Federal Way Electrical Panel & Service Upgrades — 100 to 200A

Name: Kanon Electric Inc
Address: 1420 Meridian Ave E Suite 5, Milton, WA 98354, USA, Milton, WA, 98354, US
Telephone: (253) 200-4670

Estimated Read Time: 11 minutes

Thinking about how to upgrade electrical service from 100 to 200 amps? You are likely running out of capacity, or you want room for EV charging, a hot tub, or a remodel. This guide explains the safest path, from permits and utility coordination to panel choices and installation day steps. We also flag unsafe panels like Federal Pacific and Zinsco, and share Tacoma area insights to help you plan with confidence.

Why Homeowners Upgrade From 100 to 200 Amps

A 100 amp service was common decades ago. Today’s homes draw more power from HVAC, EV chargers, induction ranges, hot tubs, home offices, and shop tools. A 200 amp service adds headroom and stability so large loads can run together without nuisance tripping.

Signs you are due for an upgrade:

Frequent breaker trips when major appliances run.
Dimming or flickering lights during motor starts.
Limited breaker space or reliance on tandem breakers.
Burning smells, scorch marks, or warm panel cover.
Age 15 to 30 years or more, or a panel brand flagged for safety issues.

A larger service is not just about more power. It also supports modern protection like AFCI and GFCI devices, whole-home surge protection, and dedicated circuits for sensitive electronics. In the Tacoma area, many 1950s to 1980s homes still have undersized services. Planning the upgrade before a renovation prevents costly do-overs and failed inspections.

Safety First: Permits, Inspections, and Code Basics

Upgrading service capacity is not a cosmetic change. It involves your service equipment, grounding, and the utility connection. In most South Sound jurisdictions you need an electrical permit and an inspection. The work also requires coordination with Tacoma Power or Puget Sound Energy for a scheduled disconnect and reconnect.

Important safety facts:

Panels associated with Federal Pacific Electric or Zinsco have documented failure concerns. Replacing them is a safety priority.
Working clearances are required by code. The typical minimum is about 30 inches wide, 36 inches deep, and 78 inches high of clear space in front of the panel.
Grounding and bonding must be updated. A proper grounding electrode system is required for a service upgrade.
Lugs and terminations must be torqued to manufacturer specifications.

A licensed electrician will pull permits, prepare for utility coordination, and ensure all components are listed and rated for 200 amps. This is critical for homeowner safety and for insurance and warranty protection.

Planning the Upgrade: Load Calculation and Gear Selection

Before any installation, a professional completes a residential load calculation. The calculation evaluates your connected loads, square footage, and demand factors to confirm that 200 amps is appropriate and to plan circuit capacity.

Key planning steps:

Choose a 200 amp main panel with enough spaces for present and future circuits. Avoid filling it on day one.
Decide on surface mount vs flush mount and indoor vs outdoor location based on code and weather exposure.
Confirm a compatible 200 amp meter base, service mast, and service entrance conductors.
Review dedicated circuits for EV charging, heat pumps, kitchen appliances, and outbuildings.
Add whole-home surge protection and consider AFCI and GFCI upgrades for living areas, kitchens, baths, garages, and outdoors.

For South Hill or Puyallup homes, placement matters. Avoid panels in clothes closets and bathrooms and ensure a dry, accessible location with proper working clearance. Your electrician will also plan grounding to water pipe, ground rods, or other code-accepted electrodes, depending on your property.

Step-by-Step: What a Professional 200 Amp Upgrade Involves

Here is a typical sequence for a safe, code-compliant upgrade:

Site visit and load calculation. Document existing conditions, panel brand, service size, grounding, and conductor routes.
Permit application and utility scheduling. Coordinate a shutoff and reconnect window with Tacoma Power or PSE.
Prepare materials. 200 amp panel, meter base, service mast or lateral components, breakers, surge protector, bonding, and labeling.
Temporary power planning. For all-day outages, plan refrigerator protection, garage door access, and device charging.
De-energize and demo. Remove the old panel, meter base, and unsafe wiring methods.
Install the new meter base and service mast, then mount the 200 amp main panel with listed connectors.
Pull and terminate conductors. Upgrade grounding and bonding conductors and ensure proper labeling.
Torque all terminations to specification and verify working clearances.
Rough and final inspections. The authority having jurisdiction signs off and the utility reconnects service.
System test and homeowner walkthrough. Verify polarity, breaker labeling, GFCI and AFCI devices, and surge protection status.

