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INSPECTION CHECKLIST Inspection Checklist Address: 10861 Maxine Ave, Cupertino, CA 95014 Approval ID: SA20241227-7142-109-2-A AHJ: City of Cupertino, CA Scope of work: 8.2 kW PV Array 27 kWH Energy Storage System 125a Load Center General Guidelines The installer shall follow the manufacturer's instructions for all installed equipment and shall have them available at the time of inspection. All wire sizes shown are, unless indicated otherwise, a minimum and the installer may upsize them at their discretion. All OCPD ratings shown must match the inspection checklist and be installed per the equipment manufacturer's instructions, any ratings that do not match the inspection checklist are valid reasons for inspection failure. Conduit sizing to be confirmed at time of inspection. Contractor to provide conduit fill calculations where requested by inspector Where distribution equipment, such as the main service panel or subpanel buses, are fed simultaneously by a primary source(s) of electricity and one or more other power sources, interconnection shall have a method of compliance at each panel board with both a primary source and other power source(s). Diagram MSP A Generation Sources Location Location A - Main Service Panel (N) Inverter 1 (N) Energy Storage Systems Main Service Panel Equipment Pass If grounding electrode is rod, pipe or plate, then supplemental electrode is properly installed. Exception: If a single rod, pipe, or plate grounding electrode has a resistance to earth of 25 ohms or less, the supplemental electrode shall not be required. EGC is installed ensuring continuity to all system components and finally to grounding electrode. Single Phase Grid Voltage 240 V Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 1/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Busbar 1 Pass Existing Main Service Panel Existing Main Service Panel busbar ampere rating 200 A Rating of the OCPD protecting the Existing Main Service Panel 200 A The manufacturer's instructions were followed accurately and CTs are correctly installed to monitor all sources of supply to the Existing Main Service Panel Busbar 2 Pass Combiner Panel Interconnection Location Main Service Panel Combiner Panel busbar ampere rating 125 A Rating of the OCPD protecting the Combiner Panel 125 A The length of the section of the Combiner Panel feeders that is inside a raceway is less than or equal to 2 feet Conductor gauge for the Combiner Panel feeders 1 AWG Equipment Grounding Conductor size for the Combiner Panel 6 AWG Raceway size for the Combiner Panel feeders is compliant with 300.17 and Chapter 9 Yes Power Control System (PCS)Pass The access to settings of the PCS is restricted to qualified personnel. PCS ampacity setting 160 A Equipment Point of Interconnection Pass Utility Service Rating 200 A Either the connected equipment is within line of sight and closer than 10ft to the point of interconnection or a disconnect/isolation means are installed. There is no existing Utility interactive power production source connected to the home's electric service. - Only the utility interactive power production sources and/or photovoltaic modules specified on this inspection checklist list are present on site. DC and AC conductors are copper, Class B or Class C, and THWN-2, NM or PV Wire, or they are a jacketed multiconductor cable assembly listed and identified for the application. All power terminals are rated to 75°C or greater, labeled for use with Copper Class B or Class C wires, and accept at least 8 AWG wire. Conductors are properly terminated and wired according to the code. Where Equipment Grounding Conductors (EGC) or Grounding Electrode Conductors (GEC) are not routed with circuit conductors, they are a minimum of 6 AWG or they are protected from physical damage There is a minimum working clearance according to the code; for all components that may require service, the standing area of the workspace shall not contain obstructions, abrupt changes in grade, or irregularities. Existing service equipment is rated for 10kAic Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 2/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Backup Initiation Device Pass Backup Initiation Device manufacturer Tesla Inc. Backup Initiation Device model 1624171-XX-Y The rating of the largest load shall be less than or equal to 96 Inverter Pass Inverter architecture String Inverter without DC-DC Converters EGC Wire Size Inverter 1 10 AWG Overcurrent Protective Device rating Inverter 1 60 A AC Wire size Inverter 1 6 AWG Maximum number of THWN-2 conductors in a PV inverter AC output circuit raceway, excluding any equipment grounding conductors.3 wires Inverter 1 model number 1707000-XX-Y [240V, 11.5kW] Inverter 1 manufacturer Tesla Inc. Maximum number of THWN-2 DC conductors in raceway, excluding any equipment grounding conductors.6 wires Maximum number of DC PV wire or USE-2 conductors in raceway, excluding any equipment grounding conductors.8 wires Minimum DC Wire Gauge (PV Wire) for a single series string 12 AWG Minimum DC Wire Gauge (THWN-2 Wire) for a single series string 12 AWG Minimum DC Wire Gauge (PV Wire) for parallel strings 8 AWG Minimum DC Wire Gauge (THWN-2 Wire) for parallel strings 10 AWG Parallel strings are split into dedicated MPPTs at the inverter DC strings EGC is a minimum of 10 AWG Verify that string voltage does not exceed 600V.388.11 V PV inverter maximum input DC open circuit voltage (Voc) on the equipment label 600 V PV inverter maximum input DC short circuit current (Isc) on the equipment label 15 A Presence of Rapid Shutdown switch label per Fire Bulletin Energy Storage System Model 1 Pass ESS Manufacturer Tesla Inc. ESS Model Number 1707000-XX-Y [11.5kW] The ESS model 1 and the PV inverter are certified as a single product with a single AC output and do not require any field wiring between the battery components and the inverter components. Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 3/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Energy Storage System Model 2 Pass ESS Manufacturer Tesla Inc. ESS Model Number 1707000-XX-Y [11.5kW] Quantity of ESS units 1 Energy Storage Equipment Location Pass All of the Energy Storage Equipment units are installed in the following location Outdoor walls Energy Storage Equipment units are located a minimum of 3 feet (914 mm) from doors and windows directly entering the dwelling unit The Energy Storage Equipment units are not installed in a location subject to vehicle damage Individual energy storage systems are separated from each other by at least three feet of spacing unless smaller separation distances are documented to be adequate as approved by the code official based on large scale fire testing. Documentation shall be provided at time of inspection. Energy Storage Architecture Pass Number of distinct Energy Storage System Models used 2 Energy Storage Equipment Pass Energy Storage Equipment is installed and mounted per the manufacturer's instructions. The separation between Energy Storage Equipment units is more than 3 feet Energy Storage Equipment is attached to the building using appropriate fasteners per the manufacturer. Energy Storage Equipment assembly weight 290 lbs The center of mass of the Energy Storage Equipment is located less than 4ft from the floor. ESS Model 2 Pass This is an AC Coupled ESS architecture Overcurrent Protective Device rating ESS 60 A Maximum number of THWN-2 conductors in the AC coupled ESS inverter output circuit raceway, excluding any equipment grounding conductors.3 wires ESS inverter output conductor gauge 6 AWG Equipment Grounding Conductor size per ESS inverter output circuit 10 AWG Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 4/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Roof and PV Array Pass The system will be installed on a permitted structure Racking System Model Number ZS Comp Racking System Manufacturer Zep Solar Inc. The module and racking system shall be installed per the racking manufacturer's installation instructions regarding grounding and bonding, fire, and load ratings Attachment points of the mounting system are staggered No Maximum spacing in inches between adjacent attachment points of the mounting system 72 in Roof penetration sealant method has been installed per the manufacturer's instructions. The distance from the lowest point of the module to the roof surface does not exceed 10 in The roof structure appears to be structurally sound, without signs of alterations or significant structural deterioration or sagging. Quantity and spacing of structural attachments match the installation instructions per manufacturer. Array conductors are secured and supported. Installed so as not to damage the cable, at intervals not exceeding 1.4 m (4.5 ft) and within 300 mm (12 in.) of every cable entry into enclosures such as outlet boxes, junction boxes, cabinets, or fittings. PV Module model number Q.PEAK DUO BLK ML- G10.a+/TS 410 PV Module manufacturer Qcells North America PV Module quantity 20 Module fire rating type 2 Rapid Shutdown Device Manufacturer Tesla Rapid Shutdown Device Model Number MCI-1 Method of rapid shutdown compliance Inside the Array Hazard Control System Verify the location of RSD equipment relative to PV modules is in compliance with the hazard control system certification document attached to the SolarAPP permit. Contractor shall provide a layout schematic of the installed RSD equipment at the time of inspection. All rooftop conduits are mounted at least ⅞” above the roof surface. All conductors installed without raceway are listed as PV Wire, USE-2 or Type distributed generation (DG) cable Roof Plane 1 Pass Pitch 3/12 Roof Covering Asphalt or composition shingles Number of coverings of comp shingle 2 Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 5/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Roof Plane 2 Pass Pitch 3/12 Roof Covering Asphalt or composition shingles Number of coverings of comp shingle 2 Roof Plane 3 Pass Pitch 3/12 Roof Covering Asphalt or composition shingles Number of coverings of comp shingle 2 Roof Plane 4 Pass Pitch 3/12 Roof Covering Asphalt or composition shingles Number of coverings of comp shingle 2 Fire Pass Percentage of the Roof with a Solar Array 9.5 % Fire Pathways, venting and access in accordance with the SolarAPP Fire Bulletin and/or the AHJ requirements therein Disconnecting Means are in compliance with the SolarAPP Fire Bulletin Energy Storage Equipment locations are in accordance with the SolarAPP Fire Bulletin Energy Storage Equipment capacities are in accordance with the SolarAPP Fire Bulletin Energy Storage Equipment installations are compliant with the safety measures required in the SolarAPP Fire Bulletin Signage, Placards, Directories and Markings in accordance with the SolarAPP Fire Bulletin Maximum AC operating current in labels [NEC 690.54]96 A Maximum AC operating voltage in labels [NEC 690.54]240 V Corrections Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 6/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) SolarAPP+™ Fire Bulletin Disconnecting Means SolarAPP+™ Fire Bulletin PV System PV system disconnecting means shall be provided in accordance with the 2020 National Electrical Code® (NEC), NFPA 70.(R) [690.13] A Rapid Shutdown switch shall be provided at a readily accessible location outside the building in accordance with the 2020 National Electrical Code® (NEC), NFPA 70.® [690.12(C)] Energy Storage System A disconnecting means is required for all ungrounded conductors derived from an ESS [NEC 706.15(A)] The disconnecting means can be integral to listed ESS equipment [NEC 706.15(A)] The disconnecting means must be readily accessible [NEC 706.15(A)(1)] The disconnecting means must be within sight of the ESS or as close as practicable with a marking [NEC 706.15(A)(2)] The disconnecting means must be lockable open in accordance with 110.25 [NEC 706.15(A)(3)] For one-family and two-family dwellings, a disconnecting means or its remote control shall be located at a readily accessible location outside the building. [NEC 706.15(A)] Where remote actuation of the disconnecting means is employed the controls are not within sight of the ESS, the disconnecting means shall be capable of being locked in the open position. [NEC 706.15(B); 110.25] Where circuits from the input or output terminals of energy storage components in an ESS pass through a wall, floor, or ceiling, a readily accessible disconnecting means shall be provided within sight of the energy storage component. Fused disconnecting means or circuit breakers shall be permitted to be used. [NEC 706.15(D); 706.31(F)] The marking for the ESS must indicate whether it is open or closed and be permanently marked “ENERGY STORAGE SYSTEM DISCONNECT.” The disconnecting means must be legibly marked with nominal ESS ac voltage, maximum ESS dc voltage. [NEC 706.15(C)] Signs, Placards, Directories, and Markings Guidance SolarAPP+™ Fire Bulletin General All labeling shall comply with Articles 690 and 705 of the 2020 National Electrical Code® (NEC), NFPA 70 All labeling shall comply with Section 324 of the 2021 International Residential Code All labeling shall comply with [NEC 110.21 (B)] Rapid Shutdown Label Buildings with more than one rapid shutdown type:A detailed plan view diagram showing each PV system and a dotted line around areas that remain energized after the rapid shutdown switch is operated. [NEC 690.56(C)(2)] Rapid Shutdown (PV Hazard Control) switch:This switch shall have a label not greater than 3 feet from the switch that states the following: RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM [NEC 690.56(C)(1)] Roof Access, Egress, and Ventilation SolarAPP+™ Fire Bulletin Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 7/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) General Access and minimum spacing shall be provided for access to specific areas of the roof, emergency egress from the roof and opportunities for smoke ventilation in accordance with the 2021 International Residential Code [IRC 324.6] References: Ridge Setbacks - [IRC R324.6.2] Sprinklered Occupancies - [IRC R324.6.2.1] Pathways - [IRC 324.6.1] Emergency escape and rescue openings - [IRC R324.6.3] Exceptions: Detached, non-inhabitable structures [IRC R324.6 Ex. 1] Low-slope roofs with pitch of less than or equal to 2:12; this exception may not be valid depending on the jurisdiction. [IRC R324.6 Ex. 3] Carbon Monoxide, Smoke & Heat Detectors SolarAPP+™ Fire Bulletin Guidance: Where required, Carbon Monoxide and smoke detectors shall be provided in accordance with the code or an Affidavit has been provided by the customer. 