IP-667
400 MW hybrid in Elmore, ID · In queue since August 2022 · Proposed COD March 2029
400 MW
Capacity
1
Components
Solar
3y 11m
In Queue
IA Executed
IA Phase
Signed Mar 2024
Queue → IA
1y 7m
IA → COD
5 years
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)
Construction pending
Typical: 18–30 months
Proposed COD: 2029-03-30
The proposed IP-667 project is a 400 MW solar and battery hybrid development in Elmore County, Idaho. The project, under development by Martha Fields Energy Center, LLC, consists of a 400 MW solar component. It is interconnected to the Idaho Power Company via the BOBN_x0013_MPSN #2 230kV Line.
IP-667 entered the Idaho Power (IP) interconnection queue on August 17, 2022, with a proposed commercial operation date of December 31, 2026. The project's interconnection agreement was executed on March 7, 2024, and its current status is listed as suspended.
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
ID
County
Elmore
Grid Region
Mountain West
Market
—
Developer
Martha Fields Energy Center, LLC
Utility
Idaho Power Company
Entity
IP
Service Type
NRIS
Point of Interconnection
BOBN–MPSN #2 230kV 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-667Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
