Rock Springs 500kV (Y3-102)

Rock Springs 500kV is a 166.0 MW gas interconnection project in Cecil, Maryland with a current status of operational.

166.0 MWCapacity
OperationalStatus
—Market
GasTechnology

Project facts

Canonical nameRock Springs 500kV
Queue IDY3-102
Statusoperational
Source statusIn Service
Market—
TechnologyGas
Capacity166.0 MW
StateMaryland
CountyCecil
Point of interconnection—
Requested (queue) date2013-04-30
Proposed in-service date—
Operational date2017-08-21
Withdrawn date—
Developer—
Utility / transmission ownerEssential Power

Cross-source records

This project is also observed in: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. interXdata links these source records without double-counting the project.

What changed

ObservedFieldOld valueNew valueMateriality
2026-07-29new_project—operationalhigh

Explore related data

Source last checked2026-10-12
Data last materially changed2026-10-12
Page data generated2026-10-12

Provenance: PJM — new-services interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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