Guide

15 ESNA SunSpec Open Meeting SunSpec Workgroups/Initiatives Overview Tom Tansy (10) Smart Inverter Workgroup, Bob Fox - SunSpec (10) Energy Storage Workgroup, Bob Fox - SunSpec (10) SunSpec Intro System Validation Tool Set & Sandia Experience Bob Fox & Jay Johnson - Sandia National Laboratories (25) Smart Inverters CSI 4 EPRI Inverter/Communications Project Tom Tansy & Brian Seal - EPRI (20) SunSpec California Smart Energy + Storage Project Tom Tansy (10) New SEP2/IEEE Initiative Formation (5 + 15) Tom Tansy & James Mater - Quality Logic Wrap Up (10) Agenda

16 Storage Workgroup Mission The storage workgroup considers topics related to SunSpec energy storage support. The main activities are concerned with proposals related to creation and support of the SunSpec energy storage models. The group is currently focused on introducing models to support flow batteries.

17 Storage Workgroup Leaders/Schedule Leaders Andrew Miller, 1Energy Systems Bob Fox, SunSpec Alliance Schedule Every other Thursday 10:00am PT via GotoMeeting

18 Storage Workgroup Work Products SunSpec Energy Storage Information Models SunSpec Energy Storage Specification Models: Lithium Ion Flow Batteries

SunSpec Energy Storage SunSpec Inverter 100 Series Specifications Inverter/ Power Conversion Utility

Energy Storage Technologies: Technologies: Lithium, Lead, Flow Lithium, Lead, Flow, etc.

Models Are Lego Bricks of Energy Storage Systems SunSpec Power Inverter SunSpec Energy Storage SunSpec Meter

19 SunSpec Energy Storage SunSpec Inverter 100 Series Specifications Inverter/ Power Conversion Utility Operations SunSpec Energy Storage System SunSpec Energy Storage Storage Models 800 Series Specifications Energy Storage Technologies: Technologies: Lithium, Lead, Flow Lithium, Lead, Flow, etc. SunSpec Meter SunSpec Meter Models 200 Series 200 Series Specifications Specifications Meter Meter SunSpec Models Are Lego Bricks of Energy Storage Systems SunSpec Power Inverter SunSpec Energy Storage SunSpec Meter SunSpec Aligns With Standards IEC DER Models IEEE 1815 (DNP3) IEEE (SEP2.0) MESA Standards Alliance adopted the SunSpec ESS as MESA DEVICE 19

20 ESNA SunSpec Open Meeting SunSpec Workgroups/Initiatives Overview Tom Tansy (10) Smart Inverter Workgroup, Bob Fox - SunSpec (10) Energy Storage Workgroup, Bob Fox - SunSpec (10) SunSpec Intro System Validation Tool Set & Sandia Experience Bob Fox & Jay Johnson - Sandia National Laboratories (25) Smart Inverters CSI 4 EPRI Inverter/Communications Project Tom Tansy & Brian Seal - EPRI (20) SunSpec California Smart Energy + Storage Project Tom Tansy (10) New SEP2/IEEE Initiative Formation (5 + 15) Tom Tansy & James Mater - Quality Logic Wrap Up (10) Agenda

21 System Validation Platform Rich set of Python objects Framework to script the objects GUI or programmatic interaction Automation/Orchestration Windows executable

22 SVP Scripting Framework Test script parameterization Test execution control Progress and result reporting Test suite support Test data set management GUI or programmatic interaction

23 SVP Scripting Script runner No Python knowledge required Script creator Basic Python proficiency Object creator More advanced Python proficiency

24 SunSpec Testing Framework Test Case Matrix: Function by Region UI Test Harness Scope HTTP SunSpec System Validation Platform Python Web Service Modbus Master Control SunSpec Inverter Control Protocol Monitor Inverter Under Test DC Input AC In/Out Grid Simul Vary: Voltage Frequency Reactive Load

25 SunSpec System Validation Platform

26 SunSpec Device Probe

27 energy.sandia.gov Energy Storage North America, San Diego 13 October, 2015 Jay Johnson Photovoltaic and Distributed Systems Integration Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy s National Nuclear Security Administration under contract DE-AC04-94AL85000.

