IP-622
600 MW storage in Malheur, OR · In queue since October 2021 · Proposed COD December 2029
600 MW
Capacity
1
Components
Other Storage
4y 9m
In Queue
IA Executed
IA Phase
Signed May 2023
Queue → IA
1y 7m
IA → COD
6y 7m
Total Duration
1y 7m
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2029-12-01
Interconnection Agreement executed per LBNL queue data
IP-622 is a proposed 600 MW battery storage project located in Malheur County, Oregon. The project, developed by Owyhee Energy Storage, LLC, is interconnected to Idaho Power Company via the HMWY_x0013_SMLK 500kV Line. It consists entirely of "Other Storage" technology.
The project is listed in the IP interconnection queue as entry IP-622, with a queue entry date of October 18, 2021, and a proposed commercial operation date of August 31, 2028. The Interconnection Agreement (IA) was executed on May 1, 2023. The project has been mentioned in recent news coverage.
Generated from interconnection queue and public data sources
Realization risk from now to commercial operation — financing close, EPC and tax-equity counterparty mix, and COD probability vs the proposed date. The diligence view that determines whether the deal actually closes. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
OR
County
Malheur
Grid Region
Mountain West
Market
—
Developer
Owyhee Energy Storage, LLC
Utility
Idaho Power Company
Entity
IP
Service Type
ERIS
Point of Interconnection
HMWY–SMLK 500kV Line
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 probabilistic 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, DSCR projection, and financing-close risk — conditioned on commercial operation. First-year DSCR, 10-year cashflow, and counterparty exposure across price 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 IP-622Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
