Outdated Codes Push $3,500 Panel Upgrades Though 98% of 100A Homes Can Add Appliances
Updated
Updated · The Washington Post · Nov 9
Outdated Codes Push $3,500 Panel Upgrades Though 98% of 100A Homes Can Add Appliances
2 articles · Updated · The Washington Post · Nov 9
Summary
A median $3,500 electrical-panel upgrade is often being recommended unnecessarily when homeowners add induction stoves, heat pumps or EV chargers, raising costs enough to derail electrification projects.
One 2026 report found 98% of homes with 100-amp panels can accommodate popular electric devices, while usage-based calculations run about 40% below label-based estimates that contractors more commonly use.
The National Electrical Code has been revised to reflect newer data, but only six states have adopted the latest version, and older rules and entrenched industry habits still shape what electricians tell customers.
Real-world studies reinforce the gap: HomeIntel found 86% of 22,000 Northern California homes stayed under 50A at peak use, though some electricians still argue the code understates practical household loads.
That mismatch matters because nearly 1 in 3 U.S. homes have 100A panels—especially older homes in colder states—making panel policy a key bottleneck for broader home electrification.