The Value of Distributed Energy Resources (DER) to the Grid: Introductionto the concepts of Marginal Capital Cost and Locational Marginal Value
- Richard Tabors, Tabors Caramanis Rudkevich, Boston, Massachusetts, United States
- Ralph Masiello, Quanta Technologies, Raleigh, North Carolina, United States
- Michael C. Caramanis, School of Engineering, Boston University, Boston, Massachusetts, United States
- Panagiotis Andrianesis, School of Engineering, Boston University, Boston, Massachusetts, United States
AbstractDistributed Energy Resources (DERs) are argued to be a significant benefit to the electric utility grid. While DERs generate significant benefits to their owners and as well as society, the compensation and operating structure of the distribution system of most utilities is such that DERs result in minimal benefits to the distribution system. As we show, the benefits correctly attributed to the distribution company (the wires company) are a function of what service (real, reactive power) the DER is able to provide, when and where, and at what level of certainty the DER is able to provide the service. We introduce the concepts of Marginal Cost of Capacity (MCC) and Locational Marginal Value (LMV) in the calculation of the value of DERs to the distribution system.
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