Lupinus Solar 3
100.8 MW generation in Franklin, TX · In queue since September 2023 · Proposed COD September 2026
100.8 MW
Capacity
1
Components
Solar
2y 8m
In Queue
Facility Study
IA Status
COD target: 2026
Total Duration
3 years
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: 2026-09-21
Lupinus Solar 3 is a proposed solar generation project located in Franklin County, Texas, within the ERCOT region. The development project, with a total capacity of 100.8 MW, is being developed by Lupinus Solar 2, LLC. It consists of 100.8 MW of solar photovoltaic generation.
The project is listed in the ERCOT interconnection queue as entry ERCOT-24INR0484, with a queue entry date of September 23, 2023. The proposed commercial operation date is September 21, 2026, and its interconnection agreement status is currently in the Facility Study phase. The point of interconnection is the 1794 Monticello Tap 138 kV. The project has been mentioned in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Franklin
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Lupinus Solar 2, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
1794 Monticello Tap 138 kV
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- MEDIUM
- POI Substation
- Monticello 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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