SIRFN Smart Grid Collaboration IEA (International Energy Agency) Clean

(ISGAN) SIRFN - A coordinated network of smart grid research

(SIRFN) Primary goal: Develop and demonstrate a consensus-based

Perform round-robin testing of advanced DER.

Power Systems Testing Test Protocols for Advanced DER Functions

28 SIRFN Smart Grid Collaboration IEA (International Energy Agency) Clean Energy Ministerial (CEM) International Smart Grid Action Network (ISGAN) SIRFN - A coordinated network of smart grid research facilities from: Smart Grid International Research Facility Network (SIRFN) Primary goal: Develop and demonstrate a consensus-based interoperability certification standard for advanced Distributed Energy Resources (DERs). Design and compare advanced interoperability test-beds. Perform round-robin testing of advanced DER. Smart Grid Distribution Automation Advanced Laboratory Testing Methods Power Systems Testing Test Protocols for Advanced DER Functions Compare test results, communications methods, and automation procedures. Gradually improve draft test procedures for advanced DER with the goal of becoming an internationally-accepted standard.

29 Goal: Extend Test Protocols for Advanced Inverter Functions to Energy Storage Systems (ESS) SIRFN ESS Protocol Requirements UL 1741 SA (USA) CEI 0-16 (IT) VDE-AR-N 4105 (DE, AT) Sandia Test Protocols for IEC TR The SIRFN ESS Protocol must : Create a concise set of test procedures for evaluating ESS interoperability and functionality Consider aspects of ESS (Bi-directional, 4 quadrant capability, etc.) Be harmonized and inclusive with existing codes and standards Enable easy interpretation of test procedures by laboratory personnel Define test acceptance criteria D. Rosewater, J. Johnson, M. Verga, R. Lazzari, C. Messner, R. Bründlinger, K. Johannes, J. Hashimoto, K. Otani, International development of energy storage interoperability test protocols for renewable energy integration, EU PVSEC, Hamburg, Germany, Sept, 2015.

30 Protocol Development Process 1. Review of appropriate grid codes, technical rules, standards, and ESS functions 2. Consolidation of function requirements into draft protocol language 3. Execution of draft protocol to ESS with equipment units at SIRFN laboratories 4. Updating draft protocols to improve usability and to generate better results Protocols will be published soon for active power, fixed power factor, volt-var, and frequency-watt. D. Rosewater, J. Johnson, M. Verga, R. Lazzari, C. Messner, R. Bründlinger, K. Johannes, J. Hashimoto, K. Otani, International development of energy storage interoperability test protocols for renewable energy integration, EU PVSEC, Hamburg, Germany, Sept, 2015.

Execution of draft protocol to ESS: SIRFN Testing Laboratories Team members

laboratory Team Members at RSE Distributed Energy Resource (DER) Test

Sandia s Distributed Energy Technologies Lab (DETL) D. Rosewater, J.

31 Execution of draft protocol to ESS: SIRFN Testing Laboratories Team members at AIT Smart Electricity Systems and Technologies (SmartEST) PV inverter test laboratory Team Members at RSE Distributed Energy Resource (DER) Test Facility Team members at FREA Smart DER Research Facility Team Members at Sandia s Distributed Energy Technologies Lab (DETL) D. Rosewater, J. Johnson, M. Verga, R. Lazzari, C. Messner, R. Bründlinger, K. Johannes, J. Hashimoto, K. Otani, International development of energy storage interoperability test protocols for renewable energy integration, EU PVSEC, Hamburg, Germany, Sept, 2015.

