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EV charger operating system manufacturer ChargeLab just launched OpenOCPP, a free and open-source software stack that could majorly simplify life for EV charger manufacturers.
OpenOCPP is the first hardware-agnostic, pre-certified embedded software stack supporting OCPP 1.6J and 2.0.1. In plain terms, it helps EV chargers speak the same language as charging station management systems (CSMS) – and it works across just about any hardware setup, from a lightweight ESP32 microcontroller to a full Linux embedded system.
Right now, most EV charger companies have to spend big on building and certifying their own firmware to support OCPP. That takes 18 to 24 months, slows down rollout, and clogs up innovation. With OpenOCPP, ChargeLab says the timeline shrinks to just a few weeks.
“We’ve designed an incredibly memory-efficient embedded software stack that can run on any underlying hardware,” said ChargeLab CTO Ehsan Mokthari, who also co-chairs the Open Charge Alliance’s OCPP 2.lite working group. “OpenOCPP also comes with enterprise-grade security pre-built, so manufacturers can get up and running quickly.”
ChargeLab is a member of the Open Charge Alliance (OCA), the group behind OCPP. OpenOCPP is being added to the OCA Validation Test Bed, which helps companies verify that their products conform to OCPP standards.
OpenOCPP brings a lot to the table for EV charger makers. It comes with built-in security that meets OCPP 2.0.1’s toughest standards. It doesn’t lock manufacturers into any one provider – it works with ChargeLab’s CSMS or any other backend that supports OCPP. It passes the OCA’s conformance test tool right out of the box and is ready for California’s CTEP requirements. It’s designed to run on microcontrollers with as little as 4MB of memory. And thanks to its modular design and open-source Apache 2.0 license, it’s ready for whatever OCPP throws at the industry next.
One company already using OpenOCPP is FractalEV, a North American Level 2 EV charger manufacturer. They’ve installed units using a beta version of the software across over 20 CSMS platforms.
“ChargeLab’s embedded software stack helped us launch faster,” said FractalEV founder Chris Mendes. “With OpenOCPP going open source, there is really no reason to look elsewhere for an OCPP communication stack.”
OpenOCPP is already running on over 4,000 chargers through manufacturer beta programs, many deployed by major corporate customers with tight cybersecurity standards. As OpenOCPP exits beta today, ChargeLab invites more manufacturers and developers to the project.
Read more: With a $30M raise, SparkCharge takes EV fleet charging off-grid
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