Free interactive tool

Build your panel.

Pick your rooms and appliances. We compute real demand against your service — see whether 100A holds, or 200A's in order. 30 seconds.

240V Service
60Hz Frequency
NEC 2023 Code base
CALIBRATED Live

What's in your home?

3
2

Your panel

Typical demand 138A of 200A
80%

Demand-adjusted — what your appliances actually pull when running together.

Fits

Your home needs a 200A panel with 19 circuits.

200A, 40-space panel · $5,000 – $12,000 (by PG&E drop distance)

Breakdown

CircuitBreakerTypical draw
Range / Oven 240V · double-pole50A22A
Refrigerator 120V · single-pole20A4A
Dishwasher 120V · single-pole20A10A
Microwave 120V · single-pole20A12A
Counter Outlets (GFCI) 120V · single-pole20A6A
Kitchen Lights 120V · single-pole15A5A
Bedroom 1 Lights 120V · single-pole15A3A
Bedroom 1 Outlets 120V · single-pole20A4A
Bedroom 2 Lights 120V · single-pole15A3A
Bedroom 2 Outlets 120V · single-pole20A4A
Bedroom 3 Lights 120V · single-pole15A3A
Bedroom 3 Outlets 120V · single-pole20A4A
Bathroom 1 GFCI Outlet 120V · single-pole20A6A
Bathroom 2 GFCI Outlet 120V · single-pole20A6A
Living Room Lights 120V · single-pole15A5A
Living Room Outlets 120V · single-pole20A5A
Dining Outlets 120V · single-pole20A4A
Washer 120V · single-pole20A10A
Electric Dryer 240V · double-pole30A22A
Total (19 circuits)138A
Note

This tool provides estimates based on typical residential loads. Actual load calculations depend on demand factors, wire sizing, and local code requirements. A licensed electrician can perform an exact NEC Article 220 analysis.

Next step

Get a free panel assessment.

Tell us about your setup. We'll follow up the same business day with real-tier pricing based on your PG&E drop distance.

01 / Your details

Calculator results attached automatically — we'll use them in our quote.

Or call (510) 221-8384
Call (510) 221-8384