Professional crews keep the outage as short as possible. Stocked trucks and advance planning often cut downtime to a single workday.

Timeline: How Long the Upgrade Takes and What To Expect

Lead time depends on permits, your utility’s scheduling, and any structural work. A typical schedule is:

Consultation and estimate: same day or within 48 hours.
Permits and utility scheduling: 3 to 10 business days depending on jurisdiction.
Installation day: 6 to 10 hours of power off for panel and service work.
Inspection and reconnect: usually same day if scheduled, otherwise next business day.

Homeowner prep list:

Clear access to the panel and meter area.
Secure pets and plan for refrigerator and aquarium needs.
Unplug sensitive electronics until surge protection is installed and verified.

Cost Factors and Financing Options

Every home is different, but several items influence price:

Service location. Overhead vs underground service changes labor and materials.
Panel placement. Relocations, drywall work, or masonry penetrations increase time.
Grounding upgrades. Bonding water and gas piping or driving new ground rods adds materials.
Load additions. Dedicated EV, hot tub, or shop circuits added during the upgrade affect the scope.
Permit and utility fees. Jurisdictional costs vary in Tacoma, Kent, and surrounding cities.

You can control cost by bundling future-ready items during the same visit. For example, installing the EV circuit and surge protection while the panel is open saves a return trip. Ask about financing. Many homeowners spread the upgrade cost over manageable payments and start using new capacity right away.

Replacing Unsafe or Obsolete Panels

Your home’s safety system is only as strong as its panel. Certain legacy brands, such as Federal Pacific Electric and Zinsco, are known for failure risks. Breakers in these panels may not trip reliably, which can allow overheating and fire hazards. If you have one of these or an older Stab-Lok style device, schedule an inspection soon.

Other red flags include:

Rust, corrosion, or water staining inside the enclosure.
Double-tapped breakers or oversized breakers.
Hot-to-the-touch panel cover or a humming sound.
Burning smell or visible arcing marks.

A modern 200 amp panel with listed breakers, clear labeling, and correct grounding restores your first line of defense against faults and short circuits.

Protection Upgrades That Pair Well With 200 Amps

A service upgrade is the perfect time to raise your safety and reliability:

Whole-home surge protection to protect HVAC, appliances, and electronics from utility and lightning events.
AFCI protection for living areas to mitigate arc faults caused by damaged cords or staples.
GFCI protection in kitchens, baths, garages, and outdoor circuits to reduce shock risk.
Dedicated circuits for EV charging, freezers, workshop tools, and home office gear.
Smart panel or energy monitor options for visibility into usage and load balancing.

These additions cost less and perform better when integrated during the service upgrade instead of as separate projects.

DIY vs Hiring a Licensed Electrician

Working on service equipment without a license is dangerous and can void insurance. The work requires a permit, adherence to the National Electrical Code, and coordination with your utility. Mistakes in conductor sizing, torque, or bonding are not always visible but can cause long-term hazards.

Hiring a licensed, bonded, and insured contractor gives you:

Code-compliant installation and documented inspections.
Warranty coverage and a safety-first process.
Faster outage windows from a prepared crew with stocked trucks.
Clear, upfront pricing and a walkthrough that explains your new system.

For most South Sound homeowners, the risk of DIY is not worth the potential cost of failure or fire.

Choosing the Right Contractor in the Tacoma Area

Look for a partner with deep local experience and a strong safety culture. Ask about background checks, drug testing, and training. Confirm they handle permits and utility coordination with Tacoma Power or Puget Sound Energy. Check for a BBB A+ rating, recent awards, and clear guarantees.

What sets a high-quality team apart:

Transparent pricing and scope in writing.
100% satisfaction guarantee.
Trucks stocked with thousands of parts for same-day completion.
Financing options and membership plans with priority service.

If you live in Tacoma, Kent, Federal Way, Auburn, Lakewood, Puyallup, or nearby, choose a company that knows local inspectors, soil conditions for ground rods, and common panel locations in area housing styles.

Maintenance After the Upgrade

Your new panel should last decades, but it still needs occasional attention.

