2026年3月13日
This article provides a comprehensive guide to the California Type Evaluation Program (CTEP), the mandatory metrology gateway for entering California's commercial EV charging market. It details the critical differences between CTEP and the nationwide NTEP standard, while unpacking the four major technical hurdles manufacturers face: mandatory physical displays, hyper-accurate kWh metering, offline fault tolerance for disconnected billing, and prolonged field testing cycles. Finally, it introduces Charge Stack Studio's "Charge Bridge"—a synergistic hardware and software solution utilizing the OCPP protocol—designed to help CPOs bypass lengthy R&D cycles, rapidly secure their Certificate of Approval (COA), and successfully unlock the North American market.