Grand Mesa BESS
BetaActiveBatteryERCOTLBNL + Live
255.6 MW storage in Pecos, TX · In queue since August 2024 · Proposed COD September 2027
255.6 MW
Capacity
1
Components
Battery
1y 7m
In Queue
Facility Study
IA Status
COD target: 2027
Interconnection Timeline
Total Duration
3y 1m
Facilities Study50%
Queue EntryAug 16, 2024
Interconnection request submitted to ISO/RTO
Interconnection StudyCurrent
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection Agreement
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Commercial Operation
Proposed COD: 2027-09-28
Project Details
State
TX
County
Pecos
Region
ERCOT
Developer
PERRY GREEN POWER LLC
Utility
—
Entity
ERCOT
Point of Interconnection
76582 MESA VIEW SWITCH 138kV
Data Source
LBNL + Live
No news available for this project.