2021 International Residential Code.[R314, R315] Rooms and areas within dwelling units, basements and attached garages in which ESS are installed shall be protected by smoke alarms in accordance to the code. A heat detector, listed and interconnected to the smoke alarms, shall be installed in locations within dweling units and attached garages where smoke alarms cannot be installed based on their listing. 2021 International Residential Code.[R314, R315, R328.7] Energy Storage System SolarAPP+™ Fire Bulletin Special Considerations Individual energy storage systems shall be separated from each other by at least three feet of spacing unless smaller separation distances are documented to be adequate as approved by the code official based on large scale fire testing. [IRC R328.3.1] Individual ESS unit ratings shall not exceed 20kWh. [IRC R328.5] ESS shall be installed only in the following locations:1. Detached garages and detached accessory structures.2. Attached garages separated from the dwelling unit living space in accordance with the Code.3. Outdoors or on the exterior side of exterior walls located not less than 3 feet (914 mm) from doors and windows directly entering the dwelling unit.4. Enclosed utility closets, basements, storage or utility spaces within dwelling units with finished or noncombustible walls and ceilings. Walls and ceilings of unfinished wood-framed construction shall be provided with not less than 5/8 inch Type X gypsum wallboard. [IRC R328.4] ESS shall not be installed in sleeping rooms, or closets or spaces opening directly into sleeping rooms. [IRC R328.4] Aggregate energy ratings shall not exceed:40kWh within utility closets, basements, and storage or utility spaces80kWh in attached or detached garages and detached accessory structures80kWh on exterior walls80kWh outdoors on the ground0kWh in habitable space [IRC R328.4,R328.5] When the ESS is installed in a location subject to vehicle damage it shall be protected by approved barriers. [IRC R328.8] Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 8/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) ESS installed indoors that produce hydrogen or other flammable gases during charging shall be provided with either natural or mechanical ventilation in accordance with Section M1307.4.1 or M1307.4.2. [IRC R328.9; M1307.4] Documentation and labeling A copy of the manufacturer’s installation, operation, maintenance and decommissioning instructions shall be provided to the owner or placed in a conspicuous location near the ESS equipment. [IRC R328.11] A label on the installed system containing the contact information for the qualified maintenance and service providers. [IRC R328.11] Fire Classification SolarAPP+™ Fire Bulletin PV System Rooftop-mounted PV systems shall have the same fire classification as the roof assembly required in 2021 International Residential Code. [R902.4; R324.4.2] Building-integrated photovoltaic products installed as the roof covering shall be tested, listed, and labeled for fire classification. [IRC R902.3, R324.5.2] Building-integrated photovoltaic products installed as the roof covering shall comply with the minimum requirements for fire classification set by the jurisdiction. [IRC R902.1] Product Certifications SolarAPP+™ Fire Bulletin PV System PV panels and modules shall be listed and labeled to UL 1703 and/or both UL 61730-1 and UL 61730-2 [NEC 690.4(B)] [IRC R324.3.1] Inverters shall be listed and labeled to UL 1741 [NEC 690.4(B)] [IRC R324.3.1] Energy Storage System The ESS inverter, for AC Coupled systems, shall be listed and labeled to UL 1741 [IRC R328.6] The ESS shall be listed and labeled to UL 9540 [IRC R328.2] The ESS Microgrid Interconnection Device shall be listed and labeled to UL 1741 [IRC R328.6] Hazard Control System Hazard control system shall be listed and labeled to UL 3741 [NEC 90.7; 110.3(C); 690.4(B); 690.12(B)(2)(1); 690.12(D)] Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 9/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Signs, Placards, Directories, and Markings SolarAPP+™ Fire Bulletin Service Disconnect "SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN" TURN RAPID SHUTDOWN SWITCH TO THE "OFF" POSITION TO SHUT DOWN PV SYSTEM AND REDUCE SHOCK HAZARD IN ARRAY. Simple Diagram Here Location: At each service equipment location to which the PV systems are connected. Code: [NEC 690.56(C)] RSD Initiation Device RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM Location: Rapid shutdown initiation device. Code: [NEC 690.56(C)(2)] Point of Interconnection "CAUTION: MULTIPLE SOURCES OF POWER" (LAYOUT OR DESCRIPTION) Location: Service location or approved readily accessible location Code: [NEC 705.10; 706.21(A)] WARNING: DUAL POWER SOURCE SECOND SOURCE IS PV SYSTEM Location: Electrical Equipment containing overcurrent devices in circuits supplying power to a busbar or conductor supplied from multiple sources Code: [NEC 705.12 (C)] WARNING: TRI POWER SOURCE SECOND SOURCE IS PV SYSTEM THIRD SOURCE IS ENERGY STORAGE SYSTEM WARNING: POWER SOURCE OUTPUT CONNECTION - DO NOT RELOCATE THIS OVERCURRENT DEVICE Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 10/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Location: Electrical Equipment containing overcurrent devices in circuits supplying power to a busbar or conductor supplied from multiple sources Code: [NEC 705.12 (C)] Location: At back-feed breaker if using 120% rule (if applicable) Code: [NEC 705.12(B)(3)(2)] WARNING: THIS EQUIPMENT FED BY MULTIPLE SOURCES. TOTAL RATING OF ALL OVERCURRENT DEVICES EXCLUDING MAIN SUPPLY OVERCURRENT DEVICE, SHALL NOT EXCEED AMPACITY OF BUSBAR Location: At distribution equipment adjacent to the back-fed breaker from the power source when using this "sum of breakers" code compliance rule. Code: [NEC 705.12(B)(3)(3)] WARNING: ELECTRIC SHOCK HAZARD TERMINALS ON THE LINE AND LOAD SIDES MAY BE ENERGIZED IN THE OPEN POSITION Location: For ESS disconnecting means where the line and load terminals may be energized in the open position. Code: [NEC 705.15(C)] PHOTOVOLTAIC POINT OF INTERCONNECTION MAXIMUM AC OPERATING CURRENT: MAXIMUM AC OPERATING VOLTAGE: Location: All interactive