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SunSpec Alliance Overview & Storage Standards Development Program

SunSpec Alliance Overview & Storage Standards Development Program. July 7 , 2014 www.sunspec.org. SunSpec Information Standards. Bulk Data Exchange. Inverter. Tracker. Finance Risk Assessment. Meter. Grid Operations. Internet VPN. Plant Controller. Data Store. String. Cloud.

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SunSpec Alliance Overview & Storage Standards Development Program

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  1. SunSpec AllianceOverview &Storage Standards Development Program July 7, 2014 www.sunspec.org

  2. SunSpec Information Standards Bulk Data Exchange Inverter Tracker Finance Risk Assessment Meter Grid Operations InternetVPN Plant Controller Data Store String Cloud SCADA Module RegulatoryReporting Storage Custom Apps Enviro End-To-End Security Monitoring & Control Solar Plant Applications

  3. Standards Drive Innovation and Value Value Innovation Performance Plant Operations Grid Control Cost Complexity Risk Risk Assessment

  4. Significant Design Wins • System monitoring • Inverter monitoring & control • Inverter monitoring & control • Inverter monitoring & control for CA Rule 21 • Actuarial database, O&M standards • Microgrid & storage integration

  5. Standardization Partners • NIST/SGIP National Smart Grid Roadmap • IEEE 1547/P2030 Interconnection guidelines and interoperabilitywith the electric power system • ASHRAE Facility to Smart Grid Information Model (FSGIM) • EPRI Advanced Functions for Distributed Energy Resources • IEC 61850 Communication networks and systems for substationautomation, logical nodes, protocol mappings • ZigBeeSmart Energy 2.0 specification • SIRFN Smart Grid International Research Facility Network • NRTL Nationally Recognized Testing Laboratories

  6. Strategic Intiatives • SunSpec Inverter Control Program • Software test tool for driving Smart Inverters • Open Solar Performance and Reliability Clearinghouse (oSPARC) • Actuarial database for investment risk assessment • SunSpec Storage Program • Extend monitoring/control work to storage domain

  7. The Case For Solar/Storage Integration

  8. Energy Storage Workgroup Background • An increasing number of grid-connected energy storage systems are being deployed to enable energy arbitrage, better integration of renewables, voltage support, microgrids, and other scenarios. • These energy storage systems are costly in part due to the lack of standards and the amount of NRE that is required on each project. • SunSpec and MESA are working together to develop communication standards which target the components that are used to construct these energy storage systems. • MESA battery standards work is the starting point for storage communications

  9. Energy Storage Workgroup Scope • Define standards for varied storage technologies • Lithium-ion batteries • Vanadium redox flow batteries • Lead-acid batteries • Etc. • Complement SunSpec inverter & meter models • Leverage existing standards • Enable complete systems with minimum NRE • Initial Workgroup focus: lithium-ion batteries • Broadest market impact in short term

  10. Energy Storage System Anatomy Energy Storage System ESS Control • Autonomous control • Interface to SCADA • Operating Modes SunSpec Storage Models (8XX) (co-developed with MESA Alliance) SunSpec Inverter Models (1XX) SunSpec Meter Models (2XX) Meters Power Conversion System Energy Storage • ESS Output Measurements • Aux Power Measurements • Signals for operating modes • Lithium Ion • Vanadium Redox Flow • Lead-acid batteries • Etc. • Bidirectional AC to DC • Real and reactive power • Typically 4 quadrant

  11. Storage Models Common Model Lithium Ion Model (802) Energy Storage Base Model (801) Vanadium Redox Flow Model (803) Energy Storage Technology Model Lead-acid Model (804) Vendor Specific Model Other Storage Technologies (8XX) End Model

  12. Energy Storage Deployment Scenarios • Substation-sited, grid-connected energy • Customer side of the meter applications • Storage adjacent to renewables • Microgrids

  13. Storage Standardization Benefits • Lower NRE for storage integration • Lower NRE for grid interconnection • Same technology as smart inverters • Enables low-cost, scalable solutions by enabling “plug ‘n play” interoperability

  14. SunSpec AllianceOverview &Storage Standards Development Program July7, 2014 www.sunspec.org

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