[{"data":1,"prerenderedAt":88},["ShallowReactive",2],{"guide-electrical-panel-upgrade-en-US":3},{"guide":4,"related":70},{"title":5,"seoTitle":6,"description":7,"summary":8,"sections":9,"faq":36,"cta":43,"date":45,"updated":46,"service":47,"order":48,"sources":49,"slug":68,"locale":69},"Electrical panel and service upgrades for NYC and Long Island homes","Electrical Panel Upgrade, NYC & LI","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.","If breakers trip often, you still have fuses, or you are adding an EV charger, heat pump or new kitchen, check your panel and service size first. A panel replacement is often completed in one day; a service upgrade also depends on the utility's schedule.",[10,18,23,32],{"heading":11,"list":12},"Signs you need an upgrade",[13,14,15,16,17],"Breakers trip or fuses blow when appliances run together","The panel feels warm, buzzes or shows rust or scorch marks","You have 60 or 100 amp service and plan to add large loads","An older panel brand that inspectors or insurers have flagged; Federal Pacific, Zinsco and Challenger panels are replaced regardless of capacity","Too few spaces for new circuits",{"heading":19,"paragraphs":20},"Panel replacement versus service upgrade",[21,22],"A panel replacement keeps the same service size and replaces the breaker box. A service upgrade, for example from 100 to 200 amps, also replaces the service entrance cable and meter pan and usually the grounding electrode system (the water-pipe bond and ground rods). In NYC, [Con Edison issues a service layout](https:\u002F\u002Fwww.coned.com\u002Fen\u002Fsmall-medium-size-businesses\u002Fbuilding-project-center\u002Fgas-and-electric-service-update-guide) before the meter equipment is ordered, and even a panel replacement on the same service requires notifying Con Edison before the meter seal is cut.","[A load calculation](\u002Fguides\u002Fny-electrical-service-size-100a-200a), which totals your existing and planned electrical loads, determines which one you need.",{"heading":24,"list":25},"The process",[26,27,28,29,30,31],"Site visit and load calculation","Written estimate","[Electrical permit](https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fproperty-or-business-owner\u002Felectrical-permit.page) filed by a licensed master electrician; in NYC the work is inspected under the [2025 NYC Electrical Code](https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fcodes\u002Felectrical-code.page), based on the 2020 NEC","[Utility application for service upgrades](https:\u002F\u002Fwww.psegliny.com\u002Fen\u002Fbuildingrenovationservices\u002Fupgradeorchangeservice) (Con Edison or PSEG Long Island)","Installation, usually with a short power shutdown","Inspection and, for service upgrades, utility reconnection",{"heading":33,"paragraphs":34},"Timing",[35],"A panel replacement alone is often finished in one day once the permit is in place. Service upgrades take longer because the utility has to schedule its part, which can take weeks. Plan ahead if you are [adding an EV charger](\u002Fguides\u002Fev-charger-installation) or heat pump.",[37,40],{"q":38,"a":39},"Will I lose power during the work?","Yes, for part of the day. The shutdown is planned with you in advance, and on most panel jobs power is restored the same day.",{"q":41,"a":42},"Do I need a permit to replace a panel?","Yes. Panel and service work needs an electrical permit and an inspection in NYC and on Long Island.",{"text":44},"Send photos of your electrical panel with the door open and of your meter, your most recent electric bill, and any large loads you plan to add. You receive, at no charge, a written estimate with [a panel replacement and a service upgrade](\u002Fservices\u002Felectrical) priced side by side where both apply. The load calculation is provided as part of the contracted work or as a paid consultation.","2026-10-24","2026-10-25","electrical",2,[50,54,58,62,65],{"title":51,"url":52,"publisher":53},"Electrical Permit","https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fproperty-or-business-owner\u002Felectrical-permit.page","NYC Department of Buildings",{"title":55,"url":56,"publisher":57},"Gas and Electric Service Update Guide","https:\u002F\u002Fwww.coned.com\u002Fen\u002Fsmall-medium-size-businesses\u002Fbuilding-project-center\u002Fgas-and-electric-service-update-guide","Con Edison",{"title":59,"url":60,"publisher":61},"Upgrade or Change Service","https:\u002F\u002Fwww.psegliny.com\u002Fen\u002Fbuildingrenovationservices\u002Fupgradeorchangeservice","PSEG Long Island",{"title":63,"url":64,"publisher":61},"Codes & Specs for Electric Installation","https:\u002F\u002Fwww.psegliny.com\u002Fen\u002Fbuildingrenovationservices\u002Fcodesandstandards",{"title":66,"url":67,"publisher":53},"Electrical Code","https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fcodes\u002Felectrical-code.page","electrical-panel-upgrade","en-US",[71,75,79,83],{"slug":72,"title":73,"description":74,"service":47,"date":45,"updated":46},"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.",{"slug":76,"title":77,"description":78,"service":47,"date":46,"updated":46},"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":80,"title":81,"description":82,"service":47,"date":46,"updated":46},"bidirectional-charging-ready-renovation","Wiring a renovation for bidirectional EV 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.",{"slug":84,"title":85,"description":86,"service":47,"date":46,"updated":87},"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",1793066395293]