GridPlants

Power plants operated by Avangrid Power LLC

Avangrid Power LLC operates 72 power plants in the 2025 EIA-860 data, with 8,869 MW of nameplate capacity, the 26th-largest fleet among the 5,826 operators on file. They are spread over 21 states: Oregon, Texas, California and Minnesota and others. Wind is 88% of the capacity; the largest site is Karankawa Wind LLC. Its oldest working unit dates from 1999, at Phoenix Wind Power LLC. Units added from 2020 to 2025 total 1,799 MW.

  • Wind7,811 MW88%
  • Solar1,058 MW12%

Capacity by decade it came online

WindSolar

Above the line: capacity operating in 2025. Below: capacity retired at these plants.

1 GW2 GW3 GW1990s2000s2010s2020s0

Plants

PlantStateRuns onCapacityFirst unit
Karankawa Wind LLCTexasWind307 MW2019
La Joya NMNew MexicoWind306 MW2021
Blue Creek Wind ProjectOhioWind302 MW2011
Streator Cayuga Ridge SouthIllinoisWind300 MW2010
El Cabo WindNew MexicoWind298 MW2017
Klondike Windpower IIIOregonWind298 MW2007
True North Solar, LLCTexasSolar239 MW2024
Patriot Wind FarmTexasWind226 MW2019
Buffalo Ridge II LLCSouth DakotaWind210 MW2010
Desert Wind Farm, LLCNorth CarolinaWind208 MW2016
Penascal II Wind Project LLCTexasWind202 MW2010
Penascal Wind Power LLCTexasWind202 MW2009
Golden Hill WindOregonWind201 MW2022
Montague Wind Power Facility LLCOregonWind200 MW2019
Leaning Juniper Wind Power IIOregonWind199 MW2011
Big Horn Wind ProjectWashingtonWind199 MW2006
Manzana Wind LLCCaliforniaWind189 MW2012
Baffin WindTexasWind188 MW2014
Colorado Green Holdings LLCColoradoWind162 MW2003
Montague SolarOregonSolar162 MW2023
Barton Windpower LLCIowaWind158 MW2009
Daybreak SolarOregonSolar152 MW2025
Juniper Canyon I Wind ProjectWashingtonWind151 MW2011
Elk River WindKansasWind150 MW2005
Lund Hill SolarWashingtonSolar150 MW2022
MinnDakota Wind LLCMinnesotaWind150 MW2008
Otter Creek Wind Farm LLCIllinoisWind150 MW2020
Powell Creek SolarOhioSolar150 MW2025
Shiloh I Wind ProjectCaliforniaWind150 MW2006
Rugby Wind Power ProjectNorth DakotaWind149 MW2009
Elm Creek Wind II LLCMinnesotaWind149 MW2010
Farmers City Wind LLCMissouriWind146 MW2009
Tule Wind LLCCaliforniaWind143 MW2017
Barton Chapel Wind FarmTexasWind120 MW2009
Midland WindIllinoisWind106 MW2023
Locust Ridge II LLCPennsylvaniaWind102 MW2009
Hay Canyon Wind Power LLCOregonWind101 MW2009
Trimont Area Wind FarmMinnesotaWind100 MW2005
New Harvest Wind Project LLCIowaWind100 MW2011
Elm Creek Wind LLCMinnesotaWind99 MW2008
Pebble Springs Wind LLCOregonWind98.7 MW2009
Star Point Wind Project LLCOregonWind98.7 MW2010
Northern Iowa Windpower IIIowaWind80 MW2008
Roaring Brook, LLCNew YorkWind79.7 MW2021
Klondike Windpower IIOregonWind75 MW2005
Twin Buttes II WindColoradoWind75 MW2017
Twin Buttes Wind ProjectColoradoWind75 MW2007
Hardscrabble Wind Power LLCNew YorkWind74 MW2011
Providence Heights Wind LLCIllinoisWind72 MW2008
Dry Lake Wind LLCArizonaWind63 MW2009
Bakeoven SolarOregonSolar60 MW2023
Solar Star Oregon IIOregonSolar56.3 MW2017
Moraine Wind LLCMinnesotaWind51 MW2003
Buffalo Ridge I LLCSouth DakotaWind50.4 MW2009
South Chestnut LLCPennsylvaniaWind50.4 MW2012
Big Horn Wind IIWashingtonWind50 MW2011
Moraine II Wind LLCMinnesotaWind49.5 MW2009
Groton Wind LLCNew HampshireWind48 MW2012
Dillon Wind LLCCaliforniaWind45 MW2008
Camino Solar HybridCaliforniaSolar44 MW2025

Plus 12 smaller plants listed in the finder.