system(s) points of interconnection. Code: [NEC 690.54] DC Circuit Raceways and Enclosures PHOTOVOLTAIC POWER SOURCE Location: Unless located and arranged so the purpose is evident, labels will be required for DC Circuit Raceways and Enclosures, conduit, and combiner/junction boxes. Code: [NEC 690.31(D)(2)] PV System Disconnect WARNING: ELECTRIC SHOCK HAZARD TERMINALS ON LINE AND LOAD SIDES MAY BE ENERGIZED IN THE OPEN POSITION PV SYSTEM DISCONNECT Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 11/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Location: DC Disconnecting Means where terminals on both line and load side may remain energized. Example language or equivalent. Code: [NEC 690.13(B)] Location: Each PV System Disconnect (May be AC or DC) Code: [NEC 690.13(B)] DC String Inverters Equipment Disconnects WARNING: ELECTRIC SHOCK HAZARD TERMINALS ON THE LINE AND LOAD SIDES MAY BE ENERGIZED IN THE OPEN POSITION Location: Each PV system disconnecting means where line and load may be energized in the open position Code: [NEC 690.13(B)] PHOTOVOLTAIC DC DISCONNECT Location: Each PV system disconnecting means. Code: [NEC 690.13(B)] PV SYSTEM MAXIMUM VOLTAGE: Location: At each DC PV system disconnecting means. Code: [NEC 690.53] Roof Access and Ventilation Diagrams SolarAPP+™ Fire Bulletin Ridge Setbacks PV Less Than 33% Roof Area (66% for homes with sprinkler systems) [IRC R324.6.2] PV More Than 33% Roof Area (66% for homes with sprinkler systems) [IRC R324.6.2.1] Hips & Valley Setbacks PV Less Than 33% Roof Area - Street Access (66% for homes with sprinkler systems) [IRC R324.6.1] PV More Than 33% Roof Area - Street Access (66% for homes with sprinkler systems) [IRC R324.6.1] PV Less Than 33% Roof Area - Driveway Access (66% for homes with sprinkler systems) [IRC R324.6.1] PV More Than 33% Roof Area - Driveway Access (66% for homes with sprinkler systems) [IRC R324.6.1] Emergency Escape & Rescue Opening Minimum 3' Emergency Escape Pathway [IRC R324.6.3] Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 12/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 13/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) FIRE SAFETY CODE REQUIREMENTS Does the home have sprinkler systems?No Percentage of Roof Area covered with PV Total Array Area / Total Roof Area 9.50% Roof Access and Ventilation Diagrams Fire Safety Ridge Setbacks PV Less Than 33% Roof Area (66% for homes with sprinkler systems) or per AHJ appendix. Emergency Escape & Rescue Opening Minimum 3’ Emergency Escape Pathway Hips and Valley Setbacks PV Less Than 33% Roof Area - Street Access (66% for homes with sprinkler systems) or per AHJ appendix. PV Less Than 33% Roof Area - Driveway Access (66% for homes with sprinkler systems) or per AHJ appendix. Powered by TCPDF (www.tcpdf.org) Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 14/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) INPUTS Permit Details [80.19(H) ; R105.3] GENERAL Project Information Project Title JB-95023712-00 Address 10861 Maxine Ave, Cupertino, CA 95014 Homeowner's full name Amit Verma Confirm that you have verified the homeowner's information and right to install on the property. Yes AHJ City of Cupertino, CA This project's scope includes Photovoltaic Panels Yes This project's scope includes Energy Storage Equipment Yes Code Cycle 2020/2021 NEC Code Cycle 2020 IRC Code Cycle 2021 Scope of Work 8.2 kW PV Array 27 kWH Energy Storage System 125a Load Center Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 15/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Project Valuation is required for calculating the AHJ permit fee Yes Project Valuation 32666.68 PV System Size AC (kW)11.51 kW PV System Size DC (kW)8.2 kW Confirm you have reviewed SolarAPP+ eligibility:Yes The system will be installed on a permitted structure Yes Will this system be installed on a new construction?No Installation Applicability and Compliance All work will comply with the 2020 National Electrical Code (NFPA 70), the International Code Council 2021 I-Codes, Minimum Design Loads and Associated Criteria for Buildings and Other Structures (ASCE/SEI 7-16), UL Standards, Manufacturer's instructions, and Municipal requirements. Yes State License Type state Number 888104 City Business License Type city Number BL400871 Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 16/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Inspection Guidelines The installer is responsible for following the manufacturer's instructions for all installed equipment and for having them ready for review upon inspector request. All wire sizes shown are a minimum, unless indicated otherwise, and the installer may upsize them at their discretion. All OCPD ratings shown must match the inspection checklist and be installed per the equipment manufacturer's instructions, any ratings that do not match the inspection checklist are valid reasons for inspection failure. Where distribution equipment, such as the main service panel or subpanel buses, are fed simultaneously by a primary source(s) of electricity and one or more other power sources, interconnection shall have a method of compliance at each panel board with both a primary source and other power source(s). Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 17/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) FIRE I hereby affirm that I will comply with all requirements and guidelines as set out by the SolarAPP Fire Bulletin. Yes Does the home have sprinkler systems?No Total array area 413.34 sqft Total roof area 4351 sqft Percentage of Roof Area covered with PV Total Array Area / Total Roof Area 9.5 % See Fire Setback Diagram attached.Less Than 33/66 Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 18/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) STRUCTURAL General The weight of the PV system in lbs/sq ft [IRC R301.4]3 psf The AHJ default ground snow load is [IRC Table R301.2; IRC Fig R301.2(3) R301.2(4)] 0 lb/sqft The site specific ground snow load will be overridden by the local design ground snow load Yes The design snow load is 0 lb/sqft Proposed maximum spacing in inches between adjacent attachment points of the mounting system 72 in Will attachment points of the mounting system be staggered?No The number of roof surfaces at different slopes and/or orientations that will be used for installation are: .Note: 1 means all roofs used have the same orientation. 