PSE-109
200 MW storage in Kitsap, WA · In queue since May 2021 · Proposed COD December 2029
200 MW
Capacity
1
Components
Battery
5y 2m
In Queue
Suspended
IA Phase
COD target: 2029
Total Duration
8y 7m
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: 2029-12-31
The proposed PSE-109 project is a 200 MW battery storage development in Kitsap County, Washington. Interconnecting to the South Bremerton 115kV Substation, the project is listed in the Puget Sound Energy (PSE) interconnection queue with an entry date of May 27, 2021. The project's proposed commercial operation date is December 15, 2023, and the Interconnection Agreement (IA) has been executed.
The project is being developed by PSE. It consists of 200 MW of battery storage capacity. The project is currently listed as active in the interconnection queue.
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
WA
County
Kitsap
Grid Region
Mountain West
Market
—
Developer
—
Utility
Puget Sound Energy
Entity
PSE
Service Type
NRIS
Point of Interconnection
South Bremerton 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
- 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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Ask about Project PSE-109Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.