Look for tax credits. This will be the aspect of most interest for your employer.
As for which L2, it depends on whether they want to be able to charge a set fee, how many chargers they plan to install, and if they want a network to maintain it (for a fee).
As for which L2, it depends on whether they want to be able to charge a set fee, how many chargers they plan to install, and if they want a network to maintain it (for a fee).