Security constrained optimal dispatch for electricity markets

• US 20040024685A1
• Filed: 03/10/2003
• Published: 02/05/2004
• Est. Priority Date: 03/11/2002
• Status: Active Grant

• Current Assignee: Siemens AG
• Original Assignee: Siemens Power Transmission & Distribution Incorporated (Siemens AG)
• Inventors: Peljto, Haso
• Granted Patent: US 7,349,887 B2
• Time in Patent Office: Days
• US Class Current: 705/37
• CPC Class Codes: G06Q 30/06 Buying, selling or leasing transactions
• CPC Class Codes: G06Q 40/04 Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
• CPC Class Codes: G06Q 50/06 Energy or water supply
• CPC Class Codes: H02J 3/003 Load forecast, e.g. methods or systems for forecasting future load demand
• CPC Class Codes: H02J 3/008 involving trading of energy or energy transmission rights
• CPC Class Codes: Y02B 70/3225 Demand response systems, e.g. load shedding, peak shaving
• CPC Class Codes: Y04S 10/50 Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
• CPC Class Codes: Y04S 20/222 Demand response systems, e.g. load shedding, peak shaving
• CPC Class Codes: Y04S 50/10 Energy trading, including energy flowing from end-user application to grid

Abstract

The present invention is an apparatus for optimizing security constrained dispatch and pricing for the wholesale energy trading market. The imbalance market uniquely requires a real-time market for bidding and for providing the energy generation adjustments required to satisfy the imbalance. The present invention address the above noted needs by providing a real-time imbalance engine to support and implement the equitable imbalance requirement via a computer system implementation. Additionally, the present invention allows the market generators and loads to provide electronic bids for resolution while considering constraints on the demand and supply system.

Claims

1. A computer implemented system for optimal market dispatch for clearance and pricing of energy in an energy trading market spanning control areas of at least one market participant, said system comprising:

means for inputting transmission security constraints of said at least one market participant;

means for clearing energy bids across said control areas;

means for optimizing the dispatch of energy considering said transmission security constraints of said at least one market participant; and

means for pricing the dispatch of energy considering said transmission security constraints.

2. The market dispatch system of claim 1, wherein said transmission security constraint is the market participant energy limit.

3. The market dispatch system of claim 1, wherein said transmission security constraint is the load energy limit.

4. The market dispatch system of claim 1, wherein said transmission security constraint is the market participant regulation availability.

5. The market dispatch system of claim 1, wherein said transmission security constraint is the market participant regulation range.

6. The market dispatch system of claim 1, wherein said transmission security constraint is the market participant spinning reserve limit.

7. The market dispatch system of claim 1, wherein said transmission security constraint is the load spinning reserve limit.

8. The market dispatch system of claim 1, wherein said transmission security constraint is the market participant non-spinning reserve limit.

9. The market dispatch system of claim 1, wherein said transmission security constraint is the market participant capacity limit.

10. The market dispatch system of claim 1, wherein said transmission security constraint is the load capacity limit.