Solar Standards Development VFinal

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Solar Standards DevelopmentAn Overview of Product StandardsJuly 22, 2016

About SEIA U.S. National Trade Association for Solar Energy Founded in 1974 1,000 member companies from all 50 states Our Mission: Build a strong solar industry to power America Our Goal: 100 gigawatts of solar capacity by 2020July 22, 2016 2016 Solar Energy Industries Association 2

SpeakersEvelyn M. ButlerSEIADirector,Codes &StandardsJuly 22, 2016Joseph Cain, P.E.Chair, SEIA Codes& StandardsWorking GroupScott Jezwinski,BusinessDevelopmentManager, UL LLCShawn Martin,Director ofTechnical Services,ICC‐SRCC 2016 Solar Energy Industries Association 3Thomas KiggenSEIADirector,Membership

Agenda IntroductionPV StandardsSolar Heating and CoolingStructuralJuly 22, 2016 2016 Solar Energy Industries Association 4

Standards DevelopmentJoe CainChair, SEIA Codes & Standards Working Group

Introduction How do standards go from voluntary to mandatory status?– Charging language in body of code– Inclusion in list of Referenced Standards International Building Code (IBC) Chapter 35 International Residential Code (IRC) Chapter 44 Adoption– National: Referenced standard in the model codes– State or local jurisdictions: Option to modify adoption and/or establish effective date– Example: California fire classification of PV systems delayed in implementation Legislation– Subject of Webinar 3!July 22, 2016 2016 Solar Energy Industries Association 6

Example: 2015 International Building CodeJuly 22, 2016 2016 Solar Energy Industries Association 7

PV StandardsScott JezwinskiBusiness Development Manager, UL [email protected]

Photovoltaic Systems – Safety ionCodes andStandardsSystemOwnersSystemDesignersand InstallersAugust 2, 2016 2016 Solar Energy Industries Association 9

Codes and Standards - RelationshipModel CodeDevelopmentProcessStep 3:NFPATechnicalMeetingStep 2:PublicCommentStageStep 4:Council Appeals andIssuance of StandardNFPA 70: NationalElectrical Code (NEC)(3 year cycle)Step 1:Public InputStageUL 1703UL 2703UL 1741ReferenceStandardsUL StandardsDevelopmentProcessStep 2:STP Commentand ReviewStep 1:Proposal and STPformationAugust 2, 2016Step 3:Ballotingand PublicComment(industrydemand driven )Step 4:STPConsensusandIssuance ofStandard*STP - Standards Technical Panel 2016 Solar Energy Industries Association 10

UL PV Standards Timeline2005 – UL 4703 PV Wire2007 – SU 2579 Low Voltage Fuse Holders2007 – SU 5703 Name Plate Rating2008 – SU 8703 Concentrator PV Modules2010 – UL 2703 Mounting Systems2010 – SU 4248‐18 Fuse Holders2010 – UL 489B Circuit Breakers2010 – UL 6703/A Connectors2010 – SU 98B Dead‐Front SwitchesNorth AmericanLeader1986 – UL1703 PV Modules and Panels1999 – UL1741 Inverters and Converters1999 – SU 1279 Solar Collectors2000 International CollaboratorAugust 2, 20162011 – SU 1699B Arc Fault Protection2011 – UL 3703 Solar Trackers2011 – UL 3730 Junction Boxes2011 – SU 508i Disconnect Switches2011 – SU 9703 Wiring Harnesses2012 – UL 61215 Crystalline Module Type Approval2012 – UL 61646 Thin‐film Module Type Approval2012 – UL 62108 Concentrator Module Type Approval2014 – UL 62109‐1 Power Converters2010 2020IEC 61215Module Type Qualification ‐ SeriesIEC 61724System performance monitoringIEC 61730‐1/2 Module safetyIEC 61853‐1/2 Module performanceIEC 62078Guidelines quality systemIEC 62093BOS design QualificationIEC 62109‐1/2/3/4 Safety of Power ConvertersIEC 62446System commissioning and InspectionIEC 62509Battery charge controller performanceIEC 62548PV array design requirementsIEC 62738PV plant guidelinesIEC 62804System voltage durability for modulesIEC 62938Snow load testingIEC 62947Energy performance 2016 Solar Energy Industries Association 11

PV Standards System ReferenceRoof or Ground mountedPV Modules w/ Junction BoxPV Modules UL 1703 UL/IEC 61215 UL/IEC 61646 UL/IEC 62108 IEC 61730 UL-SU 8703Rack Mounting &Clamping Devices UL 2703Solar Trackers UL 3703BIPV UL 1703 / UL 790Connector UL 6703Circuit Breakers UL 489BFuse UL-SU 2579Arc Fault Protection UL 1699BFuse Holder UL-SU 4248-18 ANSI-UL4248-1Combiner BoxChargeControllerInverterStorage UL 1989 UL 2054 UL 9540 UL 1973August 2, 2016BatteriesFire Test UL 1703(roof mountedmodules)Cable for PV UL 4703 UL 9703 UL854 (USE-2)Disconnects UL-SU 98B UL-SU 508iMany of the componentsor functions can be builtinto one product, such asthe inverter.Combiner Box UL 1741Polymeric Materials UL 1703 UL 94 UL-SU5703 UL 746A/B/CCharge Controller UL 1741Inverter UL 1741 UL/IEC 62109 (PV only) IEEE 1547AC LoadsGrid Tied orStand Alone 2016 Solar Energy Industries Association 12