32 p.u. Reactive Power p.u. Reactive Power Review Data and Refine Protocols: Commanded Power Factor RSE INV3 Test Results FREA INV3 Test Results p.u. Active Power System Rating p.f.=1 p.f.=0.2 underexcited p.f.=0.6 underexcited p.f.=0.2 overexcited p.f.=0.6 overexcited p.u. Active Power System Rating p.f. = 1 p.f. = 0.95 p.f. = 0.90 p.f. = 0.85 p.f. = 0.80 p.f. = p.f. = p.f. = p.f. = -0.80

33 p.u. Active Power p.u. Active Power p.u. Active Power Review Data and Refine Protocols: Commanded Active Power RSE ESS1 Test Results SNL ESS1 Test Results AIT ESS1 Test Results Time (s) Rated Discharge (RSE) 1/2 Rated Discharge (RSE) 1/4 Rated Discharge (RSE) 1/4 Rated Charge (RSE) 1/2 Rated Charge (RSE) Rated Charge (RSE) Time (s) Rated Discharge (SNL) 1/2 Rated Discharge (SNL) 1/4 Rated Discharge (SNL) 1/4 Rated Charge (SNL) 1/2 Rated Charge (SNL) Rated Charge (SNL) Time (s) Rated Discharge (AIT) 1/2 Rated Discharge (AIT) 1/4 Rated Discharge (AIT) 1/4 Rated Charge (AIT) 1/2 Rated Charge (AIT) Rated Charge (AIT)

34 Review Data and Refine Protocols: Frequency-Watt

35 The Future of Certification Testing Have you been struggling to complete your grid-support function testing on time? Is your company behind schedule because of the extensive testing combinations in UL 1741 SA? Have you grown tired of adjusting AC and DC simulator settings? Have you found yourself repeating tests after messing up some of the tests? Are you looking for a fast, accurate testing tool? Then the System Validation Platform is for you! 35

36 SunSpec/Sandia System Validation Platform Newly Released! System Validation Platform (SVP) is an automated certification interoperability platform Fully scriptable Interacts with DAQs, PV and grid simulators, and DER. 36

about 25 minutes with the SVP 375 measurements for volt/var - takes about 90 minutes with

37 Power of Testing Automation UL 1741 SA test permutations are large due to the number of settings in each advanced DER function: 75 measurements for fixed power factor - takes about 25 minutes with the SVP 375 measurements for volt/var - takes about 90 minutes with the SVP Proposed UL 1741 SA fixed power factor tests. Proposed UL 1741 SA volt-var tests. 37

38 Conclusions Advanced DER functions help support the electricity grid. In the U.S., many jurisdictions are considering new DER requirements (not just CA) Regional differences could be an issue Autonomous functions are required first Standardized test methods for verifying DER functionality and interoperability are critical. Communications certification not finalized, cybersecurity a big concern Sandia, SIRFN, and SunSpec are improving certification protocols and test capabilities by: Building test-beds for advanced inverter testing (electrical performance and interoperability). Comparing advanced DER test results and improving draft certification protocols. Recommending improvements to national and international codes and standards. 38

39 Questions? Jay Johnson Photovoltaic and Distributed Systems Integration Sandia National Laboratories P.O. Box 5800 MS1033 Albuquerque, NM Phone:

40 ESNA SunSpec Open Meeting SunSpec Workgroups/Initiatives Overview Tom Tansy (10) Smart Inverter Workgroup, Bob Fox - SunSpec (10) Energy Storage Workgroup, Bob Fox - SunSpec (10) SunSpec Intro System Validation Tool Set & Sandia Experience Bob Fox & Jay Johnson - Sandia National Laboratories (25) Smart Inverters CSI 4 EPRI Inverter/Communications Project Tom Tansy & Brian Seal - EPRI (25) SunSpec California Smart Energy + Storage Project Tom Tansy (10) New SEP2/IEEE Initiative Formation (5 + 15) Tom Tansy & James Mater - Quality Logic Wrap Up (10) Agenda

41 CSI4: Smart Inverters + CEA 2045

42 EPRI / SunSpec CSI Project Standard Communication Interface and Certification Test Program for Smart Inverters Brian Seal Technical Executive, EPRI SunSpec Workgroup Open Briefing October 13 th, Electric Power Research Institute, Inc. All rights reserved.

