TSGT-TI-19-0227
310 MW hybrid in La Plata, CO · In queue since March 2021 · Proposed COD May 2027
310 MW
Capacity
2
Components
Solar + Battery
5y 4m
In Queue
Suspended
IA Phase
COD target: 2027
Total Duration
6y 2m
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2027-05-11
The proposed project TSGT-TI-19-0227 is a 310 MW hybrid Solar+Battery project located in La Plata County, Colorado. The developer is Tri-State Generation and Transmission Association (TSGT). The project consists of 155 MW of solar capacity and 155 MW of battery storage.
This development project is in the Tri-State Generation and Transmission Association interconnection queue, with an entry date of March 15, 2021. The interconnection agreement was executed on August 1, 2024. The point of interconnection is the Hesperus 115kV Substation.
Generated from interconnection queue and public data sources
Realization risk through commissioning — schedule slippage, construction cost overrun, and COD probability vs the stated window. The diligence view that determines whether the project comes online when promised. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
CO
County
La Plata
Grid Region
Mountain West
Market
—
Developer
—
Utility
Tri-State Generation and Transmission Association
Entity
TSGT
Service Type
NRIS
Point of Interconnection
Hesperus 115kV Substation
Data Source
LBNL
Composite operating-phase risk view — what this asset's risk profile will look like once it commissions. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — first-year production estimate and 10-year P50 trajectory, with curtailment risk decomposed by congestion zone and ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, first-year DSCR, and construction cost overrun exposure — what determines whether the deal clears its covenants once online. Projected across price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- ISO / RTO
- MOUNTAIN_WEST
- Trading Hub
- FOURCORNERS
- Hub Confidence
- UNKNOWN
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.
No Ask reports yet for this entity.
Ask about Project TSGT-TI-19-0227Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
