Norman Street Battery Storage (ISO-NE-1110) — Project Summary

Queue ID
ISO-NE-1110
Capacity
204 MW
Technology
Battery
Status
active
Location
Middlesex, MA
Region
ISO-NE
Developer
IA Status
IA Executed

Norman Street Battery Storage

ISO-NE-1110BetaActiveBatteryISO-NELBNL + Live

204 MW storage in Middlesex, MA · In queue since March 2021 · Proposed COD March 2028

BA: ISISO/RTO: ISONENERC: NPCCRC: ISNE

204 MW

Capacity

1

Components

Battery

5y 4m

In Queue

IA Executed

IA Phase

Signed Oct 2023

Interconnection

Queue → IA

2y 7m

IA → COD

4y 5m

Total Duration

2y 7m

Construction75%
Queue EntryMar 18, 2021

Interconnection request submitted to ISO/RTO

TCS Study

ISO-NE is transitioning to cluster studies per FERC Order 2023.

Typical: 25–30 months (recent)

Interconnection AgreementOct 24, 2023

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2028-03-18

Cross-source intelligence
Beta
Low confidence·0 sources·as of 2026-06-01
Expected COD
2028-03-18
From queue filing
Developer
Status
IA Executed
IA Executed — interconnection agreement signed October 2023, project remains in active queue with no public construction timeline announced
Financing
Unannounced
Key milestones
IA executedOct 24, 2023Most recent

Interconnection Agreement executed with ISO-NE

About

The Norman Street Battery Storage project is a proposed 204 MW battery storage project located in Middlesex County, Massachusetts. The project is in the ISO-NE interconnection queue as entry ISO-NE-1110, with a queue entry date of March 18, 2021, and a proposed commercial operation date of March 18, 2028. The interconnection agreement for the project has been executed.

The project, which is being developed within the ISO-NE service area, consists of 204 MW of battery storage. The point of interconnection is at Mystic 115kV. The project has appeared in recent news coverage.

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

MA

County

Middlesex

Grid Region

ISO New England

Market

ISO/RTO Member

Developer

Utility

Entity

ISO-NE

Service Type

NRIS

Point of Interconnection

Mystic 115kV

Data Source

LBNL + Live

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
ISO-NE
Trading Hub
.H.INTERNAL_HUB
Hub Confidence
HIGH
Nearest Node (Estimated)
LD.MYSTC_NU34.5
POI Substation
Mystic Substation

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.