Interconnection Practice, Policies, Procedures ComEd Illinois

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InterconnectionPractice, Policies,
ProceduresComEd Illinois
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Challenge

• PROMOTE THE DEVELOPMENT OF A COMPETITIVE
  GENERATION MARKETPLACE
• where the market determines Generation amount,
  type and timing

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• To Implement a Practice,
• You Need a Customer
• Send a Market Signal !

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ComEd Preferred Generation Sites
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ComEds Attachment KProcedures for
Interconnecting New Generating Facilities...
Initial Request
Posted on OASIS
30 Days to Send 15 Days to Execute
L.O.I.
Interconnection Study and Diagram
45 Days

• Milestones
• Site Acquisition
• Permits
• Regulatory
• Certification
• Credit Support

Decision Period
30 Days
Right-of First Refusal
90 Days
Execution Period
90 Days
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Major Considerations of the Wires Company

• System Reliability
• System Stability
• Financial Responsibility

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Major Considerations of the Merchant Power Company

• System Reliability
• System Capability
• Available Transmission Capacity
• Project Feasibility

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Blue Book Table of Contents

• Chapter 1 - Purpose of the Document and
  Customers Responsibilities
• Chapter 2 - General Information on Rates,
  Tariffs, Studies, Protection, and other ComEd
  Requirements
• Chapter 3 - QF/ Non Merchant Plant Process
• Chapter 4 - IPP/ Merchant Plant Process
• Chapter 5 - Typical Interconnection Configurations

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Blue Book Table of Contents (Appendices)

• Contact List
• Generator Data Sheet
• Metering Requirements
• Telemetry Standards
• Relay Functional Requirements/ Specifications
• Substation Design Standards
• Transmission Standards
• Pre- Parallel Inspection Standards
• Interconnection Agreement
• Microwave Communication Equipment

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Installation Tapped into 138kV Line
G
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Typical 345 kV Connection
Substation A
Substation B
CE
New Substation
IPP
G
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Extension of an Existing Substation
ComEd
New Circuit Breaker
IPP
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Lessons Learned

• Stay with your original design
• Once a design begins 1 Good Engineer is worth 3
  Lawyers
• Equipment Lead Time can be a Killer
• Start up/Electrical Relay Testing, Expect
  Problems
• Metering Know Your Business Model
• Interconnection Delivery

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Link to the IPP Web Page
http//www.comedtransmission.com/
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Is the Policy Working ?

• Wall Street Journal Article Dated May 11, 2000
• In the U.S. - 162,000 MWs on the drawing board
• ComEd Interconnection Queue as of May 11, 2000
• 39 Requests
• 18,724 MWs
• As of June, 2000
• 1,836 MWs of New IPPs connected to the ComEd
  System