The Value of Distributed Energy Resources (DER) to the Grid: Introductionto the concepts of Marginal Capital Cost and Locational Marginal Value

Date
2019-01-08
Authors
Tabors, Richard
Masiello, Ralph
Caramanis, Michael C.
Andrianesis, Panagiotis
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Abstract
Distributed 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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Keywords
Integrating Distributed or Renewable Resources, Electric Energy Systems, Distributed Energy Resources, Distributed Locational Marginal Pricing, Locational Net Benefit, Marginal Cost of Capacity, Non-wires Alternative
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