Energy Saving Trust Scotland is the place to go if you're looking for available grants to support any EV-related purchases.
Energy Saving Trust announces all available loans at https://energysavingtrust.org.uk/travel/financial-support/grants-and-loans/. Following this link, residents can apply for loans to support/cover the cost of transforming to electric.
Some loans may currently be closed for applications, however, it is recommended that you register your interest in future funding opportunities by filling in an interest form. You will be contacted by the team if the fund reopens.