Alta Farms II Wind Project, LLC — Plant Summary
- EIA Plant ID
- 64088
- Capacity
- 200.5 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- DeWitt, IL
- Operating Since
- 2023
- Generators
- 1
- Operator
- Alta Farms II Wind Project, LLC
- Parent Company
- Enel
- Annual Generation
- 545,768 MWh
- Capacity Factor
- 31.1%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- SERC
Alta Farms II Wind Project, LLC
OperatingWind
Ranked #20 of 61 Wind plants in IL#296 of 1442 nationally
200.5 MW Wind operating in DeWitt, IL — PJM Interconnection, LLC
EIAGEM
200.5 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2023
Operating Since
Location
Coordinates
48.6462, -98.2827
County
DeWitt, IL
Nearby Plants
- Langdon Renewables, LLCWind118.5 MW · 3.0 km
- Langdon Wind Energy CenterWind40.5 MW · 3.1 km
- Langdon Wind II LLCWind40.5 MW · 3.1 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Alta Farms II Wind Project, LLC | Enel Green Power | — |
| Owner(s) | Alta Farms II Wind Project, LLC | Enel | — |
| Status | Operating | operating | — |
Ownership Chain
About
The Alta Farms II Wind Project, LLC is a 200.5 MW wind power plant located in DeWitt County, Illinois. The plant began operating in 2023 and is owned and operated by Alta Farms II Wind Project, LLC, a subsidiary of the Italian energy company Enel. It consists of a single generator utilizing onshore wind turbine technology. The facility uses Siemens Gamesa Renewable Energy SG-4.5-145 wind turbines, which have a rotor diameter of 145 meters and a hub height of 107.5 meters.
In its most recent year of operation, the plant generated 545,768 MWh of electricity, achieving a capacity factor of 31.1%. The Alta Farms II Wind Project operates within the PJM Interconnection, LLC balancing authority and the SERC NERC region. It is ranked as the 19th largest wind farm in Illinois out of 44, and 291st nationally out of 734 wind plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
Alta Farms II
OperationalWind197 MWPJM
Generation
64.5K MWh
Latest Month
545.8K MWh
Annual Generation
31.1%
Capacity Factor
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidenceMarket Position
ISO/RTO Market
PJM
LMP Node
ALTAFARM34.5 KV AFARMWF
Pricing Hub
N ILLINOIS HUB
Location Type
Generation Node
Node Source
Curated node match
News & Articles (2)Beta
Grid·capacity addition
Enel Green Power pairs renewable energy with storage, adding grid resiliency in Texas
Enel Green Power North America has begun operating two new clean power plants, including its first renewables-plus-storage hybrid project.
Enel Green Power North America (operator)
Enel Green Power·4 years ago
Grid·capacity addition
ENEL GREEN POWER NORTH AMERICA ANNOUNCES CONSTRUCTION OF 1.5 GW OF NEW RENEWABLES + 319 MW OF STORAGE CAPACITY IN THE US
ENEL GREEN POWER NORTH AMERICA ANNOUNCES CONSTRUCTION OF 1.5 GW OF NEW RENEWABLES + 319 MW OF STORAGE CAPACITY IN THE US.
ENEL GREEN POWER NORTH AMERICA (operator)
POWER Magazine·4 years ago
Last updated 2026-03-14
View all articles