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Submitter's Name
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Toby Considine
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TC Name
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EMIX
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TC Email Address
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emix@lists.oasis-open.org
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Work Product Title
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EMIX v1.0
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Committee Specification Draft ##
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WD15
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CSD URI
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http://www.oasis-open.org/apps/org/workgroup/emix/download.php/40256/emix-1-0-spec-cd-01-htm.zip
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Additional Resources
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http://www.oasis-open.org/apps/org/workgroup/emix/download.php/40256/emix-1-0-spec-cd-01-htm.zip
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Approval Link
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http://www.oasis-open.org/apps/org/workgroup/emix/download.php/40243/EMIX_20101111_Minutes.pdf
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Abstract
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Energy markets have been characterized by tariffs and embedded knowledge that make decision automation difficult. Smart grids introduce rapidly changing products and product availability, with associated dynamic prices. Lack of standardized of messages conveying market information has been a barrier to development and deployment of technology to respond to changing market circumstances.
Price and product definition are actionable information. When presented with standard messages conveying price and product, automated systems can make decisions to optimize energy and economic results. In regulated electricity markets, price and products often are defined by complex tariffs, derived through political processes. These tariffs convey the price and product information to making buying and selling decisions easier. The same information can be derived from market operations in non-tariffed markets. EMIX defines the information for use in messages that convey this actionable information.
An essential distinction between energy and other markets is that price is strongly influenced by time of delivery. Energy for sale at 2:00 AM, when energy use is low, is not the same product as energy for sale at the same location at 2:00 PM, during the working day. EMIX conveys time and interval by incorporating WS-Calendar into tenders, contracts, and performance calls.
Not all market information is available in real time. Present day markets, particularly wholesale markets, may have deferred charges (e.g. balancing charges) that cannot be determined at point of sale. Other markets may require additional purchases to allow the use of the energy purchased (e.g. same-time transmission rights or pipeline fees when accepting delivery on a forward contract). EMIX is useful for representing available price and product information/
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TC Description
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This work was prepared in response the the NIST SMart Grid Roadmap and the Smart Grid Interoperability Panel (SGIP) Prioirity Action Plan 03 (PAP03). It is based upon WS-Calendar for the common communication of time and schedule (PAP04) and is used extensively in Energy Interoperation (PAP09).
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Notification List
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SGIP-SGAC@SMARTGRIDLISTSERV.ORG
naesb@naesb.org
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