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Pacific Northwest Smart Grid Demonstration Project

The Pacific Northwest Smart Grid Demonstration (PNWSGD), a $179 million project that was co-funded by the U.S. Department of Energy (DOE) in late 2009, was one of the largest and most comprehensive demonstrations of electricity grid modernization ever completed. The project was one of 16 regional smart grid demonstrations funded by the American Recovery and Reinvestment Act. It was the only demonstration that included multiple states and cooperation from multiple electric utilities, including rural electric co-ops, investor-owned, municipal, and other public utilities. No fewer than 55 unique instantiations of distinct smart grid systems were demonstrated at the projects' sites. The local objectives for these systems included improved reliability, energy conservation, improved efficiency, and demand responsiveness.

The demonstration developed and deployed an innovative transactive system, unique in the world, that coordinated many of the project's distributed energy resources and demand-responsive components. With the transactive system, additional regional objectives were also addressed, including the mitigation of renewable energy intermittency and the flattening of system load. Using the transactive system, the project coordinated a regional response across the 11 utilities. This region-wide connection from the transmission system down to individual premises equipment was one of the major successes of the project. The project showed that this can be done and assets at the end points can respond dynamically on a wide scale. In principle, a transactive system of this type might eventually help coordinate electricity supply, transmission, distribution, and end uses by distributing mostly automated control responsibilities among the many distributed smart grid domain members and their smart devices.

The Pacific Northwest Smart Grid Demonstration (PNWSGD) project was a unique demonstration of unprecedented geographic breadth across five Pacific Northwest states-Idaho, Montana, Oregon, Washington, and Wyoming. It involved about 60,000 metered customers, and contained many key functions of the future smart grid, ultimately moving the nation closer to establishing a more efficient and effective electric grid.


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PNWSGD Data Collection: Non-Transactive Data XML Schema and Examples

Non-transactive data is defined as information or measurements that are actual/factual; transactive data is defined as data that is predictive information. This document does not apply to transactive data.

This document defines the Pacific Northwest Smart Grid Demonstration Data Collection implementation for non-transactive data, the XML schemata, and a few data examples (both in XML and CSV). The PNWSGD Transactions Schema is defined in eXtensible Mark-up Language (XML) format.

Section 1.0 describes the top level of the schema and the roles played by each of the components.

Section 2.0 Membership Transactions describes the transactions involving which data streams are members of which test case and the role they play. This role may be as a Control Member (baseline data), as an Experimental Member, or Not a Member. This information is covered by two types of transactions: MembershipConfigTransaction and MembershipEventTransaction. Configuration transactions determine the current state of membersips of the data streams with respect to the test cases; event transactions allow membership changes to be made and tracked historically.

Section 3.0 Test Case Transactions describes events relevant to the status of test cases. These events, chosen from a pre-determined list, allow the analysts to track elements that may have an impact on the test case results, such as asset engagement and configuration.

Section 4.0 Device Transactions describes how information about devices is collected and how events reported by devices are captured. Only events listed in a predetermined list are reported.

Section 5.0 Customer Transaction describes how to track customers in the context of a device. This will be useful in only limited contexts.

Section 6.0 Location Information Transaction provides a mechanism for connecting data streams to a service location. Not all data streams have a location, but most will be related to a point in the distribution network.

Section 7.0 Data Stream Measurements describes collecting the actual data from the data streams.
Most of the remainder of the document deals with metadata, the data about the data. This is how the data itself is captured.

Section 8.0 Data Stream Information describes how the data streams are defined. Data streams connect locations with time varying data (or even one-time data).

Section 9.0 Summary provides a checklist of what a utility needs to do to report non-transactive data to the Data Collection System.

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Dr. Olga Anna Kuchar
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Dr. Olga Anna Kuchar
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Kuchar OA, ST Elbert, and MC Marinovici. 2016. PNWSGD Data Collection: Non-Transactive Data XML Schema and Examples. PNNL-25140, Pacific Northwest National Laboratory, Richland, WA