Project PSE-153 — Project Summary

Queue ID
PSE-153
Capacity
188 MW
Technology
Gas
Status
active
Location
Skagit, WA
Region
West
Developer
IA Status
Cluster Study

PSE-153

PSE-153BetaActiveGasPSELBNL

188 MW generation in Skagit, WA · In queue since April 2024 · Proposed COD December 2028

BA: BPATNERC: WECCRC: RCW

188 MW

Capacity

1

Components

Gas

2y 3m

In Queue

Cluster Study

IA Phase

COD target: 2028

Interconnection

Total Duration

4y 8m

Study Phase

1

Impact Study25%
Queue EntryApr 17, 2024

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

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: 2028-12-31

About

PSE-153 is a proposed 188 MW gas-fired generation project located in Skagit County, Washington. The project, under development by Puget Sound Energy (PSE), is interconnected to the Fredonia 230 kV Substation. It entered the Puget Sound Energy interconnection queue on April 17, 2024, with a proposed commercial operation date of December 31, 2028. Its interconnection status is currently in the Cluster Study phase.

The project consists of 188 MW of gas-fired generation capacity. It is listed as an active project in the interconnection queue. The project has appeared in recent news coverage regarding Puget Sound Energy's resource planning.

Generated from interconnection queue and public data sources

Development Risk

Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.

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See the full development-risk decomposition for this project.

P(COD by stated date)
Withdrawal probability vs cohort
IA cluster risk
Project Details

State

WA

County

Skagit

Grid Region

Mountain West

Market

Developer

Utility

Puget Sound Energy

Entity

PSE

Service Type

NRIS

Point of Interconnection

Fredonia 230 kV Substation

Data Source

LBNL

Risk Analytics

Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.

Available on the InfraSure platform

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 — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.

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See the full forecast + scenario decomposition for this project.

P50 conditioned on COD
Capacity factor vs cohort
Weather + policy scenarios
Financial Forecast

Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

Revenue conditioned on COD
Financing close risk
Cohort DSCR comparison
Market Context
Approximate
ISO / RTO
MOUNTAIN_WEST
Trading Hub
MID-C
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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InfraSure platform

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