Alcazar 2
150 MW storage in Ulster, NY · In queue since August 2024 · Proposed COD December 2028
150 MW
Capacity
1
Components
Battery
1y 7m
In Queue
—
IA Status
COD target: 2028
Total Duration
4y 4m
Interconnection request submitted to ISO/RTO
NYISO transitioned to a Transitional Cluster Study (TCS) format in 2024.
Typical: >42 months (historical); ~24 months target
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2028-12-01
State
NY
County
Ulster
Region
NYISO
Developer
Terra-Gen Development, LLC
Utility
CHGE
Entity
NYISO
Point of Interconnection
Hurley 345kV Substation
Data Source
LBNL + Live
Terra-Gen battery storage proposal sparks safety concerns in Ulster
Terra-Gen, a California-based renewable energy developer, says its modular design for a 250-megawatt lithium-ion battery storage facility in...
Terra-Gen battery storage proposal sparks safety concerns in Ulster
Terra-Gen, a California-based renewable energy developer, says its modular design for a 250-megawatt lithium-ion battery storage facility in...
Terra-Gen battery storage proposal sparks safety concerns in Ulster
Terra-Gen, a California-based renewable energy developer, says its modular design for a 250-megawatt lithium-ion battery storage facility in...
Terra-Gen battery storage proposal sparks safety concerns in Ulster
Terra-Gen, a California-based renewable energy developer, says its modular design for a 250-megawatt lithium-ion battery storage facility in...
Last updated 2026-03-26