ADVANCED INVERTER AND STORAGE STANDARDS: TURBOCHARGING GLOBAL ADOPTION. Tom Tansy Chairman, SunSpec Alliance Intersolar N.A.

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1 ADVANCED INVERTER AND STORAGE STANDARDS: TURBOCHARGING GLOBAL ADOPTION Tom Tansy Chairman, SunSpec Alliance Intersolar N.A. July 13,

2 Storage & Advanced Grid Discussion 9:00 am 09:30 am 10:05 am 10:30 am 10:45 am Welcome and Distributed Energy Resources - Grid Standards Around the World SIRFN Smart Grid Collaboration and Storage Tom Tansy, Chairman, SunSpec Alliance UL Standards Update: Advanced Inverter, Energy Storage and Cybersecurity Scott Jezwinski, Business Development Manager, UL LLC Test Automation of Advanced Grid Integration Case Study Bob Fox, Principal Engineer, SunSpec Alliance, U.S. Storage Device Standards - New SunSpec Storage Models & MESA Energy Storage Case Study Andrew Miller, Vice President, 1Energy Systems, U.S. Round Table Discussion from the Speakers

3 About SunSpec Alliance Trade alliance started in 2009 Mission to establish Information Standards for Distributed Energy 100+ global members, partners & research institutes

4 SunSpec Alliance Vision Open Architecture

5 State of the Distributed Energy Market Large and growing PV: 250+ GW in 2015 Battery Storage: 2+ GW Global Europe U.S. Asia Becoming smarter Interactive Communicative Integrated

U.S. Distribution Grid in 2016 29.3 GW in total DG capacity 1 million installations!

6 U.S. Distribution Grid in GW in total DG capacity 1 million installations! Will double by 2017 Pockets of high penetration CA: 12 GW by 2020 HI: 50% of circuits at 100% of daytime load today MA, NY, NJ, NC next up Advanced inverter functions mandated CA Rule 21, HI Rule 14H in place Revised national standard (IEEE 1547) coming Source: GTM 6

7 Grid Performance Requirements Voltage & frequency control protection How to tell when/where there is a problem (e.g., fault) Ensure safety, prevent damage to equipment, avoid cascading Voltage magnitude Frequency Power Quality (e.g., distortion) System stability How voltage and frequency recover from a disturbance Continuity of service Benchmark: 1-day cumulative outage per customer in a 10- year span (99.97% reliable) 7

European Low Voltage Distribution Grids Key: P/Q Real and reactive power. P(f) Power as a function of grid frequency, i.e., freqwatt. Remote P commanded power level. LVRT Low Voltage Ride Through.

8 European Low Voltage Distribution Grids Key: P/Q Real and reactive power. P(f) Power as a function of grid frequency, i.e., freqwatt. Remote P commanded power level. LVRT Low Voltage Ride Through. Source: Roland Bründlinger, Grid Codes in Europe for Low and Medium Voltage, 6th International Conference on Integration of Renewable and Distributed Energy Resources, Kyoto, 18 November,

9 Source: Roland Bründlinger, Grid Codes in Europe for Low and Medium Voltage, 6th International Conference on Integration of Renewable and Distributed Energy Resources, Kyoto, 18 November, 2014.

9 9 Source: Roland Bründlinger, Grid Codes in Europe for Low and Medium Voltage, 6th International Conference on Integration of Renewable and Distributed Energy Resources, Kyoto, 18 November, European Medium Voltage Distribution Grids Key P/Q Real and reactive power. P(f) Power as a function of grid frequency, i.e., freqwatt. Q(U) reactive power as a function of grid voltage, i.e., volt-var. Remote P commanded power level. LVRT Low Voltage Ride Through.

10 Low Voltage Grid Requirements By Country 10 Source: Roland Bründlinger, Grid Codes in Europe for Low and Medium Voltage, 6th International Conference on Integration of Renewable and Distributed Energy Resources, Kyoto, 18 November, 2014.

11 ADVANCED INVERTER & STORAGE JOINT RESEARCH PROGRAM GLOBAL REACH COLLABORATION WITH SMART INVERTER FACILITIES RESEARCH NETWORK ROYALTY-FREE TEST SCRIPTS FOR ADVANCED FUNCTIONS

12 Engaging In Global Collaboration 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.

13 p.u. Active Power p.u. Active Power p.u. Active Power Delivering Global Innovation 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)

14 To Turbocharge Global DER Market 2X grid circuit penetration capacity 2X revenue sources (kwh + ancillary services) Bring battery storage on line with PV

15 Storage & Advanced Grid Discussion Tom Tansy, Chairman SunSpec Alliance Scott Jezwinski, Manager Business Development, UL LLC Bob Fox, Principal Engineer SunSpec Alliance Andrew Miller, Vice President Doosan GridTech (1ENERGY)

Interconnection Standard Grid-Support Function Evaluations using an Automated Hardware-in-the-Loop Testbed

Interconnection Standard Grid-Support Function Evaluations using an Automated Hardware-in-the-Loop Testbed Jay Johnson 1, Ron Ablinger 2, Roland Bruendlinger 2, Bob Fox 3, and Jack Flicker 1 1 Sandia National