IEEE 1547 - Grid Interconnection StandardUL 1741 references IEEE 1547 - Interconnecting Distributed Resources with Electric PowerSystems and works in conjunction with grid tied products that operate in parallel with or backfeed power to the utility grid.IEEE 1547.1Interconnection SystemTestingIEEE 1547InterconnectionSystem Requirements Voltage Regulation Grounding Disconnects Monitoring Islanding Temperature StabilityResponse to AbnormalVoltageResponse to AbnormalFrequencySynchronizationProtection from EMISurge WithstandParalleling DeviceDC InjectionUnintentional IslandingReverse PowerOpen PhaseReconnect after disturbanceHarmonicsUL 1741Interconnection Equipment ConstructionTesting normal and abnormalProtection against risks ofinjury to persons andconnected equipment.Ratings, Markings andInstructionsSpecific DR Tests for specifictechnologiesProduction line testingCertifications address NEC andelectric utility interconnectionneeds.13August 2, 2016 2016 Solar Energy Industries Association 13

UL1741SA for Grid Support Utility Interactive InvertersUL1741 Supplement Grid Support Utility Interactive created to “bridge thegap” until the IEEE 1547 and IEEE 1547.1 Grid Support revisions arecompleted.Mandatory Anti-Islanding L/HVRT L/HFRT Must Trip Test Normal Ramp Rate Soft-Start Ramp Rate Specified Power Factor Volt/Var ModeBallot closed on 6/16/2016Adoption approved but 200 comments need to beresolved & recirculated.Expected publication in lateAugust/early Septemberhttp://www.energy.ca.gov/electricity analysis/rule21/August 2, 2016 2016 Solar Energy Industries Association 14

UL1741 - Rapid ShutdownThe 2017 NEC code panel meeting revised a 690.12 proposal to include newrequirements for rapid shutdown protection internal to a PV array andincludes the following options:Option 1: List and label or field-label PV array as a rapid-shutdown PV array.Option 2: Limit control conductors within the array boundary to 80 V or lesswithin 30 seconds of rapid-shutdown initiation.Option 3: Install nonmetallic PV array with no exposed wiring and arraymore than 8 feet from any grounded metal parts* Implementation of Option 1 requires development of a safety standard for evaluation andcertification of rapid-shutdown products for use in PV arrays. CMP 4 added a delayedadoption date, specifying that 690.12(B)(2) “shall become effective January 1, 2019.” toallow time for the standard’s development processAugust 2, 2016 2016 Solar Energy Industries Association 15

UL 1703 – Photovoltaic Modules and PanelsRecent proposed revisions with Bulletins Issued:April 1, 2016: Addition of Allowable PV Cable Connectors to ModuleDocumentation and Revising the Reference to the Standard for ComponentConnectors for Use in Data, Signal, Control and Power Applications, UL 1977,to the Standard for Connectors for Use in Photovoltaic Systems, UL 6703.April 29, 2016: Revision to Expand the Definition of Type 3 Module in theSection 16, Fire Performance.Current Topics under discussion within the UL1703 STP: Mechanical loads and groupings Frames used as grounding conductors Move fire testing requirements to UL 2703August 2, 2016 2016 Solar Energy Industries Association 16

UL 2703 – Mounting Systems, Mounting DevicesRecent proposed revisions with Bulletins Issued:November 2, 2015: Addition of an Option for Including a QR Code forInstallation Instructions.Current Topics under discussion within the UL2703 STP : August 2, 2016Bonding and groundingMechanical loadingManuals and markingsCorrosion resistance 2016 Solar Energy Industries Association 17

UL - IEC Standards Adoption ActivitiesIEC 61730-1/-2: Photovoltaic (PV) module safety qualification.IEC 62891: Indoor testing, characterization and evaluation of the efficiency of photovoltaic gridconnected invertersIEC 62509: Battery charge controllers for photovoltaic systems - Performance and functioningIEC 62093: Balance-of-system components for photovoltaic systems - Design qualification naturalenvironmentsIEC 62738: Design guidelines and recommendations for photovoltaic power plantsIEC 62548: Photovoltaic (PV) arrays - Design requirementsIEC 62446: Grid connected photovoltaic systems - Minimum requirements for system documentation,commissioning tests and inspectionIEC 61724: Photovoltaic system performance monitoring - Guidelines for measurement, dataexchange and analysisIEC 61215 -1./-1.1/-2 : Terrestrial photovoltaic (PV) modules – Design qualification and type approvalIEC TS 62941: Terrestrial photovoltaic (PV) modules – Guidelines for increased confidencein PV module design qualification and type approval* US Technical Advisory Group assigned to ULAugust 2, 2016 2016 Solar Energy Industries Association 18

