Ashby Duffy CSG Solar Farm

OperatingSolar

Ranked #383 of 522 Solar plants in MA#6085 of 7790 nationally

1.8 MW Solar operating in Middlesex, MA — ISO New England Inc.

EIAGEMWD

1.8 MW

Nameplate Capacity

Generators

unit

Solar Photovoltaic

Technology

2017

Operating Since

Location

Coordinates

42.6801, -71.8352

County

Middlesex, MA

Nearby Plants

Ashby Solar, LLC CSG
Solar1.8 MW · 6.3 km
Ashburnham Energy Storage Project
BESS3 MW · 7.5 km
Fitchburg Renewables
Solar4 MW · 9.1 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	LSE Cassiopeia LLC	LSE Cassiopeia	—
Owner(s)	LSE Cassiopeia LLC	—	—
Status	Operating	operating	—

Ownership Chain

No GEM tracker match for this plant — ownership chain unavailable.

About

The Ashby Duffy CSG Solar Farm is a 1.8 MW solar photovoltaic power plant located in Middlesex County, Massachusetts. The plant began operating in 2017 and is owned and operated by LSE Cassiopeia LLC. It consists of a single generator utilizing fixed-tilt solar tracking technology.

The plant's latest annual generation was 3,178 MWh, resulting in a capacity factor of 20.1%. Ashby Duffy CSG Solar Farm operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. It is ranked as the 301st largest solar plant in Massachusetts out of 435, and 5479th nationally out of 7108.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Wikidata Global Energy Monitor

Engineering & Generators

Grid Context

ISO/RTO

ISO-NE

Market

ISO/RTO Member

NERC Region

NPCC — Northeast Power Coordinating Council

Balancing Authority

Generation

150 MWh

Latest Month

3.2K MWh

Annual Generation

20.1%

Capacity Factor

Jan 2022 – Dec 2024

Financial Data

OEDI SolarOEDI Solar Market ValuesHIGH

Data from 2018–2024

Construction CostOperating CostPricing & Revenue

$31.6/MWh

Energy Value

$3.1/MWh

Capacity Value

Pricing & Market Data

LOW confidence

Point of Interconnection

Nearest Substation

West Townsend Substation · 69 kV

Substation Distance

< 10 km

Operator

Unitil

Coord Source

OSM spatial

Market Position

ISO/RTO Market

ISO-NE

LMP Node

—

Pricing Hub

.H.INTERNAL_HUB

Node Source

OSM spatial match

Substation identified. Node ID not yet resolved against ISO roster.

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Ashby Duffy CSG Solar Farm — Plant Summary

Ashby Duffy CSG Solar Farm

Ownership Chain