Project PSCo-GI-2021-6 — Project Summary

Queue ID
PSCo-GI-2021-6
Capacity
199 MW
Technology
Solar+Battery
Status
suspended
Location
Adams, CO
Region
West
Developer
IA Status
Suspended

PSCo-GI-2021-6

PSCo-GI-2021-6BetaSuspendedSolarBatteryPSCoLBNL

199 MW hybrid in Adams, CO · In queue since April 2021 · Proposed COD December 2024

BA: PSCONERC: WECCRC: SPPW

199 MW

Capacity

1

Components

Solar

5y 3m

In Queue

Suspended

IA Phase

COD target: 2024

Interconnection

Total Duration

3y 8m

Study Phase

DISIS-2021-003

Suspended38%
Queue EntryApr 2, 2021

Interconnection request submitted to ISO/RTO

Interconnection Study

Project undergoes interconnection studies to assess grid impact.

Typical: 18–36 months

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2024-12-31

About

The proposed PSCo-GI-2021-6 project is a 199 MW hybrid solar and battery energy storage development in Adams County, Colorado. The project consists of 199 MW of solar photovoltaic generation. It is located in the West region and is being proposed within the Public Service Company of Colorado (PSCo) service area.

The project is currently active in the PSCo interconnection queue as entry PSCo-GI-2021-6, with a queue entry date of April 2, 2021, and a proposed commercial operation date of December 31, 2024. The interconnection agreement (IA) for the project has been executed. The point of interconnection (POI) is the Green Valley - Sky Ranch 230 kV substation.

Generated from interconnection queue and public data sources

Development Risk

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.

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P(COD within window)
Cost overrun probability
Schedule slippage vs plan
Project Details

State

CO

County

Adams

Grid Region

Mountain West

Market

Developer

Utility

Public Service Company Of Colorado

Entity

PSCo

Service Type

NRIS

Point of Interconnection

Green Valley - Sky Ranch 230 kV

Data Source

LBNL

Risk Analytics

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.

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See the full risk decomposition + scenarios for this project.

Climate hazards (8+)
Generation variability (P10/P50/P90)
Offtake + transmission counterparty
Generation Forecast

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.

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See the full forecast + scenario decomposition for this project.

10-year P50 forecast
Curtailment risk by node
Weather + policy scenarios
Financial Forecast

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.

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See the full revenue + DSCR projection for this project.

First-year DSCR
Cost overrun probability
Price + demand scenarios
Market Context
Approximate
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.

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Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.