UL Standards Certification and Labeling Third-Party certification to UL standards for PV products is requiredby many programs and codes. Certification to a given standard may be done by an accreditedcertification body. Right to mark product with certification marks. Online listings of certifications available from most certifiersAugust 2, 2016 2016 Solar Energy Industries Association 19

Want to learn more about UL Standards Development?Find out how you canbecome involved in the ULstandards developmentprocess:http://csds.ul.com/Or learn more about ULStandards:http://UL.com/standardsThank you!Scott [email protected] 2, 2016 2016 Solar Energy Industries Association 20

Solar Heating and CoolingShawn MartinDirector of Technical Services, [email protected]

Solar Heating & Cooling Solar thermal technologyuses solar energy to directlyheat fluids. No electrical energygeneration (usually). Applications:––––July 22, 2016Domestic water heatingSpace heating (air and water)Pool heatingCooling 2016 Solar Energy Industries Association 22

Standards in Solar Heating and CoolingBuildingCodesIncentiveProgramsJuly 22, andards 2016 Solar Energy Industries Association ProductCertificationPrograms23

Key Standard Developers for SHC Solar Rating and CertificationCorporation (ICC-SRCC) Underwriter’s Laboratories(UL) ASTM International International Association ofPlumbing & MechanicalOfficials (IAPMO) ENERGY STAR Florida Solar Energy Center(FSEC)July 22, 2016 2016 Solar Energy Industries Association 24

SRCC Solar Thermal Standards Non-profit organization certifying and rating solarthermal systems and components.– Established in 1980’s through the efforts of several states,DOE and SEIA. Current SRCC ANSI-approved standards– ICC 901/SRCC 100-2015 Solar Thermal Collectors– ICC 900/SRCC 300-2015 Solar Thermal Systems Cited by dozens of incentive programs nationwide, IRStax code, ICC International Residential Code (IRC),IAPMO Uniform Solar Energy Code (USEC)July 22, 2016 2016 Solar Energy Industries Association 25

UL Solar Thermal Standards UL 1279-2010 Outline of Investigation for SolarCollectors Addresses factory-built collectors used in activeand thermosiphon systems. Referenced by the IAPMO Uniform Solar EnergyCode (USEC) Where PV modules are used within solar thermalsystems, compliance with UL 1703-2014 Flat-PlatePhotovoltaic Modules and Panels is requiredJuly 22, 2016 2016 Solar Energy Industries Association 26

ASTM Solar Thermal Standards ASTM E44.25 Heat Metering– Committee E44 on Solar, Geothermal and OtherAlternative Energy Sources Addresses performance and operationalcharacteristics for heat meters, regardless ofenergy source. Final draft nearly ready to be submitted to ASTMfor ballot, final version end of 2016. No current references.July 22, 2016 2016 Solar Energy Industries Association 27

IAPMO Solar Thermal Standards Non-profit association of plumbing and mechanicalofficials.– Develops related codes and standards and offerscertifications and ratings for solar thermal systems andcomponents. Current IAPMO SHC standards– IAPMO S1001.1-2013 Design and Installation of Solar WaterHeating Systems– IAPMO S1001.4-2015 Energy Production Rating of SolarHeating Collectors Referenced by a limited number of incentive programs.July 22, 2016 2016 Solar Energy Industries Association 28

SHC Certification and Labeling Third-Party certification to several of the standards for collectors andsystems is required by many programs and codes.– Certification to a given standard may be done by any accredited certificationbody. Right to mark product with certification marks. Online listings of certifications available from most certifiers.July 22, 2016 2016 Solar Energy Industries Association 29

Getting Involved SEIA Codes and Standards Committee– Monitor standard development– Help to establish SEIA position Direct standard development– Contact the committee chair or staff secretariat– Participate in public comment periods SHC Industry groups– SEIA SHC Alliance– ICC-SRCC Codes and Standards CommitteeJuly 22, 2016 2016 Solar Energy Industries Association 30

StructuralJoe CainChair, SEIA Codes & Standards Working [email protected]

Referenced Standards for Structural EngineeringStructural standards directly referenced in IBC Chapter 35: American Society of Civil Engineers/Structu

IEC 61730‐1/2 Module safety IEC 61853‐1/2 Module performance IEC 62078 Guidelines quality system IEC 62093 BOS design Qualification IEC 62109‐1/2/3/4 Safety of Power Converters IEC 62446 System commissioning and Inspection IEC 62509 Battery charge controller performance