Project IP-573 — Project Summary

Queue ID
IP-573
Capacity
300 MW
Technology
Solar+Battery
Status
active
Location
Power, ID
Region
West
Developer
NextEra Energy Resources Interconnection Holdings, LLC
IA Status
IA Executed

IP-573

IP-573BetaActiveSolarBatteryIPLBNL

300 MW hybrid in Power, ID · In queue since November 2019 · Proposed COD October 2027

BA: IPCONERC: WECCRC: RCW

300 MW

Capacity

1

Components

Solar

6y 8m

In Queue

IA Executed

IA Phase

Signed Oct 2021

Interconnection

Queue → IA

1y 11m

IA → COD

6 years

Total Duration

1y 11m

Construction75%
Queue EntryNov 2, 2019

Interconnection request submitted to ISO/RTO

Interconnection Study

Project undergoes interconnection studies to assess grid impact.

Typical: 18–36 months

Interconnection AgreementOct 5, 2021

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 18–30 months

Commercial Operation

Proposed COD: 2027-10-01

Cross-source intelligence
Beta
Low confidence·0 sources·as of 2026-06-01
Expected COD
2027-10-01
From queue filing
Developer
NextEra Energy Resources
Filed as NextEra Energy Resources Interconnection Holdings, LLC
Status
IA Executed
IA Executed — interconnection agreement signed October 2021, project remains in active queue with 2027 target COD
Financing
Unannounced
Key milestones
IA executedOct 5, 2021Most recent

Interconnection Agreement executed per LBNL queue data

About

IP-573 is a proposed 300 MW solar and battery hybrid project located in Power County, Idaho. The developer is NextEra Energy Resources Interconnection Holdings, LLC, and the project is interconnected with Idaho Power Company. The project consists of 300 MW of solar capacity.

The project is listed in the IP interconnection queue with an entry date of November 2, 2019. Its proposed commercial operation date is November 30, 2022, and an Interconnection Agreement (IA) was executed on October 5, 2021. The point of interconnection is the BORA 345kV Substation. This project has been mentioned in recent industry news.

Generated from interconnection queue and public data sources

Development Risk

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.

Available on the InfraSure platform

See the full development-risk decomposition for this project.

P(COD by stated date)
Financing close probability
EPC + tax-equity counterparty
Project Details

State

ID

County

Power

Grid Region

Mountain West

Market

Developer

NextEra Energy Resources Interconnection Holdings, LLC

Utility

Idaho Power Company

Entity

IP

Service Type

NRIS

Point of Interconnection

BORA 345kV Substation

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.

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 — 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.

Available on the InfraSure platform

See the full forecast + scenario decomposition for this project.

10-year P50 forecast
First-year output estimate
Weather + policy scenarios
Financial Forecast

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.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

10-year revenue projection
First-year DSCR
Financing close risk
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.

No insights available for this project.
InfraSure platform

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