Horizon Substation 230 (CSUT-2025-8)

Horizon Substation 230 is a 100.0 MW battery interconnection project in El Paso, Colorado with a current status of active. It is proposed to connect at Horizon Substation 230.

100.0 MWCapacity
ActiveStatus
COMarket
BatteryTechnology

Project facts

Canonical nameHorizon Substation 230
Queue IDCSUT-2025-8
Statusactive
Source statusIA FULLY EXECUTED/ON SCHEDULE
MarketCO
TechnologyBattery
Capacity100.0 MW
StateColorado
CountyEl Paso
Point of interconnectionHorizon Substation 230
Requested (queue) date2025-03-03
Proposed in-service date2028-01-29
Operational date—
Withdrawn date—
Developer—
Utility / transmission ownerCSU

Cross-source records

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

What changed

ObservedFieldOld valueNew valueMateriality
2026-09-15statusoperationalactivehigh
2026-09-15proposed_online_date—2028-01-29medium
2026-09-15operational_date2028-01-29—medium
2026-07-31new_project—operationalhigh

Explore related data

Source last checked2026-10-11
Data last materially changed2026-10-11
Page data generated2026-10-11

Provenance: Southwest Power Pool — generator interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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