[{"data":1,"prerenderedAt":130},["ShallowReactive",2],{"guide-bidirectional-charging-ready-renovation-en-US":3},{"guide":4,"related":111},{"title":5,"seoTitle":6,"description":7,"summary":8,"sections":9,"faq":78,"cta":79,"date":81,"updated":81,"service":82,"order":83,"sources":84,"slug":109,"locale":110},"Wiring a renovation for bidirectional EV charging","Pre-Wire a Renovation for V2H Charging","Every V2H system is brand-specific in 2026. The conduit, panel space, backup subpanel and certifications to plan in a NYC or Long Island renovation.","In 2026 every vehicle-to-home system is tied to one automaker's equipment, so a renovation should not be planned around a particular bidirectional charger. The lasting investment is the infrastructure: conduit sized for a larger future circuit, panel space, room for a transfer device near the meter, a backup-loads subpanel and network cabling. Those work with whichever vehicle and system you choose later, and they cost far less while walls and ceilings are open.",[10,47,55,60,73],{"heading":11,"paragraphs":12,"table":14,"after":45},"No universal V2H charger exists",[13],"Each automaker that supports vehicle-to-home power specifies its own equipment. The main US options as of October 2026:",{"caption":15,"head":16,"rows":20},"Vehicle and required V2H equipment, October 2026",[17,18,19],"Vehicle","V2H equipment required","Points to confirm",[21,25,29,33,37,41],[22,23,24],"Tesla Cybertruck","Powershare Gateway with Universal Wall Connector, or Powerwall 3","Tesla equipment only",[26,27,28],"Tesla Model 3 and Model Y","Powerwall 3 with a Universal Wall Connector or Wall Connector (Gen 3)","Tesla states support for US vehicles ordered on or after October 1, 2026; confirm eligibility with Tesla",[30,31,32],"Chevrolet Silverado EV, GMC Sierra EV and other eligible GM models","GM Energy PowerShift Charger with V2H Enablement Kit","GM equipment only",[34,35,36],"Kia EV9","Wallbox Quasar 2 (bidirectional DC, CCS1) with Power Recovery Unit","Requires Kia Connect; the Power Recovery Unit was listed as not available for purchase in October 2026; some states excluded",[38,39,40],"Ford F-150 Lightning","Ford Charge Station Pro with Home Integration System","Production ended in 2025 and the Home Integration System is reported as discontinued; confirm support before buying used",[42,43,44],"Nissan Leaf (CHAdeMO models through 2025)","Fermata Energy FE-15 or dcbel Ara","Older CHAdeMO models only",[46],"Choosing the vehicle therefore fixes the V2H equipment. A GM truck cannot use a Tesla Gateway, and a Kia cannot use [a GM kit](https:\u002F\u002Fgmenergy.gm.com\u002F). Buying a bidirectional charger before the vehicle is a bet we advise against.",{"heading":48,"list":49},"Certifications that matter",[50,51,52,53,54],"[UL 9741](https:\u002F\u002Fwww.shopulstandards.com\u002FProductDetail.aspx?productId=UL9741): the safety standard for bidirectional EV power export equipment located outside the vehicle, up to 1,000 volts AC and 1,500 volts DC. Listed products appear under [UL product category FFTN](https:\u002F\u002Fiaeimagazine.org\u002Fcolumns\u002Ful-question-corner\u002Fdoes-ul-certify-list-electric-vehicle-ev-chargers-that-allow-an-ev-owner-to-back-feed-the-electrical-system-on-their-house-and-how-do-i-identify-one\u002F).","UL 1741 SB: the grid-support certification, used with IEEE 1547-2018, that utilities rely on when they review equipment for interconnection.","UL 1741 Supplement SC with SAE J3072: the path for AC bidirectional charging, in which the vehicle's onboard inverter exports power and the charger authorizes it. SAE J3072 was finalized in 2024, Supplement SC was issued in May 2026 and UL Solutions opened certification testing in September 2026. It is the likely route to lower-cost V2G.","NEC 625.48: charging equipment that exports power in an interactive system must be listed and marked as suitable for that purpose. The NYC Electrical Code, based on the 2020 NEC, contains the section; the electrician confirms any local amendments.","ISO 15118-20: the communication standard for DC bidirectional charging. [Federal NEVI rules](https:\u002F\u002Fwww.ecfr.gov\u002Fcurrent\u002Ftitle-23\u002Fchapter-I\u002Fsubchapter-G\u002Fpart-680) (23 CFR 680.108) require federally funded public chargers to have hardware capable of ISO 15118-2 and ISO 15118-20. No such rule applies to home chargers.",{"heading":56,"paragraphs":57},"Choosing the charger now",[58,59],"Vehicle first, charger second. If backup power matters, choose a vehicle whose automaker sells V2H in New York today and confirm the build date and state eligibility.","If you do not need V2H yet, buy an affordable, hardwired, [UL-listed Level 2 charger](\u002Fservices\u002Fev-charging) that is ENERGY STAR certified or on the EPRI Vetted Product List, which PSEG Long Island requires for its rebate. Choose a J3400 cable or a replaceable cable, and treat the unit as replaceable. Prefer chargers that support OCPP and connect by Wi-Fi or Ethernet, so that utility managed-charging programs can work with them. Do not pay extra for a charger marketed as V2G-ready unless it carries a UL 9741 or UL 1741 SC listing and approval from your vehicle's maker; without both there is no assurance it will ever export power from your car.",{"heading":61,"list":62,"after":70},"What to rough in while the walls are open",[63,64,65,66,67,68,69],"Conduit from the panel or service area to the parking space, sized for a future 100-amp circuit (an 80-amp charger) even if the first charger is 40 to 60 amps, with a pull string. The licensed electrician selects the size from conductor type, fill and run length.","Panel space: two reserved spaces for the EV circuit, and a planned location between the meter and the main panel for a transfer or interconnection device (a gateway, transfer switch or backup interface). Keep wall space near the meter clear.","A backup-loads subpanel grouping the refrigerator, heating controls, sump pump, network equipment and lighting, so that a future V2H system, generator or battery can supply it. A V2H source of 9.6 to 11.5 kW cannot run an entire house with central air or electric heat running.","Cat6 cabling to the charger location and to the future gateway location.","Solar coordination: the NEC 705.12 busbar rule (the 120 percent rule) limits how much generation the panel can accept, so EV, backup and solar plans are designed together.","A charger location in the garage with shade, ventilation and the manufacturer's required clearances. Kia, for example, requires a garage or carport with shade and ventilation for [its V2H equipment](https:\u002F\u002Fowners.kia.com\u002Fus\u002Fen\u002FkiaConnectStore\u002FvehicleToHome.html).","Electrical permits and inspections. Conduit, panel and subpanel work is permitted electrical work, filed by the licensed electrician as part of the renovation.",[71,72],"When a renovation already opens walls and ceilings, the rough-in costs a fraction of what it costs to open finished surfaces later. We write the conduit, panel planning, backup subpanel and low-voltage cabling into the renovation scope, coordinate them with any solar plans and install the charger once the vehicle is chosen. For the bidirectional equipment, we plan and install the electrical side and coordinate the manufacturer-certified installation where the system requires one. The electrical work is performed by licensed partner electricians.","In co-ops and condominiums, bidirectional charging is rarely practical without a dedicated service. For those buildings, the make-ready and Charge Ready NY programs described in [our guide to 2026 EV charging incentives](\u002Fguides\u002Fnyc-long-island-ev-charging-incentives-2026) are the better starting point.",{"heading":74,"paragraphs":75},"Approval paths, J3400 and ISO 15118-20",[76,77],"A system that disconnects the house from the grid before the vehicle supplies power is treated differently from one that exports while connected. Exporting systems go through the utility's interconnection review under the New York State Standardized Interconnection Requirements (SIR), which rely on IEEE 1547 and UL 1741 SB certified equipment. As of October 2026, how New York utilities will review backup-only bidirectional chargers is still under