Schedule a whole-house safety inspection every 1 to 2 years.
Keep the panel area clear to maintain working clearance.
Do not exceed breaker ratings and avoid tandem breakers unless the panel is listed for them.
If lights dim, breakers trip, or you notice heat or odor, call for service.

A maintenance plan can include surge protector checks, GFCI and AFCI testing, and a torque verification on main lugs per manufacturer recommendations. These small steps preserve reliability and safety for the long term.

Quick Answers to Common Upgrade Questions

Will my lights be off all day? Expect 6 to 10 hours off during installation. Many projects reconnect the same day if inspections are scheduled.
Do I need to upgrade my utility line too? Your electrician coordinates with the utility. If the drop or lateral needs upsizing, the utility will advise and schedule.
Can I add an EV charger later? Yes. Plan for it now by reserving panel spaces and installing conduit to the garage or driveway.
How do I know if my panel is unsafe? Federal Pacific and Zinsco panels, burning smells, warm covers, and frequent trips are red flags. Schedule an inspection.
What if my panel is in a closet? Relocation may be required. Your electrician will propose a code-compliant location with the required clearances.

Special Offer: Save on Your 200 Amp Upgrade

Save $103 on a panel or service upgrade. Use this limited-time offer before 2026-04-01. Restrictions may apply. Call the office for details.

Call (253) 200-4670 or schedule at https://kanonelectric.com/ and mention the $103 OFF Panel Upgrade.

What Homeowners Are Saying

"Nick preformed a total electrical upgrade for us, from panel, to outlets/switches, recessed lighting to fire/smoke/carbon monoxide alarms... He was quick to accommodate project scope change... always had the equipment/supplies he needed."
–Mary A., Electrical Upgrade

"Grant, Andrew and Solomon were great. Was two day job involving eight hour power outage... very flexible in doing work and instruction to us re use of panel and generator. High recommendation from us."
–Dave H., Panel and Generator Work

"Grant and his crew did a great job rewiring our whole house... Kanon Electric got our house up to code in just a couple weeks. Very impressed with their hard work, efficiency, and dedication!"
–Amy W., Whole-Home Rewire

"courteous, knowledgeable consultation"
–Bruce M., Panel Replacement

Frequently Asked Questions

How much does a 100 to 200 amp upgrade cost?

Pricing varies by panel location, overhead vs underground service, grounding updates, permits, and added circuits. Bundling EV or surge protection can save money. Request an onsite quote for a precise number.

How long does the power stay off during the upgrade?

Plan for 6 to 10 hours without power on installation day. If inspections are scheduled and pass, the utility typically reconnects service the same day.

Do I need a permit and inspection for a service upgrade?

Yes. Service upgrades require permits and inspections. Your electrician handles paperwork and coordinates the utility disconnect and reconnect.

Can my existing panel be reused for 200 amps?

Usually no. The panel, meter base, and service components must be listed and rated for 200 amps. Upgrading to a modern 200 amp panel is the safe route.

Are Federal Pacific and Zinsco panels really unsafe?

These brands are associated with breakers that may fail to trip. Many inspectors flag them. If you have one, schedule an inspection and consider replacement promptly.

Conclusion

Upgrading from 100 to 200 amps boosts safety, capacity, and future readiness for EVs, remodels, and modern appliances. In the Tacoma area, permits, inspections, and utility coordination are essential for a safe, code-compliant result. If you are comparing options for how to upgrade electrical service from 100 to 200 amps in Tacoma, Kent, Puyallup, or nearby, we are ready to help.

Ready to Upgrade? Call or Schedule Now

Call Kanon Electric Inc at (253) 200-4670
Book online at https://kanonelectric.com/
Limited-time coupon: Save $103 on a panel or service upgrade. Use before 2026-04-01. Restrictions may apply.

Get a same-day assessment, transparent pricing, and a safe, code-compliant 200 amp service for your home.

Kanon Electric Inc is a local, family-owned electrical company serving the South Sound since 2006. Our electricians are background-checked, drug-tested, and fully licensed, bonded, and insured. We offer upfront pricing, on-time arrivals, and a 100% Satisfaction Guarantee. With thousands of 5-star reviews and awards including BBB A+ rating and News Tribune Best Electrician, we deliver safe, code-compliant work. Our trucks are stocked to finish most jobs same day, and financing options are available.