Phase I Microgrid Cost Study: Data Collection and Analysis of
To analyze the total costs of microgrids, the projects in the database were classified according to (1) market segment and (2) microgrid complexity level.
Literature on building microgrids focuses primarily on grid-connected solar PV, with and without battery storage system, given that most office and commercial buildings have peak power demand during the daytime and in the context of net zero energy buildings, .
A building microgrid's capacity is usually around hundreds of kilowatts, and they have an active role in partial-to-full electricity supply to buildings via onsite energy supply components, such as solar PV, battery energy storage systems (BESS), and diesel generators (DG).
The U.S. Department of Energy commissioned the National Renewable Energy Laboratory to complete a microgrid cost study and develop a microgrid cost model. The goal is to elucidate the variables that have the highest impact on costs as well as potential areas for cost reduction. This study consists of two phases.
The final microgrid study cost study database contains 80 entries and is described in terms of geographical location of the entries, DER capacity, number of projects, and DER technology mix. The entries are compared to microgrid market reporting by Navigant Research and GTM.
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