What Is Open Charging Level Protocol (OCPP)?

What Is Open Charging Level Protocol (OCPP)?


It’s uncommon that one thing is totally useful. Often, new expertise comes with prices that deter individuals from adopting it. However within the case of Open Cost Level Protocol (OCPP), we’ve got a win-win. It makes it straightforward to arrange massive networks of charging stations and straightforward for charging station house owners to adapt if a supplier goes out of enterprise or there’s an emergency, and it may lower costs throughout the board.

What Is OCPP?

OCPP is an utility protocol that permits communication between electrical car (EV) charging stations and their central administration system. Put merely, an utility protocol is a construction that permits vastly completely different applications to work together with one another — like cell telephones and your good fridge, or your Bluetooth speaker and your laptop computer. Consider it like a translation program — it interprets messages from one machine or program right into a type {that a} completely different one will perceive and be capable of work with.

Significance of OCPP

There are over 700 programming languages. And inside every machine you can be programming for, there may very well be proprietary restrictions, quirks of particular person firms and programmers, and hardware-specific inputs that rapidly trigger the variety of variations to balloon uncontrolled. Give it some thought like a worldwide convention of assorted professionals. Between the completely different languages, the completely different dialects of every language and the phrases particular to every occupation, it may really feel like being on the Tower of Babel.

It’s worse with computer systems. People can infer and interpret that means. Computer systems and applications want particular directions to do what we wish them to do. Their duties could seem easy on the floor, however there’s a whole lot of complexity beneath. Software protocols are what enable your iPhone to connect with play Pandora by your Sony Bluetooth speaker simply as simply as your pal’s Android can play Spotify by their JBL headphones. Software protocols present widespread floor.

How Does This Relate to EV Charging?

EV charging areas are advanced techniques that, particularly exterior of the U.S., usually are available in two components: the charging station itself and the central administration system that controls voltage, output and any variety of different elements relying upon the system. These two components may very well be made by numerous distributors, a few of which can present solely the station or the administration system.

To ensure that charging stations to operate alongside administration techniques from completely different distributors, you want an utility protocol that interprets no matter proprietary instruments every program makes use of right into a type the others can perceive. That’s the objective of OCPPl: to offer a method for various EV charging stations to speak with completely different central administration techniques. 

What About OCPP, Then?

OCPP is a undertaking of ElaadNL within the Netherlands. The unique model was written by Joury de Reuver and Frank Buve round 2013. Since then, it has grow to be one of many gold requirements for EV charging station utility protocols. Its extensive adoption could have one thing to do with each its prime quality and the truth that it’s free to make use of, that means that adopting it incurs little or no further overhead.

Actually, as of 2019, both OCPP or one other comparable utility protocol is required within the UK for brand spanking new cost factors. 

Advantages of OCPP

As talked about, OCPP permits charging stations to speak with administration techniques from completely different distributors. Whereas this appears like a small element, the results for shoppers and charging station house owners are enormous.

On a floor stage, it signifies that house owners of charging stations are now not on the mercy of their suppliers. They’ll combine and match charging stations and administration techniques as wanted, giving them selection and adaptability and inspiring producers and community suppliers to compete on components that really depend for his or her customers — worth, options, high quality and repair. This flexibility isn’t simply good from a shopper angle; it additionally signifies that if a vendor goes out of enterprise or an emergency takes some stations out of fee, charging station house owners can rapidly pivot and adapt with out worrying about compatibility.

The most important advantages are seen whenever you start to scale issues up. The power to combine and match in response to circumstances, figuring out that OCPP will guarantee compatibility, makes it a lot simpler for suppliers to create large-scale, seen charging networks. In any case, they solely want to fret about one working system. The remaining they’ll piece collectively as they want.

Give it some thought just like the mortar that holds the bricks of a home collectively. With it, you possibly can develop as wanted as a result of this single part permits the remainder to suit along with ease.

A Recap

OCPP is a program that vastly will increase compatibility between completely different charging stations and their central administration techniques. The outcomes, for charging station house owners, embody the next:

  • Elevated flexibility

  • Higher pricing, options, high quality and repair

  • Potential to combine and match stations, and rapidly pivot if emergencies or outages require you to rapidly get a brand new station

  • Potential to adapt if a supplier goes out of enterprise

  • Elevated ease of organising large-scale, seen networks

Embracing OCPP

The one actual downsides are to some U.S. suppliers who had used the dearth of compatibility to pressure prospects to make use of each their administration system and their charging stations or nothing in any respect. However for the remainder of us, it looks like there’s little motive not to undertake OCPP. That’s one of many causes that if you happen to’re on the lookout for charging infrastructure, you must contemplate EV Join. In any case, we’re an open community resolution!


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OSI Mannequin – Software Layer


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December 2022