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Energy Saving

Electric Vehicle Charging Stations

In the first place, your business should probably be interested in Electric Vehicle Charging Stations.

As a matter of fact your future could depend on it. For one thing, it’s about protecting and growing your business. It’s therefore important you realise the implications of some most compelling evidence.

What is the demand?

Despite relatively small numbers of electric vehicles right now, this is changing fast. As an illustration, data from charging firm Zap-Map states –

  • 13,688 public active EV charge points 
  • 8,546 locations

In 2011 there were just 1,500. Notably, EV charging stations have surpassed the 8,400 petrol stations found in the UK.

The inevitable rise of EVs

Specifically, in July 2019, there were –

  • 223,000 private EVs
  • 8,500 commercial electric vans
  • 38,400,000 fossil-fuelled vehicles

Although the number of EVs in this mix seems almost trivial, now is nevertheless exactly the time you’ll want to get ahead of the curve. Your opportunity arises from the UK already meeting its target from the Committee on Climate Change. To emphasise –

Does your business rely on people driving to you? In this case, we can get you EV ready. 

Which sectors are already benefiting?

Regardless of which of the following sectors you operate in, installing EV charging stations will attract EV owners. In the light of this, it could be at the expense of your competitors if it’s you with the EV charging stations.

By the same token, your competitors are installing EV charging stations right now. Click here to see what Mitchells and Butlers are doing.

  • Leisure and hospitality 
  • Retail
  • Wholesale
  • Manufacturing and engineering
  • Health and care
  • Sports
  • Education
  • Office based businesses

To be sure, EVs are one of those big disruptive changes which can provide you with many new opportunities. They are a particularly worthwhile investment and are comparatively inexpensive as energy efficient technologies go.

Which charging station brands are best?

The first thing to remember is that IU Energy uses technology brands selected for reliability, longevity, product range and warranty. Indeed, in general it applies in this case to all our renewable and energy saving brands.

For Electric Vehicle Charging Stations we use two manufacturers, EV Box and Rolec. EV Box is a great choice for very high IP (water and dust) and IK (impact) ratings. Rolec is a UK based manufacturer with a long history and track record in the Marine sector.

Further information

You can download a Technology Information Sheet here.

Below is a case study for a project we have conducted in commercial Electric Vehicle Charging Stations, followed by FAQs.


Arguably we all will, but any business that owns an electric vehicle (and that is getting to be an unavoidably large number, as legislation puts the pressure on fossil fuelled vehicles), or any business that wishes to aim at EV owners.

It depends on who owns the car park, but the EVCPs can be restricted to authorised users via various options, so only those allowed can charge up.

Yes, if you want to. RFID (radio-frequency identification) cards for example, make it easy to restrict access and record who is charging and how much charge they are using. There are other options as well.

Yes, subject to site survey we’ll advise the best type of unit.

Yes. A 230V, 16A supply will be enough and there are also renewable energy options. Anyone can have an EVCP.

An AC charging point supplies the vehicle’s onboard charger which in turn converts the AC power to DC allowing the battery to be charged. The size of the onboard charging device is constrained by the space inside the vehicle and the price point the manufacturer needs to sell the car at. Because an on-board converter is small, the amount of power it can deliver to the battery is typically low (3-6kW).

A DC fast charger bypasses the onboard charging device, supplying power directly and safely to the vehicle’s battery. The DC charger is external to the vehicle and therefore not constrained in size or cost. DC fast chargers use 3-phase power, and have smart technology, enabling them to adjust the charge level to suit the battery state. DC fast chargers are mainly used at service stations.

At present, there is still no official standard guidance on charging types and times, but for those who wish to understand how charging times are calculated, here is some basic electrical theory!

  • Power (Watts) = Current (Amps) x Voltage (V)
  • Charge Time (hours) = Battery Capacity (kWh) / Power (kW)

In a three-phase system the power is simply three times the single-phase power. In UK (and rest of Europe) the Voltage is the standard 230V, for either a domestic single-phase supply or the phased voltage of a commercial three-phase supply.

To work out the costs of charging an electric car, simply multiply the current cost of electricity per unit (kWh) by the battery capacity of the model in kW. This figure may be affected positively if you have Solar PV/ battery storage.

Simply divide the cost of charging by the range of the car. If we take a £6.15 charging cost for a small hatchback, and use a manufacturer’s specified range for that size of battery (250 miles), we get:

£6.15/250 = 2.46p per mile (the AA states as low as 2.00p).

To calculate the comparison, simply take the current average price of fuel per litre and multiply it by the size of the fuel tank, e.g.

Cost per Litre £1.31 (replace figure with the current fuel cost) x 45L = £58.95

Vehicle MPG = 45 (MPL 9.9). Vehicle range = 45L x 9.9 = 445

Cost per mile (fossil fuel) £58.95/445 = 13.20p

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IU Energy is a multi-award-winning business, providing comprehensive energy management services to its B2B clients, including energy reduction solutions, renewables and independent energy procurement.


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