Maryneal Windpower — Plant Summary
- EIA Plant ID
- 62836
- Capacity
- 182.4 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Nolan, TX
- Operating Since
- 2021
- Generators
- 1
- Operator
- Duke Energy Renewables Services
- Parent Company
- Duke Energy
- Annual Generation
- 544,955 MWh
- Capacity Factor
- 34.1%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Maryneal Windpower
OperatingWind
Ranked #125 of 249 Wind plants in TX#400 of 1442 nationally
182.4 MW Wind operating in Nolan, TX — Electric Reliability Council of Texas, Inc.
EIAGEMWD
182.4 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2021
Operating Since
Location
Coordinates
32.2059, -100.4601
County
Nolan, TX
Nearby Plants
- Sweetwater Wind 5Wind80.5 MW · 3.4 km
- Sweetwater Wind 4 LLCWind241 MW · 10.2 km
- Sweetwater Wind 3 LLCWind135 MW · 12.7 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Duke Energy Renewables Services | Duke Energy | — |
| Owner(s) | Maryneal Windpower, LLC | Duke Energy | — |
| Status | Operating | operating | — |
Ownership Chain
About
Maryneal Windpower is a 182.4 MW wind power plant located in Nolan County, Texas. The plant began operating in 2021 and utilizes a single generator consisting of multiple onshore wind turbines. The facility is owned by Duke Energy, with Duke Energy Renewables Services listed as the operator. The plant's primary fuel source is wind (WND).
The wind farm uses Nordex N149/4.8 turbines, with a rotor diameter of 149 meters and a hub height of 108 meters. In its most recent year of operation, Maryneal Windpower generated 544,955 MWh of electricity, achieving a capacity factor of 34.1%. The plant operates within the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority and the TRE NERC region. Maryneal Windpower is ranked as the 122nd largest plant in Texas out of 200, and 395th nationally out of 734.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
47.3K MWh
Latest Month
545.0K MWh
Annual Generation
34.1%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidencePoint of Interconnection
Nearest Substation
Sweetwater Wind 5 Substation · 345 kV
Substation Distance
< 10 km
Operator
Leeward Renewable Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_WEST
Secondary Zone
LZ_WEST
Node Source
Shared substation inference
Substation identified. Node ID not yet resolved against ISO roster.
SWTWN4_WND45Nearby ISO Node
Nolan West SubstationSubstation
Nolan West 2 SubstationSubstation
News & Articles (8)Beta
Regulatory·ferc order
Duke Energy Progress, LLC, Duke Energy Carolinas, LLC; Notice of Application of Transfer of License and Soliciting Comments, Motions To Intervene, and Protests
Duke Energy Progress (other)Duke Energy Carolinas (other)
Federal Register (FERC)·1 weeks ago
Regulatory·permitting
Duke Energy Progress, LLC; Duke Energy Carolinas, LLC; Notice of Application of Transfer of License and Soliciting Comments, Motions To Intervene, and Protests
Duke Energy Progress (applicant)Duke Energy Carolinas (applicant)
Federal Register (FERC)·1 weeks ago
Regulatory·permitting
Duke Energy Carolinas, LLC; Notice of Application Accepted for Filing, Soliciting Motions To Intervene and Protests, Ready for Environmental Analysis, and Soliciting Comments, Recommendations, Terms and Conditions, and Prescriptions
Duke Energy Carolinas (other)
Federal Register (FERC)·3 weeks ago
Industry·corporate
Duke Solar Project In Texas Helps Austin With Its Climate Goals
Duke Energy is helping the city of Austin, Texas, meet its carbon-reduction goals by selling power from a solar farm that began commercial operation this week.
Duke Energy (other)Austin, Texas (buyer)
WFAE·4 years ago
Last updated 2026-03-25
View all 8 articles