4 Type of mounting for the PV system Flush mount The AHJ default wind speed is 95 MPH The site specifc wind speed will be overridden by the local design wind speed Yes Design wind speed 95 MPH Mounting Planes Mounting Plane Type 1 Maximum distance from the lowest point of the module to the roof 4 in Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 19/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Mounting Plane Type 1 The current roof covering is [IRC Section R905; R308.4]Asphalt or composition shingles The number of comp shingle layers that are currently present is . [R908.3.1.1]2 The pitch of the roof surface is [IRC Section R905]3/12 Mounting Plane Type 2 Maximum distance from the lowest point of the module to the roof 4 in The current roof covering is [IRC Section R905; R308.4]Asphalt or composition shingles The number of comp shingle layers that are currently present is . [R908.3.1.1]2 The pitch of the roof surface is [IRC Section R905]3/12 Mounting Plane Type 3 Maximum distance from the lowest point of the module to the roof 4 in The current roof covering is [IRC Section R905; R308.4]Asphalt or composition shingles The number of comp shingle layers that are currently present is . [R908.3.1.1]2 The pitch of the roof surface is [IRC Section R905]3/12 Mounting Plane Type 4 Maximum distance from the lowest point of the module to the roof 4 in The current roof covering is [IRC Section R905; R308.4]Asphalt or composition shingles Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 20/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Mounting Plane Type 4 The number of comp shingle layers that are currently present is . [R908.3.1.1]2 The pitch of the roof surface is [IRC Section R905]3/12 Wind Speed Is the solar module and mounting system rated by the manufacturer to withstand the upward force of the local wind speed (95 MPH) and evenly distribute load into the supporting structure at the proposed maximum spacing, and confirmed in UL 1703 or 61730 (Part 1 & 2), and 2703 listings? [IRC R324.4.1.2; R324.3.1] Yes Roof Condition Does the roof structure appear to be structurally sound, without signs of alterations or significant structural deterioration or sagging? Yes Energy Storage Equipment Mounting Large Scale Fire Testing Should SolarAPP+ disable UL 9540A Spacing Exceptions for this jurisdiction?No Will the separation between Energy Storage Equipment units be less than 3 feet?No Seismic Design Category Seismic Design Category for this area (SolarAPP only covers Risk Category I-III structures) [ASCE 7-16 Table 11.6-1] SDC E Will the Energy Storage Equipment be installed per the manufacturer's instructions?Yes Is the Energy Storage Equipment attached to the building using appropriate fasteners per the manufacturer? [ASCE 7-16 13.1.4.5.a] Yes How much does the Energy Storage Equipment assembly weight?290 lbs Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 21/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Seismic Design Category Is the center of mass of the Energy Storage Equipment located less than 4ft from the floor? [ASCE 7-16 13.1.4.6.a] Yes Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 22/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) ELECTRICAL Equipment Architecture type used for all inverters in this project String Inverter without DC-DC Converters Inverter 1 Inverter 1 Model Number 1707000-XX-Y [240V, 11.5kW] Datasheet for Inverter 1: See attached. [NEC 90.7; 110.3(C)]POWERWALL3_up_Nov_8_2023 .pdf Inverter 1 Manufacturer:Tesla Inc. Is Inverter 1 UL 1741 listed? [NEC 110.3(C); 690.4(B)] What is the maximum fuse rating allowed on Inverter 1?60 A Will you use a Power Control System to curtail the Maximum Continous Output Power of the Inverter 1? [NEC 705.13] No Inverter 1 Maximum Continous Output Power 11.51 kW Where will inverter 1 be interconnected?Main Service Panel Inverter 2 Where will inverter 2 be interconnected?0 Modules Module 1 Model Number Q.PEAK DUO BLK ML- G10.a+/TS 410 Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 23/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Modules Datasheet for Module 1: See attached. [NEC 90.7; 110.3(C)]Q.PEAK DUO BLK ML-G10+ SERIES TS410.pdf Module 1 Manufacturer Qcells North America Module 1 is UL 1703 or UL 61730 (Part 1 & 2) listed [NEC 110.3(C); 690.4(B)] Module 1 quantity 20 Module open circuit voltage with record low temperature correction 48.51 V Module short circuit current with average high temperature correction [NEC 690.8(A)(1)(a)(1)] 14 A Is the PV module bifacial?No Module fire rating type 2 Racking System Racking System Model Number ZS Comp Racking System Manufacturer Zep Solar Inc. Datasheet for Racking System: See attached. [NEC 90.7; 110.3(C)]ZS Comp V3.5 Flashing_UP.Oct.14.2022.pdf Is the Racking System UL 2703 listed for grounding and bonding with the PV module models specified in this SolarAPP project? [NEC 90.7; 110.3(C); 690.43(A)] Yes The combination of modules and racking system shall have the same fire classification as the roof assembly. [IRC R324.4.2; R902.4] Yes Name/description of roof penetration sealant method to be used.Flashing Insert Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 24/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Racking System You have agreed to install the sealant method per the manufacturer's instructions for the means of accomplishing weather proofing [IRC R324.4.3] Yes Fire classification [IRC R324.4.2]A Compatible roof pitch regime Pitched Compatible module fire rating types 1,2 Maximum gap between the roof and the lowest point of the module 10 in Compatible Roof Types Asphalt or composition shingles Rapid Shutdown Rapid Shutdown Device Manufacturer Tesla Rapid Shutdown Device Model Number MCI-1 Datasheet for Rapid Shutdown Device [NEC 90.7; 110.3(C)]Solar_Shutdown_Device_UP.Jun e.26.2023.pdf Module open circuit voltage is below the Rapid Shutdown maximum DC input voltage. The maximum DC input voltage for the rapid shutdown device is 600 V Module short circuit current is below the Rapid Shutdown maximum DC input current. The maximum DC input current for the rapid shutdown device is 19 A Method of Rapid Shutdown Compliance Inside the Array Hazard Control System Certification of the Hazard Control System (HCS) under UL 3741 as PV Rapid Shutdown Array (PVRSA). See attached. [NEC 90.7; 110.3(C)] PVRSA_June.2023.pdf Are PV arrays UL 3741 listed? [NEC 90.7; 110.3(C); 690.4(B); 690.12(B)(2)(1); 690.12(D)] Yes Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 25/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Energy Storage Architecture The equipment used for energy storage is Energy Storage System Number of distinct Energy Storage System Models used 2 Each ESS unit has a dedicated OCPD, there are no parallel connections between AC coupled ESS units. Yes Energy Storage Equipment Location Location of the Energy Storage Equipment units [IRC R328.4]Outdoor walls Will the Energy Storage Equipment be located not less than 3 feet (914 mm) from doors and windows directly entering the dwelling unit? [IRC R328.4(3)] Yes Will the energy storage equipment be installed in a location subject to vehicle damage? [IRC R328.8] No Energy Storage System Model 1 ESS Manufacturer Tesla Inc. ESS Model Number 1707000-XX-Y [11.5kW] ESS and PV inverter are certified as a single product with a single AC output and with no field wiring between the battery components and the inverter components. Yes An AC coupled ESS, with a dedicated AC output and OCPD different from the