discussion in a state working group. We design for isolated backup first, which keeps approval simpler and leaves room for export later.","The vehicle inlet is [changing from CCS1 to J3400](https:\u002F\u002Fwww.sae.org\u002Fsite\u002Fnews\u002F2023\u002F12\u002Fsae-j3400-tir-released) across North America. The wiring is unaffected: the same circuit and conduit serve either connector, and a charger with a replaceable cable can follow the change. Communication protocols are a different matter. A charger can be upgraded to ISO 15118-20 by firmware only if it already has the necessary communication and security hardware, so ask the manufacturer for a written statement of ISO 15118-20 hardware capability. No one can promise that a vehicle or charger sold today will support V2G later. The wiring is the part of the decision that does not expire.",[],{"text":80},"Send the renovation drawings or scope, photos of your electrical panel and meter, and the car model if you have chosen one, for a written estimate for the conduit, panel and backup subpanel work for bidirectional charging within the renovation scope. [The load calculation](\u002Fguides\u002Fny-electrical-service-size-100a-200a) is provided as part of the contracted work or as a paid consultation.","2026-10-25","electrical",52,[85,89,93,97,101,105],{"title":86,"url":87,"publisher":88},"eCFR :: 23 CFR Part 680 -- National Electric Vehicle Infrastructure Standards and Requirements","https:\u002F\u002Fwww.ecfr.gov\u002Fcurrent\u002Ftitle-23\u002Fchapter-I\u002Fsubchapter-G\u002Fpart-680","U.S. Government Publishing Office",{"title":90,"url":91,"publisher":92},"UL 9741 | UL Standards & Engagement | UL Standard","https:\u002F\u002Fwww.shopulstandards.com\u002FProductDetail.aspx?productId=UL9741","UL Standards & Engagement",{"title":94,"url":95,"publisher":96},"Does UL Certify (List) electric vehicle (EV) chargers that allow an EV owner to back-feed the electrical system on their house and how do I identify one? – IAEI Magazine","https:\u002F\u002Fiaeimagazine.org\u002Fcolumns\u002Ful-question-corner\u002Fdoes-ul-certify-list-electric-vehicle-ev-chargers-that-allow-an-ev-owner-to-back-feed-the-electrical-system-on-their-house-and-how-do-i-identify-one\u002F","IAEI Magazine",{"title":98,"url":99,"publisher":100},"SAE completes TIR for J3400 standard","https:\u002F\u002Fwww.sae.org\u002Fsite\u002Fnews\u002F2023\u002F12\u002Fsae-j3400-tir-released","SAE International",{"title":102,"url":103,"publisher":104},"GM Energy | Home EV Charging, Energy Storage & V2H Solutions","https:\u002F\u002Fgmenergy.gm.com\u002F","GM Energy",{"title":106,"url":107,"publisher":108},"Vehicle to Home","https:\u002F\u002Fowners.kia.com\u002Fus\u002Fen\u002FkiaConnectStore\u002FvehicleToHome.html","Kia America","bidirectional-charging-ready-renovation","en-US",[112,117,121,125],{"slug":113,"title":114,"description":115,"service":82,"date":116,"updated":81},"nyc-renovation-permits","NYC permits for renovation, electrical and plumbing work","Which renovation, electrical and plumbing jobs need a NYC Department of Buildings permit, who files it, and what changes on Long Island.","2026-10-24",{"slug":118,"title":119,"description":120,"service":82,"date":116,"updated":81},"electrical-panel-upgrade","Electrical panel and service upgrades for NYC and Long Island homes","When an older NYC or Long Island home needs a new panel or a bigger electrical service, what the work involves, and how long it takes.",{"slug":122,"title":123,"description":124,"service":82,"date":81,"updated":81},"ny-electrical-service-size-100a-200a","When a New York home needs 200-amp service","Load calculations under NEC 220.83 and 220.87, when 100 amps still works, when 200 amps is needed, and the Con Edison and PSEG Long Island upgrade process.",{"slug":126,"title":127,"description":128,"service":82,"date":81,"updated":129},"business-continuity-new-location","Planning a new business location to stay open through an outage","Second internet path, generator or battery inlet with interlock, HVAC leak routing and peak shaving, planned during a NYC or Long Island build-out.","2026-10-26",1793066396867]