Magruder BESS (NYISO-744) — Project Summary

Queue ID
NYISO-744
Capacity
20 MW
Technology
Battery
Status
active
Location
Ulster, NY
Region
NYISO
Developer
Mitchell Energy Facility, LLC
IA Status
Facility Study

Magruder BESS

NYISO-744BetaActiveBatteryNYISOLBNL

20 MW storage in Ulster, NY · In queue since July 2018 · Proposed COD April 2028

BA: NYISISO/RTO: NYISONERC: NPCCRC: NYIS

20 MW

Capacity

1

Components

Battery

8 years

In Queue

Facility Study

IA Phase

Signed Apr 2021

Interconnection

Queue → IA

2y 9m

IA → COD

7 years

Total Duration

2y 9m

Construction50%
Queue EntryJul 18, 2018

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 AgreementApr 6, 2021

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2028-04-01

About

The proposed Magruder BESS project is a 20 MW battery storage development in Ulster County, New York. Developed by Mitchell Energy Facility, LLC, the project is interconnected to the Central Hudson Gas & Electric (CHG&E) grid at the East Walden - Modena 115kV point of interconnection. It is listed in the New York Independent System Operator (NYISO) interconnection queue as queue ID NYISO-744, with an entry date of July 18, 2018.

The project's proposed commercial operation date is January 1, 2025. As of the latest data, the project's interconnection agreement status is in the Facility Study phase. The Magruder BESS project has appeared in recent news coverage regarding energy storage projects in the state.

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

State

NY

County

Ulster

Grid Region

NYISO (New York)

Market

ISO/RTO Member

Developer

Mitchell Energy Facility, LLC

Utility

CHG&E

Entity

NYISO

Service Type

Point of Interconnection

East Walden - Modena 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.

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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.

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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
NYISO
Trading Hub
ZONE G
Hub Confidence
MEDIUM

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