PV inverter will be installed. No The ESS is certified to UL 9540 [IRC R328.2]2023-03-23 Individual ESS energy capacity [IRC R328.5]13.5 kWh Where will Energy Storage Systems be interconnected?Main Service Panel Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 26/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Energy Storage System Model 2 ESS Manufacturer Tesla Inc. ESS Model Number 1707000-XX-Y [11.5kW] The Energy Storage System output voltage matches the Single Phase Grid Voltage 240 Will you use a Power Control System to curtail the Maximum Continous Output Power of the ESS? [NEC 705.13] No ESS and PV inverter are certified as a single product with a single AC output and with no field wiring between the battery components and the inverter components. No An AC coupled ESS, with a dedicated AC output and OCPD different from the PV inverter will be installed. Yes The ESS is certified to UL 9540 [IRC R328.2]2023-03-23 Upload datasheet. See attached.Tesla Powerwall3_UP.February.2 8.2024.pdf Quantity of ESS units 1 Individual ESS energy capacity [IRC R328.5]13.5 kWh Where will Energy Storage Systems be interconnected?Main Service Panel Site Conditions Ambient Dry Bulb Extreme Record Low Temperature (°C) [NEC 690.7(A)]-0.4 °C Ambient Dry Bulb Average High Temperature (°C)30.7 °C Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 27/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Single Phase Grid Voltage 240 V Existing Systems Is there an existing Utility interactive power production source connected to the home's electric service? No Existing System 1 Inverter manufacturer for existing system circuit #1 N/A Inverter model for existing system circuit #1 N/A What is the quantity of inverters in the existing system circuit #1 N/A Where are the existing system circuits of inverter #1 interconnected?N/A Total output power of existing system circuit #1 0 kW Total output current of existing system circuit #1 0 A Installation Details Are DC and AC conductors copper, Class B or Class C, and THWN-2, NM, USE-2, PV Wire, or jacketed multiconductor cable assembly listed and identified for the application? [NEC 690.8(B); 690.31(A); 690.31(C); 310.15(A);310.15(B)] Yes Are all rooftop conduits mounted at least 7/8" above the roof surface [NEC 310.15(B)(2)]: Yes Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 28/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Are all conductors installed without raceway listed as PV Wire, USE-2 or Type distributed generation (DG) cable? [NEC 690.31(C)(1)] Yes Are all power terminals rated to 75°C or greater, labeled for use with Copper Class B or Class C wires, and accept at least 8 AWG wire? [NEC 110.14] Yes Where Equipment Grounding Conductors (EGC) or Grounding Electrode Conductors (GEC) are not routed with circuit conductors, they are a minimum of 6 AWG or they are protected from physical damage [NEC 250.120(C); 250.64(B)(3)] Yes DC strings EGC is a minimum of 10 AWG Yes Module voltage and current DC specifications fall within allowable range of connected equipment Yes All equipment is listed for the application, rated equal to or greater than the connected overcurrent device and installed per the manufacturer's instructions. Documentation shall be provided at time of inspection. Yes Is there a utility available fault current greater than 10kA at the service?No Inverter without DC-DC Converters Maximum PV Source Circuit Voltage Max quantity modules in DC series string 8 modules Maximum PV Source Circuit VoltageCalculation:For DC strings of modules, using the Voc of proposed modules, the lowest ambient temperature entered above, and the temperature coefficient provided by the manufacturer, calculate that maximum voltage for the quantity of modules in a DC string entered above does not exceed 600V using the following formula:( ( pv_beta_Voc * pv_Nameplate_Voc / 100 ) * ( record_low_temperature - 25 ) + pv_Nameplate_Voc) * I24 388.11 V PV Source Circuit PV module series strings from solar arrays to the PV inverter are combined in parallel Yes There are more than 2 PV module series strings combined in parallel.No Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 29/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) PV Source Circuit Do each of the parallel strings have a dedicated MPPT at the inverter?Yes PV inverter maximum input DC open circuit voltage (Voc)600 V PV inverter maximum input DC short circuit current (Isc)15 A Maximum number of DC PV wire or USE-2 conductors in a raceway from solar arrays to the PV inverter, excluding any equipment grounding conductors. 8 wires Maximum number of DC THWN-2 conductors in a raceway from solar arrays to the PV inverter, excluding any equipment grounding conductors. 6 wires Minimum DC Wire Gauge (PV Wire) for a single series string - See Table 1 12 AWG Minimum DC Wire Gauge (THWN-2 Wire) for a single series string - See Table 1 12 AWG Minimum DC Wire Gauge (PV Wire) for parallel strings - See Table 1 8 AWG Minimum DC Wire Gauge (THWN-2 Wire) for parallel strings - See Table 1 10 AWG Table 1 [NEC 240.4(D); Table 310.15(C)(1); Table 310.15(B)(2); Table 310.16; 690.8(A)(1); 690.8(B)] Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 30/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) PV Source Circuit Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 31/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Inverter Output Circuit See Table 3 below for selection of minimum Inverter output wire size and inverter output overcurrent protection size Inverter 1: Inverter Continuous Output Current = Power / Site Voltage:47.95 A Table 3.1 [NEC 240.4(D); table 310.15(C)(1); table 310.15(B)(2); table 310.16; 690.8; 690.9; 705.30; 220.5 (B)] Inverter 1 - See Table 3 for the minimum Overcurrent Protection Device rating. [NEC 690.9(A); 690.9(B); Table 240.6(A)] 60 A Inverter 1 Overcurrent Protection Device rating [NEC 690.9(A); 690.9(B)]60 A Maximum number of THWN-2 conductors in an PV inverter AC output circuit raceway, excluding any equipment grounding conductors. 3 wires Inverter 1 - See Table 3.2 for the selection of the AC wire size in raceway 6 AWG Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 32/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Inverter Output Circuit Table 3.2 [NEC 240.4(D); table 310.15(C)(1); table 310.15(B)(2); table 310.16; 690.8; 690.9; 705.30; 220.5 (B)] Grounding & Bonding See Table 5 for selection of Equipment Grounding Conductor wire gauge. Inverter 1 - See table 5 for Equipment Grounding Conductor (EGC) based on overcurrent protective device 10 AWG Table 5 [NEC Table 250.122] ESS Model 2 ESS Architecture This is an AC Coupled ESS Installation Details The ESS inverter is certified to UL 1741 [IRC R328.6] Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 33/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Individual ESS Inverter output Maximum Continuous Discharge Power (kW)11.5 kW Maximum Continuous Discharge Current (A) [NEC 706.30]47.92 A ESS - See Table 3.1 for the minimum Overcurrent Protection Device rating. [NEC 705.30; Table 240.6(A)] 60 A ESS Overcurrent Protection Device rating [NEC 690.9(A); 690.9(B)]60 A Maximum number of THWN-2 conductors in the AC coupled ESS inverter output circuit raceway, excluding any equipment grounding conductors. 