Understanding electrical panel upgrade
The assessment may review existing service size, calculated load, meter and service equipment, circuit condition, utility coordination, and permit requirements. Do not assume that a larger panel alone increases the utility service capacity.
What to know before arranging the work
- Possible reasons for evaluation include adding an EV charger, heat pump, kitchen equipment, workshop load, or home addition; recurring capacity concerns; or aging equipment. The right solution depends on service capacity and the installation, not only on a desired amp rating.
- The assessment may review existing service size, calculated load, meter and service equipment, circuit condition, utility coordination, and permit requirements. Do not assume that a larger panel alone increases the utility service capacity.
- Costs vary with service capacity, equipment, rewiring, utility work, code-required corrections, permit fees, and wall or finish repairs. Request a scope that separates included work from potential extras.
Cost, scope, and expectations
Costs vary with service capacity, equipment, rewiring, utility work, code-required corrections, permit fees, and wall or finish repairs. Request a scope that separates included work from potential extras.
Before authorizing work, ask for the proposed scope, parts and equipment to be supplied, any diagnostic or call-out fee, permit and inspection responsibilities, expected scheduling, and the process for approving additional work. A phone conversation or website description cannot determine the condition of a particular installation.
Safety and professional assessment
Do not touch exposed wires, open a panel, bypass a breaker, or work on energized equipment. For smoke, fire, an electrical shock incident, or an immediate life-safety threat, move away and contact emergency services. For less urgent issues, stop using visibly damaged or suspect equipment where safe and explain the symptoms when contacting a qualified provider.
Frequently asked questions
Does every home need a 200-amp panel?
No. The appropriate service and panel depend on the home’s calculated load, existing installation, planned equipment, and applicable requirements.
Can I get an exact price from a short description?
Usually not. Price can depend on conditions that require inspection, testing, or verification. Ask whether a diagnostic fee applies and request a written scope.
What should I confirm before work begins?
Confirm who performs the work, relevant Washington credentials, coverage, permit responsibility, included materials, and how unexpected conditions will be handled.