A panel replacement and a service-capacity increase are different projects. An electrician should assess equipment condition and electrical demand before recommending an upgrade. An EV charger does not automatically mean you need a larger service.
Check Chandler’s current requirements
Chandler Building Safety publishes its adopted codes and permit guidance. Ask the contractor to check the current requirements for your address and scope, rather than relying on an old online checklist. Exterior equipment may also involve separate association requirements.
A proposal for an EV charger should identify the equipment, wiring route, permit responsibility and any wall repair. Compare those items before comparing the total price.
Start with the reason for the upgrade
Tell the contractor whether the concern is damaged equipment, a lack of circuit spaces or a new electrical load. Ask for an explanation of the existing service capacity and how the proposed work addresses your specific need. Panel age or an empty breaker position alone does not establish usable capacity.
Compare the options before changing the service
Depending on the assessment, the options may include replacing equipment, adding circuit space, managing an additional load or increasing service capacity. A subpanel creates distribution space; it does not by itself increase the capacity supplied to the property. Ask which alternatives are suitable for your home.
Compare the scope of your quote
- Panel replacement versus service increase
- Utility and meter equipment requirements
- Grounding, bonding and circuit corrections
- Access, permits and wall restoration
A contractor sets the price after reviewing the actual work. Ask about assessment fees, exclusions and approval of changes before booking. Compare proposals using the same scope.
Questions about electrical panel upgrades
Do I automatically need 200-amp service?
No. The appropriate service capacity depends on your home, existing loads and planned additions. Ask the contractor for an assessment rather than choosing a capacity from a generic rule.
Will a subpanel solve a capacity problem?
A subpanel can provide circuit positions but does not increase the service capacity. The contractor needs to check available electrical capacity as well as space.
Prepared by VoltWise AZ for homeowner planning. How we prepare this guidance.