1. Interconnection Practice, Policies, Procedures ComEd Illinois
9/17/2018

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

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

4. ComEd Preferred Generation Sites

7. ComEd’s Attachment K Procedures 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

9. Major Considerations of the Wires Company
System Reliability
System Stability
Financial Responsibility

10. Major Considerations of the Merchant Power Company
System Reliability
System Capability
Available Transmission Capacity
Project Feasibility

12. 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

13. 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

14. Installation Tapped into 138kV LineG

15. Typical 345 kV Connection New Substation G CE IPP Substation A
Substation B CE
New Substation
IPP G

16. Extension of an Existing Substation
ComEd
New
Circuit
Breaker
IPP

17. 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

18. Link to the IPP Web Page

19. Is the Policy Working ? Wall Street Journal Article Dated May 11, 2000
In the U.S ,000 MW’s on the drawing board
ComEd Interconnection Queue as of May 11, 2000
39 Requests
18,724 MW’s
As of June, 2000
1,836 MW’s of New IPP’s connected to the ComEd System