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EV Charging Knowledge Bank

EO Charging

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EO: an overview

The beauty of EO's offering is that it is very simple, modular and scalable. The entry level eoMini is a 'dumb' charger providing an easy-to-use and cost-effective home charging. The eoBasic range is a ‘dumb’ charger which comes with a socket or a tethered cable. Its unique installation mechanism makes the unit super easy-to-fit and replace/upgrade if required. The eoGenius is a 'dumb but smart-ready' charger to which intelligence can be added as required via eoHUB, eoAPP and eoCloud. Because the 'intelligence' sits outside of the charger, the system can be scaled cost-effectively with 30 'dumb' chargers capable of being controlled by a single eoHUB.  The fact that the intelligence sits outside the charger is one of the key differences between EO and competitor chargers.

Using the eoGenius and eoHUB, it is possible to roll out EO's offering by adding more and more low cost 'dumb' chargers, leveraging the intelligence that sits in the eoHUB, and the software contained within the eoAPP and eoCloud. By siting the 'intelligence' outside the chargers, the system can be scaled at low cost, with one eoHUB controlling 30 chargers. Multiple eoHUBs can be viewed via a single account on eoCLOUD. Furthermore, by siting the intelligence centrally, software upgrades are simple.

The software currently provides energy usage monitoring, billing, payment, benefit-in-kind calculations, and active load management.  Payment for the software is via a modest annual subscription charge, payable for each charger managed.

EO has a vision to provide an integrated system combining EV charging with solar, battery storage and other devices with the 'smart-grid', enabling users to optimise use of solar PV, and keep grid import costs to a minimum. All of this functionality will be available to domestic and commercial users via the software, with upgrades available to existing users. 

EO is also leading the way in vehicle-to-grid charging.

eoMini

eoMINI datasheet

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eoMini is a compact wall-mounted single socket charger (Type 2 universal socket), designed for domestic properties. Designed for single phase (230V) connections, it can provide power at 16A / 3.6kW or 32A / 7.2kW.

It qualifies for the OLEV grant, and comes with a 3 year product warranty.

eoBasic and eoGenius

eoBasic Single Phase

eoBasic 3 Phase

eoGenius Single Phase

eoGenius Three Phase

 

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eoBasic

eoBasic charger is available in single phase (16A / 3.6kW or 32A / 7.2kW) and three phase (16A / 11kW or 32A / 22KW). Available as a Type 1 or Type 2 tethered charger (single phase), or as a Type 2 universal socket (single phase / 3 phase).

It qualifies for the OLEV grant, and comes with a 3 year product warranty. It can be wall-mounted or pole-mounted.

eoGenius

When the eoGenius is connected to an eoHUB it becomes a smart charger. The eoHUB is a small internet connected box that plugs into a Genius charger and puts it online, allowing remote connection to, and control of a charger via eoCLOUD and eoAPP (see below for available functionality).

One eoHUB can connect up to 30 Genius chargers, making installing multiple smart chargers super cost effective.

The eoHUB can be retro-fitted. So you can start with a low cost 'dumb' charger, and make it 'intelligent' if and when you are ready to upgrade.

eoHUB, eoCloud and eoAPP

eoHUB allows you to control your Genius chargers via eoCloud and eoAPP.

eoCloud

 

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eoCloud is EO's software platform, enabling online management of all of an operator's EO chargers.  Key functionality is as follows:

  • charge point registration;
  • access restriction to specific individuals;
  • remote monitoring;
  • billing and tariff management (set pricing, generate revenue);
  • link home and work charging to record benefit-in-kind tax;
  • reserve chargers for guests;
  • active load management (see below).

Note that at the moment eoCloud captures usage time but not kWh usage. The addition of an MID approved kWh meter will be possible from Q2 2018.  Settlement and invoicing is outside of eoCloud, based on usage data captured within eoCloud. In the near future it will integrate with the smart-grid, solar PV and battery storage; enabling our fleet customers to generate revenue from grid-services and reduce (potentially remove) the requirement for upgrading their power supply.

 

eoApp

 

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eoAPP is EO's smartphone app for charging. Key features are as follows:

  • start, stop and pay for chargers;
  • access to public EO chargers, use the app to find your nearest EO charger, simply scan the QR code on the side of the EO charger to authenticate charging;
  • monitoring of energy use, charging history reporting;
  • charge session notifications.

Generate revenue from your charger

The APP allows anyone to make their charger publicly available and generate revenue.  Note that unless a MID meter is installed, charging must be time-based, not kWh-based.

Active load management and smart charging

With EO's load management feature chargers can be set to charge only during off peak periods, or at an optimum time, as determined by EO's software.

EO’s system monitors the incoming supply of the building and turns the chargers up and down based on the building's power requirements, utilising CT clamps on the incoming supply. This ensures there is no overloading of the building. ALM is critical for high electrical usage buildings or sites with a large number of chargers. 

Note that EO's load management is done using hardware and therefore is not dependant on the internet - there is no danger of breaching the supply maximum if the internet goes down.  Further, the load management takes into account other loads in the building, not just the chargers.

Coming soon: smart-grid integration

In the near future eoHUB will integrate with the smart-grid, solar PV and battery storage, enabling fleet customers to generate revenue from grid-services and reduce (potentially remove) the requirement for upgrading their power supply.