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An Assessment of the Transmission Grid of Maryland Utilities and Some Potential Consequences of Retail Competition

 

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An Assessment of the Transmission Grid of Maryland Utilities
and Some Potential Consequences of Retail Competition

COVER PAGE

TITLE PAGE

TABLE OF CONTENTS

EXECUTIVE SUMMARY

I. INTRODUCTION

II. DESCRIPTION OF THE TRANSMISSION NETWORK

A. LOCAL TRANSMISSION FACILITIES

1. Delmarva Power and Light Company
2. Baltimore Gas and Electric Company
3. Potomac Electric Power Company
4. Allegheny Power

B. REMOTE FACILITIES

III. FERC ORDER NO. 888 AND THE PJM ISO PROPOSAL

A. KEY PROVISIONS OF ORDER NOS. 888 AND 888-A

1. Open Access Tariffs
2. Expansion of the Grid
3. Ancillary Services

B. THE PJM ISO PROPOSALS

1. The Supporting Companies Filing
2. The FERC ISO Order
3. Potential Impact of the ISO

IV. TRANSMISSION PLANNING ISSUES

A. INTRODUCTION

B. PLANNING STUDIES

C. TRANSFER CAPABILITY

1. Thermal Limits
2. Voltage Limits
3. Stability Limits
4. N-1 Operation Principle

D. EFFECTS OF INTERCONNECTED OPERATION AND PARALLEL FLOWS

E. AVAILABLE TRANSFER CAPABILITY

V. TRANSMISSION CAPABILITIES, CONSTRAINTS, AND UPGRADES

A. INTERREGIONAL TRANSFER CAPABILITY

1. MAAC-ECAR Non-Simultaneous Transfer Capability
2. MAAC-VACAR Non-Simultaneous Transfer Capability
3. MAAC-NPCC Non-Simultaneous Transfer Capability
4. Simultaneous Transfer Capability
5. Significance of Results

B. MARYLAND IMPORT CAPABILITY, CONSTRAINTS, AND UPGRADES

1. BGE/PEPCO
2. Delmarva
3. Allegheny Power

C. HOURLY PJM INTERNAL INTERFACE TRANSFER CAPABILITY AND USE

ADDENDUM

A. OVERVIEW

B. MAAC-ECAR NON-SIMULTANEOUS TRANSFER CAPABILITY

C. MAAC-VACAR NON-SIMULTANEOUS TRANSFER CAPABILITY

D. MAAC-NPCC NON-SIMULTANEOUS TRANSFER CAPABILITY

E. BGE/PEPCO SUB-REGIONAL IMPORT CAPABILITY

VI. IMPACT OF RETAIL COMPETITION ON TRANSMISSION CAPABILITY AND RELIABILITY

A. THE BASE CASE SCENARIO

B. POTENTIAL EFFECTS OF RETAIL COMPETITION ON THE GRID

1. Site Selection
2. Competition by Maryland Utilities to Serve Retail Load
3. Early Retirement of Generating Units

 


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This page was updated on March 31, 2001.