Dirty Electricity

Dirty electricity refers to high-frequency voltage transients and harmonic distortions that ride on top of the standard 60 Hz (or 50 Hz) waveform of household electrical wiring. The cleaner sinusoidal AC power that ideally comes from utilities can be polluted by various sources, creating electrical "noise" that some researchers and wellness advocates believe may have biological effects.

Sources of dirty electricity:

Switching power supplies in computers, LED lighting, phone chargers, and modern electronics that convert AC to DC. The switching process generates high-frequency harmonics.

Solar inverters that convert DC from panels to AC for grid synchronization.

Variable-speed motors and dimmer switches that chop the AC waveform.

Powerline communication systems (including some smart meter implementations).

Older or improperly grounded electrical infrastructure that allows transients to propagate.

How dirty electricity is measured:

Specialized meters (like the Stetzer or Greenwave models) measure voltage transients in specific frequency ranges, typically 4-150 kHz. Readings are reported in millivolts or in proprietary units like "GS units" depending on the meter brand.

Typical measurements:

Rural areas with minimal electronics: low transient levels.

Modern urban homes with extensive electronics and LED lighting: moderate to high transient levels.

Homes near commercial or industrial facilities: variable depending on local infrastructure.

Whether dirty electricity affects health:

A small number of studies have examined associations between dirty electricity exposure and symptoms like headaches, fatigue, sleep disturbance, and cognitive issues. Results are mixed and methodologically limited.

The biological mechanisms are unclear. The voltage levels involved are far below thresholds known to cause direct nerve stimulation or tissue damage. Proposed effects on cellular signaling or autonomic nervous system function are speculative.

Mainstream medical and electrical engineering organizations don't generally recognize dirty electricity as an established health concern. The concept appears more frequently in alternative health discussions and EMF-focused communities than in peer-reviewed medical literature.

Relationship to grounding products:

Some grounding product marketing references dirty electricity as a problem that grounding helps mitigate. The technical relationship is that grounding can reduce body voltage from various electrical field exposures, but doesn't specifically filter dirty electricity from your home's wiring.

Filtering dirty electricity (if you decide it matters for you) requires plug-in filters designed for that purpose, which are different products from grounding sheets. Buyers should treat the two as separate concerns rather than assuming a grounding sheet addresses both.

Related terms: EMF, induced AC voltage, body voltage.