3 wires Based on Table 3.2, calculate ESS inverter output conductor gauge 6 AWG Grounding Based on Table 5, calculate Equipment Grounding Conductor size per ESS inverter output circuit 10 AWG Energy Storage System Combined Capacity Table 3.1 [NEC 240.4(D); table 310.15(C)(1); table 310.15(B)(2); table 310.16; 690.8; 690.9; 705.30; 220.5 (B)] Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 34/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Combined Capacity Table 3.2 [NEC 240.4(D); table 310.15(C)(1); table 310.15(B)(2); table 310.16; 690.8; 690.9; 705.30; 220.5 (B)] Table 5 [NEC Table 250.122] Combined continuous output current of all ESS inverters.47.92 A Total ESS Capacity 27 kWh Backup Initiation Device Will you install a Backup Initiation Device?Yes Will the Energy Storage Equipment charge from the Grid?0 Backup Initiation Device type MID Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 35/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Backup Initiation Device integration method Meter Mounted Backup Initiation Device manufacturer Tesla Inc. Backup Initiation Device model 1624171-XX-Y Ampere rating of the Backup Initiation Device 200 A The MID is listed and labeled to UL1741 The Meter Socket Adapter is listed and labeled to UL414 Backup Loads Will the Energy Storage System have adequate capacity to supply connected equipment or backup loads in the event of a grid outage? [NEC Article 710][NEC Article 702] Yes Backup capacity 96 A The rating of the largest utilization load shall be below the backup capacity [NEC 710.15(A)] Electrical Work Main Panel Upgrades and Main Breaker Derates A Main Panel Upgrade is being performed.No A Main Breaker Derate is being performed.No Busbars Busbar quantity 2 Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 36/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Busbar 1 Busbar name Existing Main Service Panel Busbar name parameters passed to table 35.3 No,Yes,Main Service Panel,-,Yes,Yes,-,- Is this a combiner panel?No Is this an existing busbar?Yes Select the type of existing busbar Main Service Panel Ratings Existing Main Service Panel busbar ampere rating 200 A Rating of the OCPD protecting the Existing Main Service Panel 200 A Feeders Table 3.1 Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 37/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Feeders Table 23.1 [NEC 240.4(D); 310.12 ; Table 310.15(C)(1) ; Table 310.15(B)(2) ; Table 310.16 ; 690.8; 690.9; 705.30] Table 23.2 [NEC 240.4(D); 310.12 ; Table 310.15(C)(1) ; Table 310.15(B)(2) ; Table 310.16 ; 690.8; 690.9; 705.30] Table 23.3 [NEC 240.4(D); 310.12 ; Table 310.15(C)(1) ; Table 310.15(B)(2) ; Table 310.16 ; 690.8; 690.9; 705.30] Feeder Interconnection Generation source connected at the feeders of the Existing Main Service Panel No Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 38/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Feeder Interconnection Are you connecting your power production sources to the Existing Main Service Panel feeders at a location other than the downstream end of the feeder? [NEC 705.12 (B) (3) (6); 705.12 (B) (1) (a); 705.12 (B) (1) (b)] N/A Ground Table 5 [NEC Table 250.122] Interconnection compliance Backfeed from Generation Sources at Point of Interconnection A at the Existing Main Service Panel 95.87 A Total backfeed at the Existing Main Service Panel 95.87 A Maximum continous current at the Existing Main Service Panel 160 A The Existing Main Service Panel is subject to backfeed.Yes Compliance method for the Existing Main Service Panel Power Control System Power Control System employed in busbar Existing Main Service Panel The manufacturer's instructions shall be followed accurately and CTs shall be correctly installed to monitor all sources of supply to the Existing Main Service Panel [NEC 705.13 (B)] The PCS controller shall monitor all currents within the PCS. The sum of all PCS-controlled currents plus all monitored currents from other sources of supply shall not exceed the ampacity of any busbar or conductor supplied by the power production sources. Is there a Main Breaker protecting the busbar from generation sources interconnected at its feeders? No Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 39/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Busbar 2 Busbar name Combiner Panel Busbar name parameters passed to table 35.3 No,No,-,No,Yes,Yes,-,- Is this a combiner panel?Yes Relocated Loads Panel Will you relocate one or more existing loads to the new busbar?No Combiner Panel Will you use this new busbar for combining generation sources output?Yes Point of interconnection where the Combiner Panel is located Main Service Panel The inverter 1 PV system is connected to the Combiner Panel Yes The standalone Energy Storage System is connected to the Combiner Panel Yes Do you have a dedicated OCPD protecting the Combiner Panel?Yes Ratings Combiner Panel busbar ampere rating 125 A Rating of the OCPD protecting the Combiner Panel 125 A Feeders The length of the section of the Combiner Panel feeders that is inside a raceway is less than or equal to 2 feet Yes Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 40/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Feeders Combined continous inverter output current on the Combiner Panel 95.87 A See Table 3.1 for the minimum OCPD rating protecting the Combiner Panel 125 A OCPD rating used to calculate the Combiner Panel feeders rating 125 A Table 3.1 Based on Table 23, calculated conductor gauge for the Combiner Panel feeders 1 AWG Table 23.1 [NEC 240.4(D); 310.12 ; Table 310.15(C)(1) ; Table 310.15(B)(2) ; Table 310.16 ; 690.8; 690.9; 705.30] Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 41/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Feeders Table 23.2 [NEC 240.4(D); 310.12 ; Table 310.15(C)(1) ; Table 310.15(B)(2) ; Table 310.16 ; 690.8; 690.9; 705.30] Table 23.3 [NEC 240.4(D); 310.12 ; Table 310.15(C)(1) ; Table 310.15(B)(2) ; Table 310.16 ; 690.8; 690.9; 705.30] Ground Equipment Grounding Conductor size for the Combiner Panel 6 AWG Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 42/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Ground Table 5 [NEC Table 250.122] Raceway Raceway size for the new busbar feeders is compliant with 300.17 and Chapter 9 [NEC 300.17; Chapter 9] Yes Service Service OCPD Location Existing Main Service Panel Service OCPD Rating 200 A The combined rating of the service disconnects is a minimum of 100A in one-family dwellings and 60A in all other dwellings types. [NEC 230.79; 230.80] Utility Service Rating 200 A Point of Connection Either the connected equipment is