Arch 5 (C26-0016)
Arch 5 is a 250.0 MW battery interconnection project in Orange, New York with a current status of active. It is proposed to connect at Rock Tavern 345 kV Substation.
250.0 MWCapacity
ActiveStatus
GMarket
BatteryTechnology
Project facts
| Canonical name | Arch 5 |
|---|---|
| Queue ID | C26-0016 |
| Status | active |
| Source status | 1 |
| Market | G |
| Technology | Battery |
| Capacity | 250.0 MW |
| State | New York |
| County | Orange |
| Point of interconnection | Rock Tavern 345 kV Substation |
| Requested (queue) date | 2026-07-31 |
| Proposed in-service date | — |
| Operational date | — |
| Withdrawn date | — |
| Developer | Terra-Gen Development Company, LLC |
| Utility / transmission owner | CHG&E |
What changed
| Observed | Field | Old value | New value | Materiality |
|---|---|---|---|---|
| 2026-09-12 | new_project | — | active | high |
Explore related data
Source last checked2026-10-11
Data last materially changed2026-10-11
Page data generated2026-10-11
Provenance: New York ISO — interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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