Project BPA-G0660 — Project Summary

Queue ID
BPA-G0660
Capacity
300 MW
Technology
Solar+Battery
Status
active
Location
Grant, WA
Region
West
Developer
IA Status
In Progress (unknown study)

BPA-G0660

BPA-G0660BetaActiveSolarBatteryBPALBNL

300 MW hybrid in Grant, WA · In queue since November 2020 · Proposed COD October 2024

BA: BPATNERC: WECCRC: RCW

300 MW

Capacity

2

Components

Solar + Battery

5y 8m

In Queue

In Progress (unknown study)

IA Phase

COD target: 2024

Interconnection

Total Duration

3y 11m

Schedule

22 months past proposed COD

In Study38%
Queue EntryNov 5, 2020

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: 2024-10-01

About

BPA-G0660 is a proposed 300 MW hybrid Solar+Battery project located in Grant County, Washington. The development project consists of a 200 MW solar component and a 100 MW battery energy storage system. It is listed in the Bonneville Power Administration interconnection queue with an entry date of November 5, 2020, and a proposed commercial operation date of October 1, 2024.

The interconnection agreement status is listed as "In Progress (unknown study)". The project's points of interconnection are Grand Coulee - Rocky Ford 230 kV and Grand Coulee - Potholes 230 kV. The project has appeared in recent news coverage.

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

Grant

Grid Region

Mountain West

Market

Developer

Utility

Entity

BPA

Service Type

NRIS/ERIS

Point of Interconnection

POI 1: Grand Coulee - Rocky Ford 230 kV POI 2: Grand Coulee - Potholes 230 kV

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
Technology
Solar200 MW · 67%
Battery100 MW · 33%
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.

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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.