A Practice Note discussing commercial property-assessed clean energy (C-PACE) financing and its impact on the economic risk allocation under a commercial lease. This Note explains how C-PACE financing works and examines various issues a landlord and tenant should consider relating to C-PACE financing when negotiating a commercial lease. While state and local laws govern the adoption and mechanics of C-PACE financing programs, the guidance contained in this resource is useful and relevant to landlords and tenants in every state.