10 C.F.R. § 609.10
(b) Project Costs include:
(c) Where a Project consists of the financing and installation of a series of distributed energy resources, DOE may deem the eligible Project Costs to consist of the reasonable and documented costs incurred by the end-user of each distributed energy resource in connection with the contractual agreement between the end-user and the Project Sponsor or its agent, provided that:
(d) Project Costs do not include: