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Subject: Comments on Energy Interoperation Version 1.0 26/11/10
This is a well prepared document with definitions, narrative discussions and, logical interactions and UML models. However, I have the following comments: 1. Figure 1-1: Representative Communications for Energy Interoperations, is missing the distribution (and perhaps transmission) utility. Consumers can directly interact with Generators only in regions that have Direct Retail Access (e.g., Texas), in other regions consumers but energy from their electric utility under a retail tariff. ESPs/DRPs are typically in a DR aggregation business, only.
2. The EI specification places a strong emphasis on a Transactive Energy model with a (retail) market-based dynamic tariff. This is a new emerging concept, and is not generally adopted by the PUCs/Utilities. 3. Most of the discussions in the document imply that there is no distribution grid delivery constraints (i.e., no distribution congestion). With unbalanced nature of the distribution grid in the North America, and with emergence of distributed generation and plug-in Electric Vehicles (PEV), the grid reliability will be playing an important role in establishing pricing signals.. Similar to the wholesale markets that transmission congestion led to the concept of locational pricing (LMPs), distribution congestion (phase imbalances, voltage violations, overloads, etc.) could play an important role determining locational retail pricing signals as well. Best Regards, Ali Ipakchi Vice President, Smart Grid and Green Power Open Access Technology International, Inc. Office: 763-201-2003 Cell: 651-335-9867 CONFIDENTIAL INFORMATION: This email and any attachment(s) contain confidential and/or proprietary information of Open Access Technology International, Inc. Do not copy or distribute without the prior written consent of OATI. If you are not a named recipient to the message, please notify the sender immediately and do not retain the message |
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