Open Smart Charging Protocol (OSCP)

The Open Smart Charging Protocol (OSCP) is an open communication protocol designed to facilitate the interaction between charge point management systems and energy management systems or Distribution System Operators (DSOs). It provides a 24-hour forecast of grid capacity to ensure that electric vehicle (EV) charging is managed within the available electrical capacity, preventing grid overloads.

OSCP enables smart charging by allowing a charge point operator to receive and adjust EV charging profiles based on the predicted capacity of the electrical grid. By communicating a 24-hour forecast of available grid capacity from the DSO or site owner to the charge spot operator, OSCP ensures that EV charging sessions are aligned with the grid’s ability to supply power. This protocol aims to optimise energy usage, balancing the demand from EVs with the overall grid capacity to avoid overburdening the electrical infrastructure. 

The protocol’s second version, OSCP 2.0, released in 2020, introduced more generic terms to support a broader range of energy management applications beyond just EVs, such as integrating with PV systems, stationary batteries, and heat pumps. It also switched to using JSON/REST for communication and added additional types of forecasts and error reporting mechanisms. OSCP’s open nature encourages widespread adoption and collaborative development, contributing to the efficient management of energy resources and supporting the integration of EVs into larger energy ecosystems.

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