• Baseline Upgrades are those that resolve a system reliability criteria violation. This can be PJM criteria, NERC, RFC or TO planning criteria.
• Network Upgrades are new or upgraded facilities required primarily to eliminate reliability criteria violations caused by proposed generation, merchant transmission or long term firm transmission service requests, but can also include certain direct connection facilities required to interconnect proposed generation projects.
• Supplemental Projects (formerly referred to as Transmission Owner Initiated projects) are projects initiated by the Transmission Owner to satisfy local Transmission Owner criteria. These projects are used as inputs to RTEP models, but are not required for reliability, economic efficiency or operational performance criteria, as determined by PJM.

Expected (normal / emergency) Rating: expected normal continuous rating and long term 4 hour emergency rating based on summer 95° F temperature basis.

Percent Complete – The percentages should be correlated to the following milestones:

• EP Status: 0% - 25% - Engineering and Planning (includes engineering, detailed design, material procurement, resource planning)
• UC Status:
• 26% - 100% - Under Construction
• 26% - 90% - Construction Activities
• 91% - 100% - Testing and Inspection

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