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8 MW Batteries (3 MW) + Solar Photovoltaic (5 MW) operating in Essex, MA
8 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2018
Operating Since
Coordinates
42.5825, -70.9967
County
Essex, MA
Nearby Plants
Forward-looking, asset-specific exposure analytics combining climate hazards, generation variability, and counterparty risk into a single decision-grade view. Powered by InfraRisk.
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Novis Renewables, LLC | HG Solar Development | — |
| Owner(s) | HG Solar Development, LLC | — | — |
| Status | Operating | operating | — |
Middleton Solar Park is an 8 MW hybrid power plant located in Essex County, Massachusetts. The facility, which began operating in 2018, is owned and operated by HG Solar Development, LLC. The plant utilizes solar photovoltaic technology and also incorporates battery storage. It consists of two generators and has a 6.6 MWh battery energy storage system (BESS) with a duration of 2.2 hours, using lithium-ion battery chemistry. The solar array employs a fixed-tilt tracking system.
The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In its most recent year of operation, Middleton Solar Park generated 6,808 MWh of electricity, resulting in a capacity factor of 9.7%. Financial data indicates that the plant's performance is tracked by Lawrence Berkeley National Laboratory (LBNL) solar energy research. Middleton Solar Park is ranked as the 34th largest solar facility in Massachusetts out of 126, and 887th nationally out of 1205 facilities.
Generated from EIA, GEM, and public data sources
ISO/RTO
ISO-NE
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
ISO New England Inc. (ISNE)
Grid Voltage
23.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
—
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
272 MWh
Latest Month
6.8K MWh
Annual Generation
9.7%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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Historic financial signal for this asset — PPA, LCOE, market value where reported. The base for forward bankability and insurance analytics on the InfraSure platform.
Data from 2018–2024
$31.6/MWh
Energy Value
$4.2/MWh
Capacity Value
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
ISO-NE
LMP Node
LD.S_DANVRS115
Pricing Hub
.H.INTERNAL_HUB
Location Type
NETWORK NODE
Node Source
Curated node match
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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Forward forecasts, scenario decomposition, and risk-decision tooling for this asset.