[{"data":1,"prerenderedAt":83},["ShallowReactive",2],{"guide-electrical-panel-upgrade-en-US":3},{"guide":4,"related":64},{"title":5,"seoTitle":6,"description":7,"summary":8,"sections":9,"faq":36,"date":43,"service":44,"order":45,"sources":46,"slug":62,"locale":63},"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","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 changes the wires from the utility, the meter equipment and often the grounding.","A load calculation, 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 filed by a licensed master electrician","Utility application for service upgrades (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 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.","2026-10-24","electrical",2,[47,51,55,59],{"title":48,"url":49,"publisher":50},"Electrical Permit","https:\u002F\u002Fwww.nyc.gov\u002Fsite\u002Fbuildings\u002Fproperty-or-business-owner\u002Felectrical-permit.page","NYC Department of Buildings",{"title":52,"url":53,"publisher":54},"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":56,"url":57,"publisher":58},"Upgrade or Change Service","https:\u002F\u002Fwww.psegliny.com\u002Fen\u002Fbuildingrenovationservices\u002Fupgradeorchangeservice","PSEG Long Island",{"title":60,"url":61,"publisher":58},"Codes & Specs for Electric Installation","https:\u002F\u002Fwww.psegliny.com\u002Fen\u002Fbuildingrenovationservices\u002Fcodesandstandards","electrical-panel-upgrade","en-US",[65,69,75,79],{"slug":66,"title":67,"description":68,"service":44,"date":43},"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":70,"title":71,"description":72,"service":73,"date":74},"ev-charging-without-service-upgrade","EV charging without an expensive service upgrade","Load sharing, CT-clamp load management, dryer-outlet sharing and right-sized chargers: ways to add EV charging in NYC and Long Island without upgrading your electrical service.","ev-charging","2026-10-25",{"slug":76,"title":77,"description":78,"service":73,"date":43},"ev-charger-installation","Installing a home EV charger in NYC or Long Island","Level 1 vs Level 2 charging, panel capacity, permits, Tesla Powershare, and what to know for houses and buildings in NYC and Long Island.",{"slug":80,"title":81,"description":82,"service":73,"date":43},"tesla-powershare-home-backup","Using Tesla Powershare as home backup power","What a Tesla Powershare vehicle-to-home (V2H) backup setup needs, how it differs from a regular EV charger, and the permits involved in NYC and Long Island.",1792924277947]