Open Solar Performance and Reliability Clearinghouse DOE Briefing

1. Open Solar Performance and Reliability Clearinghouse DOE Briefing oSPARC September 2013 osparc.sunspec.org

2. Today’s Presenters Tom Tansy John Nunneley

3. Agenda • Introduction to SunSpec Alliance • oSPARC background • oSPARC project details • How to get involved • Questions & Answers

5. Currently Available Specifications Bulk Data Exchange Inverter Finance Risk Assessment Meter Grid Operations InternetVPN Data Store Gateway String Cloud SCADA Module RegulatoryReporting Storage Custom Apps Enviro End-To-End Security, Monitoring & Control Solar Plant Applications

6. Standards Drive Innovation and Value Value Innovation Performance Cost Complexity Risk

7. oSPARC & Securitization Background • Part of “Solar Access To Public Capital”initiative • Goal to lower cost of borrowing via standardization and securitization • oSPARC is the actuarial database to assess long-term performance and health of plants

8. Open Solar Performance and Reliability Clearinghouse - Project Objectives • Establish construct for information exchange • Plant Owners • Banks • Service providers • Define metrics for risk assessment • Critical Measurements & Ratings • Key Performance Indicators • Quality factors • Build network/database of participating solar PV plants • Plants report once per day • Network geographically distributed across U.S. • Anonymized to protect consumers • Provide access to database by financial industry • Assess plant performance and reliability over time • Build confidence in the asset class

9. Construct for Information Exchange Capital at Favorable Rates Quality PV Plants and Data CAPITAL PROVIDER BORROWER Open Actuarial Database Open Information Access SUPPLIERS

10. Points of Measurement At PV Plant Inverter PV Array Facility Load Back-Up Energy Storage Utility Grid Source: IEC 61724

11. oSPARC Implementer’s Guide

12. Investment Risk Assessment for the U.S. Solar Fleet Portfolio Manager oSPARC Query AnonymizedResults

13. Open Solar Performance And Reliability Clearinghouse Index (oSPARC) Index Identify best performing plants with highest quality data Measurement Confidence (Data Quality) Measured Performance & Reliability

14. oSPARC Sample Query

15. oSPARC Sample Report

16. Key Performance Indicators

17. What We Are Asking For? • Your participation in the development process • End-to-end transparency • Pick the right metrics • Comfort that your organization won’t be disadvantaged • Data from power plants

18. What We Offer In Return • Anonymity • Opportunity to improve system for the overall benefit of the industry • Access to anonymizedresults

19. What’s In It For You? • Project developer/fleet operator • Access to capital at dramatically lower rates • Equipment manufacturer or service provider • Opportunity to differentiate on quality • Solar industry • Scale up deployment, increase total system quality

20. Questions and Answers

21. Thank You Expanding the Solar PV Market Through Data Standards and Interoperability Contact Tom Tansy for more information - tom@sunspec.org - 831-227-1073

22. Plant Information

23. Device Information *STC = Standard Test Conditions

24. Plant Ratings

25. Plant Electrical Measurements

26. Array Level Measurements

27. Other Plant Environmental

28. Plant Availability and Status

29. Net Energy Measurements

30. Plant Performance Calculations

31. oSPARC Plant Query Parameters Query • Date Range for Report Period • Location Information • Size Range • Equipment Type • Design Parameters Response • AnonymizedReport “Plants Like These” • Key Performance Indicators