There is no legal requirement for chargepoints in UK to be OCPP compatible. The referenced link mentions nothing about this and the regulation does not include any mention of OCPP.
Charging station owners, or hosts, are less vulnerable to individual system suppliers – if a charging station manufacturer ceased to exist, the host could switch to another OCPP-based network. Giving charging station customers choice and flexibility to use any network on any chargecharging station would, through market forces, encourage charging station manufacturers and network providers to compete on price, service, product features, and innovation – all of which encourages demand by chargecharging station owners. The end result is a significant benefit to EV drivers as the charging station infrastructure expands.<ref name="switchev1">{{cite web |url=http://infrastructure.switchev.co.uk/infrastructure-development-and-operation/network-operation/open-charge-point-protocol |archive-url=https://web.archive.org/web/20120621140719/http://infrastructure.switchev.co.uk/infrastructure-development-and-operation/network-operation/open-charge-point-protocol |url-status=dead |archive-date=2012-06-21 |title=Open Charge Point Protocol OCPP |publisher=Infrastructure.switchev.co.uk |accessdate=2013-10-12 }}</ref><ref>{{cite web|url=http://www.energy.ca.gov/2013-ALT-01/documents/2013-08-15_workshop/presentations/EVConnect_Response_to_Workshop_Questions.pdf |title=EVConnect |publisher=Energy.ca.gov |accessdate=2013-10-12}}</ref>
OCPP also makes it easier to create a large-scale, visible network that uses a range of different charging stations since there is a requirement for only one operating system. Proponents of OCPP also cite a reduction in development costs since software designed to provide additional functionality would only need to be developed once and not several times to fit with each individual operating system. OCPP will also ease interoperability across the United States, and elsewhere, and minimize remedial work on systems.<ref name="switchev1"/>
The security part of OCPP defines an end-to-end security design architecture, with implementation guidelines for both charging stations and Central Management System. It was first introduced in 2018 and now is in its third revision. Correct implementation of the OCPP Security guidelines can protect against some of the more common attack scenarios including server hijack, communications eavesdropping and chargecharging station impersonation.<ref>{{Cite web |date=2022-10-17 |title=Open Charge Point Protocol (OCPP) Security Explained |url=https://wevo.energy/white-paper/open-charge-point-protocol-ocpp-security-explained/ |access-date=2022-10-17 |website=WEVO |language=en-US}}</ref>
== OCPP Certification Process ==
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To date, OCPP is not as highly adopted in the U.S. among other vendors because the U.S. market came into being largely through a number of large [[United States Department of Energy|U.S. Department of Energy (DOE)]] grants that let the network provider choose their protocol.
The U.S. Department of Energy made chargecharging station network interoperability a priority in 2013 by launching a new center that will work to ensure that vehicles, charging stations, communications and networking systems work in unison with the electric grid. The Electric Vehicle-Smart Grid Interoperability Center, located at [[Argonne National Laboratory]] just outside Chicago, works to harmonize emerging EV and [[Smart grid|smart grid technologies]].<ref>{{cite web|url=http://energy.gov/articles/energy-department-partners-eu-electric-vehicle-and-smart-grid-coordination |title=Energy Department Partners with EU on Electric Vehicle and Smart Grid Coordination | Department of Energy |publisher=Energy.gov |date=2013-07-19 |accessdate=2013-10-12}}</ref>
