December 2, 2024
Author: Tayna LaPierre
It’s official—I’ve completed my first 30 days as EVSE Product Manager at TESCO Metering! This milestone has been both exciting and enlightening as I dive headfirst into the complexities of EVSE testing, legislation, and the growing electric vehicle industry. While I’ve learned a lot, I’m finding that every answer sparks new questions, and I’m eager to keep digging deeper.
With the rapid growth of electric vehicles and charging infrastructure, the importance of accurate billing at EVSE stations cannot be overstated. Standards like NIST Handbook 44 and California’s CTEP certification ensure devices are designed and tested for billing accuracy, with tolerances set at ±1% for AC chargers and ±1%–±2.5% for DC fast chargers. But are stations living up to these standards?
Here’s the challenge:
While the standards are clear, public testing outcomes remain limited. This isn’t necessarily due to a lack of effort, but rather the time it takes for state and local districts to align their budgets, train staff, and procure the right equipment. Establishing the testing structures necessary to meet active legislation, like the upcoming HB 44 requirements, is no small task. For many agencies, compliance testing is still in its early stages of prioritization, leaving a gap between regulations and readiness.
This gap presents both a challenge and an opportunity. For consumers, it means they may not yet have the assurances they deserve that every EVSE station is accurate and fair. For industry players, it highlights the need for tools, expertise, and collaboration to help regulators and service providers rise to the challenge.
The TESCO Solution:
At TESCO Metering, our patented EVSE Test Equipment is designed to fill that gap. By enabling precise and reliable accuracy testing in real-world conditions, our tools empower regulators, manufacturers, and service providers to meet compliance requirements, build consumer trust, and support the integrity of the EV ecosystem.
As I reflect on my first 30 days in this role, I’m struck by how much there is to learn—and how vital this work is shaping the future of EV charging. Achieving consistency and transparency in EVSE accuracy testing will take time, but it’s an effort worth making. Together, we can ensure that every kilowatt counts.
I’d love to hear your thoughts. Are you seeing similar challenges in your region? Let’s connect and work toward solutions.
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