Prost ESS (26INR0410)

Prost ESS is a 202.7 MW other interconnection project in Austin, Texas with a current status of operational. It is proposed to connect at Tap 138kV L_PISEK_8_1Y (#7296) - L_WELCOM8_1Y(#7577).

202.7 MWCapacity
OperationalStatus
AustinMarket
OtherTechnology

Project facts

Canonical nameProst ESS
Queue ID26INR0410
Statusoperational
Source statusSS Completed, FIS Started, No IA
MarketAustin
TechnologyOther
Capacity202.7 MW
StateTexas
CountyAustin
Point of interconnectionTap 138kV L_PISEK_8_1Y (#7296) - L_WELCOM8_1Y(#7577)
Requested (queue) date2024-02-27
Proposed in-service date
Operational date2028-09-08
Withdrawn date
DeveloperProst ESS 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.

Follow this project and get an alert when its status, capacity, developer, or schedule changes.

Start tracking with interXdata