Flint Mine Solar (NYISO-637) — Project Summary

Queue ID
NYISO-637
Capacity
100 MW
Technology
Solar
Status
active
Location
Greene, NY
Region
NYISO
Developer
Flint Mine Solar LLC
IA Status
Facility Study

Flint Mine Solar

NYISO-637BetaActiveSolarNYISOLBNL

100 MW generation in Greene, NY · In queue since June 2017 · Proposed COD May 2026

BA: NYISISO/RTO: NYISONERC: NPCCRC: NYIS

100 MW

Capacity

1

Components

Solar

9y 1m

In Queue

Facility Study

IA Phase

Signed Feb 2021

Interconnection

Queue → IA

3y 8m

IA → COD

5y 3m

Total Duration

3y 8m

Schedule

2 months past proposed COD

Construction50%
Queue EntryJun 29, 2017

Interconnection request submitted to ISO/RTO

TCS Study

NYISO transitioned to a Transitional Cluster Study (TCS) format in 2024.

Typical: >42 months (historical); ~24 months target

Interconnection AgreementFeb 8, 2021

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 12–24 months

Commercial Operation

Proposed COD: 2026-05-01

Cross-source intelligence
Beta
Low confidence·0 sources·as of 2026-06-01
Expected COD
2026-05-01
From queue filing
Developer
Flint Mine Solar LLC
From queue filing
Status
Active
Active — in Facility Study phase since February 2021, no public updates on construction timeline or permitting progress
Financing
Unannounced
Key milestones
IA executedFeb 8, 2021Most recent

Facility Study phase initiated per LBNL queue data

About

Flint Mine Solar is a proposed 100 MW solar generation project located in Greene County, New York. The developer is Flint Mine Solar LLC. This project is listed in the NYISO interconnection queue as queue ID NYISO-637, with an entry date of June 29, 2017, and a proposed commercial operation date of May 1, 2026. Its interconnection status is currently in the Facility Study phase.

The proposed project is linked to the existing Flint Mine Solar operating plant (EIA ID 67090). Recent news coverage indicates activity related to the project in both regulatory and industry contexts.

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.

Available on the InfraSure platform

See the full development-risk decomposition for this project.

P(COD by stated date)
Withdrawal probability vs cohort
IA cluster risk
Project Details

State

NY

County

Greene

Grid Region

NYISO (New York)

Market

ISO/RTO Member

Developer

Flint Mine Solar LLC

Utility

NM-NG

Entity

NYISO

Service Type

Point of Interconnection

LaFarge - Pleasant Valley 115kV, Feura Bush - North Catskill 115kV

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
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.

Available on the InfraSure platform

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.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

Revenue conditioned on COD
Financing close risk
Cohort DSCR comparison
Market Context
Approximate
ISO / RTO
NYISO
Trading Hub
NYISO Zone F
Hub Confidence
MEDIUM
Nearest Node (Estimated)
23668
POI Substation
ATHENS_STG_1

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.