Marston Mills Solar

OperatingBESSSolarHybrid

Ranked #24 of 522 Solar plants in MA#2329 of 7790 nationally

8 MW Batteries (3 MW) + Solar Photovoltaic (5 MW) operating in Barnstable, MA — ISO New England Inc.

EIAGEM

8 MW

Nameplate Capacity

Generators

units

Hybrid (2)

Technology

Batteries + Solar Photovoltaic

2021

Operating Since

Location

Coordinates

41.6633, -70.3989

County

Barnstable, MA

Nearby Plants

Burns Road Solar
Solar3.2 MW · 0.1 km
Barnstable Landfill
Solar4 MW · 0.5 km
TJA MA Wakeby Road
Solar5 MW · 4.5 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	SoCore Energy LLC	—	—
Owner(s)	SoCore Energy LLC	—	—
Status	Operating	operating	—

Ownership Chain

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

About

Marston Mills Solar is a 5 MW solar photovoltaic power plant located in Barnstable County, Massachusetts. The plant began operating in 2021 and is owned and operated by SoCore Energy LLC. It consists of a single generator utilizing fixed-tilt solar tracking technology. The plant is connected to the ISO New England Inc. balancing authority and is within the Northeast Power Coordinating Council (NPCC) NERC region.

In its most recent year of operation, Marston Mills Solar generated 5,703 MWh of electricity, achieving a capacity factor of 13.0%. The plant is the 21st largest solar facility in Massachusetts out of 435, and ranks 2531st nationally out of 7108 solar plants. The plant's primary fuel source is solar energy.

Generated from EIA, GEM, and public data sources

EIA Plant Profile 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

226 MWh

Latest Month

5.7K MWh

Annual Generation

13.0%

Capacity Factor

Financial Data

EIA Avg CostEIA Construction Cost AveragesMEDIUM

2021

Construction CostOperating CostPricing & Revenue

$1,796/kW

Est. Construction Cost

Total estimated cost: $14.4M

Technology Average·Based on EIA averages — not plant-specific financial reports

Pricing & Market Data

MEDIUM confidence

Market Position

ISO/RTO Market

ISO-NE

LMP Node

LD.OAK_ST 23

Pricing Hub

.H.INTERNAL_HUB

Location Type

NETWORK NODE

Node Source

Curated node match

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Briefing

Ip Roman llc

Data-driven briefing on Ma — fleet, generation, financial, and news signals.

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Data

Solar queue projects by ISO region

Data tables and metrics from the powerplantsinfo.org database.

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