Compliance Hub
The authoritative reference on California EV charger Weights & Measures compliance, regulatory requirements, and certification standards.

Why Compliance Matters
EV charger certification is not just regulatory compliance. It protects your customers, your business, and California's clean energy transition. Accurate measurement builds trust.
ChargeScale EV ensures your charging infrastructure meets California standards, protecting you from liability and enforcement action.
Key Regulations & Standards

Key Compliance Points
Certification Required
All commercial EV chargers that bill by kWh must be certified by a CDFA-registered RSA before placed in service.
AB 2037 Impact
Public agencies operating EV chargers are now subject to county sealer jurisdiction and must comply with Weights and Measures standards.
Accuracy Standards
Strict accuracy tolerances apply: ±1% for Level 2 AC, ±2.5% for DC fast chargers. Regular recertification required.
Have Questions?
Check out our comprehensive FAQ page for answers to common questions about EV charger certification, compliance, and the certification process.
Visit FAQ →