Mercury Solar III
203.5 MW generation in Hill, TX · In queue since August 2022 · Proposed COD April 2029
203.5 MW
Capacity
1
Components
Solar
3y 9m
In Queue
Facility Study
IA Status
COD target: 2029
Total Duration
6y 8m
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2029-04-01
The Mercury Solar III project is a proposed 203.5 MW solar generation facility in Hill County, Texas. The project, developed by Mercury Solar, is currently active in the ERCOT interconnection queue as entry ERCOT-24INR0407, with a queue entry date of August 16, 2022. Its proposed commercial operation date is April 1, 2029, and its interconnection agreement status is currently in the Facility Study phase.
The proposed project has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Hill
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Mercury Solar
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
68092 Liberty Station 345kV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_HOUSTON
- Hub Confidence
- MEDIUM
- POI Substation
- Liberty Substation
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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