Electrical research and data
The two data sets that matter to a homeowner are fire statistics and cost benchmarks. ESFI reports roughly 51,000 home electrical fires a year in the US, nearly 500 deaths, over 1,400 injuries and $1.3 billion in property damage, with more than 28,000 of those fires caused by arcing faults. On cost, a 200-amp panel upgrade averages about $2,150 (range $1,300-$3,000) per This Old House, and a whole-house rewire runs $12,000-$36,600 per HomeGuide.
Read the fire numbers as scale, not as personal probability. Roughly 51,000 incidents a year across well over a hundred million housing units is a serious national problem and a small annual risk to any one home. It justifies AFCI protection, GFCI testing and permitted work. It does not justify accepting a five-figure quote under time pressure.
The arcing-fault figure is the most decision-relevant one: over 28,000 residential fires annually and more than $700 million in property damage, per ESFI. That is the specific failure mode AFCI devices address, at roughly $35-$60 per breaker per This Old House. Very few home safety spends have that ratio.
ESFI also cites CPSC data on receptacles being involved in around 5,300 fires annually, causing roughly forty deaths and over a hundred injuries - the reason discolored or warm outlets deserve attention rather than a wait-and-see.
On cost, use published ranges as a sanity check on the quotes in front of you, not as a target price. Regional labor rates, utility involvement and access drive real variance. A quote outside the published range is not automatically wrong - but it is a question worth asking out loud.
Choosing electrical what the data says
The judgement calls that decide the bill, before anyone quotes you.
- Use national figures for scale, local quotes for price Cost data tells you whether a quote is unusual. It does not tell you what your job should cost.
- Prefer primary and industry sources NFPA, CPSC and ESFI for safety; established cost guides for price. Contractor blogs citing each other are not evidence.
- Check the year on any statistic Fire and cost data lag. A figure without a year or a source is not usable.
- Weight the arcing-fault number It is the statistic most directly connected to a cheap, available mitigation.
- Do not let statistics substitute for a diagnosis National fire data is not evidence that your specific panel is failing. An inspection is.
All electrical research
Electrical Upgrade Index by Metro
Panel Cost Benchmarks
Outdated Panel Risk Report
NEC Adoption by State Tracker
Home Electrical Age Exposure Index
Electrification Load Demand Report
Regional Electrician Price Benchmarks
Where these figures come from
Sources last checked
- ESFI - Home Electrical Fires · retrieved 2026-07-25
- This Old House - What Is the Cost to Upgrade an Electrical Panel? · retrieved 2026-07-25
- Inch Calculator - Cost to Upgrade Electrical Panel, 2026 Price Guide · retrieved 2026-07-25
- HomeGuide - Cost to Replace Knob and Tube Wiring (2026) · retrieved 2026-07-25
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