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20 MW BESS operating in Rensselaer, NY — New York Independent System Operator
20 MW
Nameplate Capacity
1
Generators
unit
Flywheels
Technology
2011
Operating Since
Coordinates
42.5563, -73.3771
County
Rensselaer, NY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Convergent Energy and Power LP | — | — |
| Owner(s) | Stephentown Spindle, LLC | — | — |
| Status | Operating | — | — |
The Stephentown Spindle is a 20 MW flywheel energy storage facility located in Rensselaer County, New York. The plant, which began operating in 2011, is owned and operated by Convergent Energy and Power LP. It is the 11th largest energy storage plant in New York state out of 65, and ranks 696th nationally out of 1205 similar facilities. The plant has one generator.
The facility's primary fuel source is listed as MWH (megawatt-hours), indicating it stores and discharges electricity rather than consuming a traditional fuel. The Stephentown Spindle operates within the New York Independent System Operator (NYISO) balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.
Generated from EIA, GEM, and public data sources
ISO/RTO
NYISO
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
−308 MWh
Net Charging
-3.5K MWh
Annual Net Energy
-2.0%
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.
2013
$913/kW
Est. Construction Cost
Total estimated cost: $18.3M
Point of Interconnection
Nearest Substation
BEACON___LESR
Substation Distance
< 10 km
Coord Source
NYISO direct
Market Position
ISO/RTO Market
NYISO
LMP Node
BEACON__LESR
Pricing Hub
NYISO Zone F
Node Source
Shared substation inference
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ask pi about Stephentown SpindleNew York Independent System Operator (NYIS)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP