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4 MW Batteries (2 MW) + Solar Photovoltaic (2 MW) operating in Rutland, VT
4 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2015
Operating Since
Coordinates
43.6194, -72.9503
County
Rutland, VT
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Green Mountain Power Corp | Green Mountain Power | — |
| Owner(s) | Green Mountain Power Corp | small shareholder(s) | — |
| Status | Operating | operating | — |
Stafford Hill Solar Hybrid is a 4 MW hybrid power plant located in Rutland County, Vermont. The plant, which began operating in 2015, is owned by small shareholder(s) and operated by Green Mountain Power Corp. It utilizes both solar photovoltaic technology and batteries, with two generators on site. The plant's battery energy storage system (BESS) has a capacity of 3.4 MWh and a duration of 1.7 hours, using lithium-ion battery chemistry (LIB). The solar array uses a fixed tilt tracking system. The plant is ranked 7th out of 8 power plants in Vermont, and 1025th out of 1205 nationally.
The plant's primary fuel is listed as MWH. In its latest year of generation data, Stafford Hill Solar Hybrid produced 566 MWh, resulting in a capacity factor of 1.6%. The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. Financial data indicates an installed cost of $6,826.4 per kW, according to FERC data.
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
12.4 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
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.
1 MWh
Net Discharge
566 MWh
Annual Net Energy
1.6%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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Data from 2016–2024
$31.4/MWh
Energy Value
$3.1/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.N_RUTLND46
Pricing Hub
.Z.VERMONT
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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