43 Context: Standard Functions for DER Grid Needs DER Owner Value Inverter Capabilities Communication Limitations Global Initiative 2008 to Present Common Functions Defined in , Described in EPRI Electric Power Research Institute, Inc. All rights reserved.

DER Group Management Initiative Built on the Standard Functions Phase 1 (2013-2014) Phase 2 (2015-2016) DER Group Creation Group maintenance Query for group membership DER Group Status Monitoring DER

45 DER Group Management Initiative Built on the Standard Functions Phase 1 ( ) Phase 2 ( ) DER Group Creation Group maintenance Query for group membership DER Group Status Monitoring DER Group Capabilities discovery Real Power Dispatch Reactive Power Dispatch DER Forecasting Timeframe, Confidence Connect/Disconnect DER Groups Set Group Operating Mode e.g. set Watt-Frequency Mode for all members of a group DER Group Voltage Regulation Settings Schedule Capability for DER Group Dispatch Provide Energy Price Indicator for a DER Group Bid/Ask Services for DER Groups Electric Power Research Institute, Inc. All rights reserved.

46 CSI4 Project Scope Certification Grid Codes Methods and Protocols for DER Groups Standard Device Communication Protocols Common Functions for Smart DER Electric Power Research Institute, Inc. All rights reserved.

47 CSI Project, California Context California is developing next-generation interconnect rules for distributed generation (Revising CA Rule 21) and intend to include communication capability But communication technologies are diverse across California and best choices are uncertain And Inverters have decades-long service lives, and communication technologies are evolving much faster And It is uncertain when network connectivity to residential systems will need to be deployed in California Electric Power Research Institute, Inc. All rights reserved.

48 California Solar Initiative, Round 4 Project Develop and demonstrate a method and framework by which certified smart inverters can be produced and installed today, meeting CA Rule 21 requirements, with assurance that they can be successfully connected with grid operations in the future as needed Electric Power Research Institute, Inc. All rights reserved.

50 California Solar Initiative Project Snap-in Comm Modules Inverter Any Network Types Standardized Port Interface SEP 2.0 OADR 2.0B Standardized Testing UL 1741SA Certified Smart Inverters Electric Power Research Institute, Inc. All rights reserved.

51 Exercised via Communication Systems Active During Field Testing Tested by UL Vendor B Vendor A Supported by the SunSpec Modbus Reference Code Sandia Test Procedures Smart Inverter Functions to be Demonstrated Function or Communication Verification Anti-Islanding Protection N/A N/A L/HVRT L/HFRT Volt-Var Mode Ramp Rates Fixed Power Factor Soft Start Monitor Alarms Monitor DER Status and Output Limit Maximum Real Power N/A Connect/Disconnect N/A Frequency-Watt Mode Voltage-Watt Mode Dynamic Reactive Current Support N/A N/A N/A Electric Power Research Institute, Inc. All rights reserved.

52 Present Project Status Test Procedures developed by Sandia National Laboratories Communication specification and open reference code developed by SunSpec Inverters produced by Fronius and SMA (testing in process) OpenADR communication system and modules produced by EPRI SEP2.0 communication system and modules produced by SCE and SMUD via partners UL test procedure (UL1741SA) developed (in review) Cyber security recommendations produced by Xanthus Consulting and Sandia National Laboratories Lab test procedures in process by SCE and SMUD Field testing to follow, completion by mid Electric Power Research Institute, Inc. All rights reserved.

Relationship between the SunSpec Alliance and DNP3 Technical Committee for keeping the

54 Additional EPRI / SunSpec 2015 Project Smart Inverter Communication Testing Capability for DNP3 Establishing: 1. Relationship between the SunSpec Alliance and DNP3 Technical Committee for keeping the protocols harmonized 2. SunSpec Alliance tools for compliance testing using the DNP3 Protocol DNP3 AN Electric Power Research Institute, Inc. All rights reserved.

