Jolly Rock Storage Center (29INR0084)

Jolly Rock Storage Center is a 208.6 MW other interconnection project in Young, Texas with a current status of operational. It is proposed to connect at Tap 138kV 1431 GRAHAM Plant Switch - 11525 Short Grass Circuit 1. .

208.6 MWCapacity
OperationalStatus
YoungMarket
OtherTechnology

Project facts

Canonical nameJolly Rock Storage Center
Queue ID29INR0084
Statusoperational
Source statusSS Completed, FIS Started, No IA
MarketYoung
TechnologyOther
Capacity208.6 MW
StateTexas
CountyYoung
Point of interconnectionTap 138kV 1431 GRAHAM Plant Switch - 11525 Short Grass Circuit 1.
Requested (queue) date2024-12-19
Proposed in-service date
Operational date2029-05-16
Withdrawn date
DeveloperJolly Rock Storage Center LLC
Utility / transmission ownerERCOT

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
2026-07-31new_projectoperationalhigh

Explore related data

Source last checked2026-08-01
Data last materially changed2026-08-01
Page data generated2026-08-27

Provenance: ERCOT — Generation Interconnection Status (GIS) report. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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