A ban on the sale of diesel and petrol vehicles is expected to come into force in 2040, so it is important to ensure drivers can easily switch and make use of alternative fuel vehicles.
Electric vehicles are propelled by an electric motor powered using energy stored in internal batteries. Plug-in electric vehicle batteries are recharged by plugging them into the power grid.
The support and use of electric vehicles in residential developments provides a number of benefits and layouts should therefore give consideration to how charging infrastructure can be integrated:
Decreased air pollution in the vicinity due to the lack of exhaust emissions.
Decreased noise pollution.
Opportunity to provide ancillary services to the local power grid, enabling the use of higher share of variable renewable energy and potentially avoiding costly grid reinforcements.
Types of Chargepoint
There are three types of charging equipment, each with an associated charging time and typical application.
Type of chargepoint
Typical power output
Typical charging time
Retail, leisure, public
Public, fleet, strategic highway network
The majority of charging currently occurs at home, usually overnight when electricity is cheapest. For residential developments the standard 3-7kW chargepoints are sufficient to provide a full charge overnight. The same chargepoints are suitable for employee parking spaces where cars would typically be parked during office working hours.
Fast chargepoints are suitable for public and retail car parks, leisure centres, visitor car parks and other amenities where drivers can top-up their battery while visiting the location for other reasons.
Rapid chargepoints can provide up to 80% power in about 30 minutes, and are best suited for transport hubs (for example, airports, taxi ranks etc.), electric vehicle (EV) charging hubs and along the strategic highway network, where a quick charge is essential.
Number of Chargepoints
For housing developments with garages and/or dedicated off-street parking, each new dwelling should be fitted with a standard (3-7kW) chargepoint.
For housing developments with no off-street parking, 10% of the unallocated parking bays should have an active (i.e. wired and ready to use) chargepoint. A further 10% should have the necessary underlying infrastructure (i.e. cabling and ducting) to enable quick, simple installation at a later date when there is sufficient demand.
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