Together Shaping the Future of Electricity 56 2015

57 Multi-tiered Integration of DER Groups System Operations Distribution Operations DER Group management protocols must support architectures of multiple tiers of aggregation Feeder/ Substation Microgrids Facilities Individual DER Example: OpenADR (a demand response protocol) was designed to operate at any number of nested levels. VTN = Virtual Top Node VEN = Virtual End Node Electric Power Research Institute, Inc. All rights reserved.

58 Individual DER DER Groups Sample of Related Documents Document Description EPRI Integrating Smart Distributed Energy Resources with DMS EPRI Collaborative Initiative to Advance Enterprise Integration of DER MultiSpeak Draft Version 5.0 Release (Q1, 2014) EPRI Enterprise Integration Functions for Distributed Energy Resources EPRI Enterprise Integration Functions Test Plan for DER, Phase 1 EPRI DER Enterprise Integration: Interoperability Workshop Results EPRI Development of a Standard Language for PV and Storage Integration EPRI Standard Language Protocols Whitepaper IEC Information Model for DER + Standard Function Definitions EPRI Common Functions for Smart Inverters, Version 3 EPRI AMI Considerations for Distributed Renewables Integration DNP AN DNP3 Profile for Basic Photovoltaic Generation and Storage DNP AN DNP3 Profile for Advanced Photovoltaic Generation and Storage Multiple DRGS DEWG Docs ( SunSpec Sunspec Alliance Specifications, Including Modbus mapping IEEE P Draft Standard for Smart Energy Profile Electric Power Research Institute, Inc. All rights reserved.

59 ESNA SunSpec Open Meeting SunSpec Workgroups/Initiatives Overview Tom Tansy (10) Smart Inverter Workgroup, Bob Fox - SunSpec (10) Energy Storage Workgroup, Bob Fox - SunSpec (10) SunSpec Intro System Validation Tool Set & Sandia Experience Bob Fox & Jay Johnson - Sandia National Laboratories (25) Smart Inverters CSI 4 EPRI Inverter/Communications Project Tom Tansy & Brian Seal - EPRI (25) SunSpec California Smart Energy + Storage Project Tom Tansy (10) New SEP2/IEEE Initiative Formation (5 +15) Tom Tansy & James Mater - Quality Logic Wrap Up (10) Agenda

60 CEC PON: Smart Inverters + Storage

61 ESNA SunSpec Open Meeting SunSpec Workgroups/Initiatives Overview Tom Tansy (10) Smart Inverter Workgroup, Bob Fox - SunSpec (10) Energy Storage Workgroup, Bob Fox - SunSpec (10) SunSpec Intro System Validation Tool Set & Sandia Experience Bob Fox & Jay Johnson - Sandia National Laboratories (25) Smart Inverters CSI 4 EPRI Inverter/Communications Project Tom Tansy & Brian Seal - EPRI (25) SunSpec California Smart Energy + Storage Project Tom Tansy (10) New SEP2/IEEE Initiative Formation (5 + 15) Tom Tansy & James Mater - Quality Logic Wrap Up (10) Agenda

62 ESNA SunSpec Open Meeting SunSpec Workgroups/Initiatives Overview Tom Tansy (10) Smart Inverter Workgroup, Bob Fox - SunSpec (10) Energy Storage Workgroup, Bob Fox - SunSpec (10) SunSpec Intro System Validation Tool Set & Sandia Experience Bob Fox & Jay Johnson - Sandia National Laboratories (25) Smart Inverters CSI 4 EPRI Inverter/Communications Project Tom Tansy & Brian Seal - EPRI (25) SunSpec California Smart Energy + Storage Project Tom Tansy (10) New SEP2/IEEE Initiative Formation (5 + 15) Tom Tansy & James Mater - Quality Logic Wrap Up (10) Agenda

63 Thank You Expanding the Solar PV Market Through Data Standards and Interoperability Contact Tom Tansy: 63

Automating the Sandia Advanced Interoperability Test Protocols

Automating the Sandia Advanced Interoperability Test Protocols Jay Johnson 1 and Bob Fox 2 1 Sandia National Laboratories, Albuquerque, NM, 87185, USA 2 Loggerware, Rancho Cordova, CA, 95670, USA Abstract