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Using renewable energy sources to deliver some of the power needed for charging infrastructure could be a solution for locations with constrained network capacity. There have been several example projects in Scotland, some of which are outlined below.

Solar power

Castleview site featuring solar PV canopies above parking and chargepoint bays.

Stirling’s Castleview low carbon transport hub, a “park and choose” site that was referenced as a mini case study earlier in this guidance, is an example of a charging infrastructure development that incorporates both solar photovoltaic and battery storage technologies. Solar canopies have been installed above 132 parking bays. In addition, 446kWh of battery storage has been connected to enable flexible distribution of the anticipated 210,000kWh of solar generation per year. The system is used to support a mix of 50kW DC, 22kW and 7kW AC units, as well as any lighting needs on site. Further information can be found on the project’s website.

Tidal power

Nova Innovation’s tidal-powered charger, Cullivoe Harbour on the Isle of Yell, Shetland

Shetland has exhibited the world’s first example of a tidal-powered chargepoint. Further information can be found on the project’s website.