within line of sight and closer than 10ft to the point of interconnection or a disconnect/isolation means are installed. [NEC 690.15 (A)] Point of Connection at Service Feeders Supply Side Connection Are you connecting your power production sources in a supply side connection using listed equipment in accordance with [NEC 705.11]? No Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 43/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) Power Control System (PCS) The Power Control System is listed to control one or more power production sources, energy storage systems (ESS), and other equipment installed. [NEC 705.13, 705.13 (C)] Yes Largest power source OCPD rating 60 The rating of the OCPD of the largest power source controlled by the PCS does not exceed the rating of the busbar protected by the PCS [NEC 705.13 (D)] The access to settings of the PCS is restricted to qualified personnel. [NEC 705.13 (E), 240.6 (C)] Yes PCS setting [NEC 705.13 (A); 705.13 (B)]160 A Supported Tie-Ins A new backup load center is being installed No A new sub panel is being installed No The point of interconnection is at the existing subpanel No A new non-backup load center is being installed No A Main Panel Insert is being installed to relocate high demand loads from the existing main service panel to a new main service panel outside of backup, reducing the amount of loads that require relocation on projects with energy storage. No Main Service Panel type Regular The busbar quantity per busbar category is aligned with the list of SolarAPP supported tie-ins. Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 44/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) A Main Service Panel has been found in the busbar inputs. SolarAPP Supported Tie-Ins ID 1129 SolarAPP Supported Tie-Ins ID parameters PV+ST,Meter Mounted,No,No,No,No,No,Main Service Panel,Regular,No,No Generation Sources Interconnection Point of Interconnection Configuration Main Service Panel Interconnection found at subpanel feeders No Location A - Name Main Service Panel Location A - Generation Sources (N) Inverter 1 (N) Energy Storage Systems Location A - Total output current 95.87 A Total output current from all generation sources 95.87 A Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 45/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) WORKERS' COMP By applying for this permit, you represent and warrant that you (i) have (and will have during the performance of the work) all valid approvals, certifications, and licenses required for the performance of the work for which this permit is issued, (ii) carry (and will carry during the performance of the work) all necessary insurance required by law or governmental authority in the jurisdiction and (iii) will comply with all applicable laws required in the performance of the work. Yes Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 46/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) SolarAPP PV+ST Eligibility 10/29/2024 System New residential energy storage systems (ESS) New rooftop residential retrofit PV systems Installed by contractor with all licenses required by jurisdiction Lithium Ion batteries Each residence must have a unique utility meter Electrical The project must comply with the applicable National Electric Code 600V maximum series string voltage Single phase 240V or 208V residential utility services only Aluminum wires are only allowed for backup initiation device feeders Must use 600V rated PV wire, or equivalent, for exposed, rooftop DC conductors Must use 90 deg C rated insulated wire Max 2 DC strings in parallel Inverter output circuit conductors must be THWN-2, or listed NM Terminals must be rated to 75 deg C, labeled for use with Cu wires, and accept minimum 8 AWG wire Microinverters or AC Modules branch circuit overcurrent protection device must be rated for a maximum of 20A Permitted to install on up to or equal to 400A service Permitted to install on up to or equal to 200A service disconnect Permitted to install on up to or equal to 225A busbars May include an existing PV system with one (1) module type and multiple PV inverters May install only 1 PV module model May install up to 2 inverters for string inverters May install up to 1 inverter model for microinverters and AC modules Conduit may not be schedule 80 PVC Modules and inverters must be listed in the California Energy Commission’s database of approved equipment Energy storage systems and batteries must be listed in the California Energy Commission’s database of approved equipment Rapid shutdown cannot be satisfied using the method: No exposed wiring or conductive parts [690.12(B)(2)(3)] No trenching allowed May include up to two (2) points of interconnection to premises wiring systems No new loads, only new monitoring circuits are allowed Equipment listed for continuous use at 100% of its rating is not considered ESS must be paired with new PV May install only 1 racking system model Height of rooftop conduit > = 7/8" Flat plate PV modules only Structural Detached one- and two-family dwellings and townhomes not more than three stories above grade plane in height with a separate means of egress Accessory structures to one- and two-family dwellings and townhomes not more than three stories above grade plane in height Penetrations within 4 ft of the fire-rated property line on the roof of a townhome shall not be permitted. Installations in multi-family structures or R-2 occupancies shall not be permitted. Installations on mobile homes governed by Heath and Safety Code and/or Housing and Urban Development regulations shall not be permitted. The project must comply with the applicable International Residential Code PV system + hardware weight is less than or equal to 4.0 psf No ground mounted systems No carports or non-permanent structures No modifications, alterations, or upgrades to the structure At least 20% of each tilt-up mounted array must be contained under 2 feet above the roof The new system must be installed on a permitted structure ESS must be less than 400lbs and its center of mass shall be located less than 4ft from the floor in high seismic areas (Seismic Design Category D,E,F) No wood shake or wood shingle roofing allowed with a new rooftop PV system Limit of 10" above the roof for flush mount PV arrays on pitched (>2/12) roof surfaces Metal roof or low-slope roof installations in areas with > 15psf snow load are not supported Fire Page 1/2 Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™Page 47/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod) SolarAPP PV+ST Eligibility 10/29/2024 The project must comply with the applicable International Residential Code ESS shall not be installed within the habitable space of a dwelling unit. Powered by TCPDF (www.tcpdf.org) Page 2/2 Powered by TCPDF (www.tcpdf.org) Approval ID: SA20241227-7142-109-2-A Reviewed for Code compliance 12-27-2024 SolarAPP+™ Page 48/48 NEC 2020 IRC 2021 PV+ST (v2.7.0-1733912986 - prod)