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{{Short description|Protocol for managing EV charging stations}}
The Open Charge Point Protocol (OCPP) is an [[application protocol]] for communication between [[electric vehicle (EV) charging stations]] and a central management system, also known as a charging station network. It is comparable to communication between cell phones and cell phone networks. The original version of OCPP was developed by
OCPP is used by a large number of vendors of EV charging stations and central management systems globally.<ref name="auto2">{{cite web | url=https://openchargealliance.org/participants/ | title=Participants }}</ref> As of January 2025, OCPP had been downloaded in 137 countries. The latest version, OCPP 2.1, was released in January 2025. This version includes features such as Distributed Energy Resource (DER) control and Vehicle-to-Grid (V2G) capabilities, and is backwards compatible with OCPP 2.0.1.<ref
In late 2024, OCPP 2.0.1 Edition 3 was accepted by the [[International Electrotechnical Commission|International Electrotechnical Commission (IEC)]]
as IEC standard ==History==
OCPP was designed in 2009 at the request of the ElaadNL foundation, founded by Dutch distribution system operators (DSOs).<ref
The technical design and specifications were developed by Joury de Reuver, Franc Buve, and others. The goal was to create a protocol that enables communication between EV charging stations and central management systems from different vendors.
The first version of OCPP was published by ElaadNL in 2010 as an open-source standard. <ref>{{cite web | url=https://openchargealliance.org/about-us/discover-our-history | title=Discover our history }}</ref> This was followed by OCPP 1.5 in 2012, and then OCPP 1.6 in 2015, which introduced new features such as JSON, SOAP, and Smart Charging.<ref
With growing adoption, ElaadNL transferred the stewardship of OCPP to the Open Charge Alliance (OCA), which it co-founded with ESB (Ireland) and Greenlots (USA).<ref>{{cite web | url=https://openchargealliance.org/about-us/discover-our-history// | title=Discover our history }}</ref>
In 2018, OCPP 2.0 was released. Due to its comprehensive overhaul, it is not backward compatible with earlier versions. In 2019, OCA launched an OCPP 1.6 certification program, followed by OCPP 2.0.1 certification in 2023.
<ref>{{cite web | url=https://openchargealliance.org/certificationocpp/ | title=Certification }}</ref>
==Objectives==
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==Certification==
The OCA operates an independent certification program to ensure compliance with the OCPP specification. Certification is available for OCPP 1.6 (since 2019) and OCPP 2.0.1 (since 2023). Certification labs appointed by OCA conduct the testing.<ref>{{cite web | url=https://openchargealliance.org/testing-laboratories/ | title=Testing laboratories }}</ref>
==Adoption==
===United States===
In the U.S., OCPP adoption has increased since the Federal Highway Administration required its use (or an equivalent protocol) under the National Electric Vehicle Infrastructure (NEVI) Program.<ref>https://www.transportation.gov/bipartisan-infrastructure-law/regulations/2023-03500</ref>
<ref>{{cite web | url=https://bidenwhitehouse.archives.gov/briefing-room/statements-releases/2023/02/15/fact-sheet-biden-harris-administration-announces-new-standards-and-major-progress-for-a-made-in-america-national-network-of-electric-vehicle-chargers/ | title=FACT SHEET: Biden-Harris Administration Announces New Standards and Major Progress for a Made-in-America National Network of Electric Vehicle Chargers | date=15 February 2023 }}</ref>
The states New York <ref>{{cite web | url=https://jointutilitiesofny.org/ev/make-ready/ | title=EV Make-Ready Program | Joint Utilities }}</ref> and California <ref>{{cite web | url=https://calevip.org/ocpp-certification-process/ | title=OCPP Certification Process | CALeVIP }}</ref> require OCPP compliance for charging infrastructure funding.
[[The U.S. Department of Energy]] has supported interoperability efforts since 2013 through the EV-Smart Grid Interoperability Center at [[Argonne National Laboratory]].[17]
===Asia===
In South Korea, OCPP is widely used for charging station management. Its popularity is driven by the requirement for OCPP certification in order to receive public funding.<ref>{{cite web | url=https://www.ktc.re.kr/web_eunited/board/view_season_02.asp?pagen=2364&paging=5&sno=2853 | title=KTC }}</ref>
===Europe===
OCPP originated in Europe, and much of the
<ref>{{cite web | url=https://www.gov.uk/guidance/residential-chargepoints-minimum-technical-specification/ | title=Residential chargepoints: Minimum technical specification | date=2 August 2023 }}</ref>
==See also==
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[[Payment gateway]]
==References==
{{Reflist}}
==External links==
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