Query
Arch 3
Type
Entity Briefing
Entity
Arch 3
State
MA
Generated
2026-10-10T21:12:07.724Z

Briefing on Arch 3

Entity Briefing
Generated Oct 10, 2026·Dataset freshness not reported
100 MW
Proposed capacity
active
Current status
Battery
Technology
NYISO
Market / region
2028-12-01
Proposed COD
C24
Queue phase
Briefing/projectactive

Arch 3 is a 100 MW Battery project in New York, currently active.

Terra-Gen Development Company, LLC is the reported developer. The reported queue phase is C24. Proposed COD is 2028-12-01.

Queue ID
NYISO-C24-088
Location
Orange, New York
Technology
Battery
Developer
Terra-Gen Development Company, LLC
Market / region
NYISO
Point of interconnection
Rock Tavern 345kV Substation

What stands out

1

Arch 3 is a 100 MW Battery project in New York with status active.

2

Terra-Gen Development Company, LLC is the reported developer.

3

The reported queue phase is C24; proposed COD is 2028-12-01.

Market and operating context

Queue date
2024-08-09
Proposed COD
2028-12-01
Study phase
C24

Why it matters

Queue phase, proposed timing, developer identity, and linked events determine how much of the stated pipeline should be treated as actionable development capacity. The project page and deeper report preserve those fields for further diligence.

Arch 3 — verified asset snapshot

FieldValue
Queue IDNYISO-C24-088
LocationOrange, New York
TechnologyBattery
DeveloperTerra-Gen Development Company, LLC
Market / regionNYISO
Point of interconnectionRock Tavern 345kV Substation
Queue date2024-08-09
Proposed COD2028-12-01