This week, we saw the following updates to U.S. transmission grid interconnection projects. For access to our live dataset, contact our sales team here.
La Pine - Chiloquin No 1 line. — 1000MW battery + solar 🔋☀️ project in Klamath County, OR (West). Proposed completion changed from November 30, 2023 to December 31, 2026
Axis Ridge Wind — 750MW wind 💨 project in Sutton, TX (ERCOT). Proposed completion changed from June 30, 2030 to January 30, 2029
Pinnington Storage — 508MW battery 🔋 project in Jack, TX (ERCOT). Proposed completion changed from October 14, 2025 to April 29, 2026
Tehuacana Creek Solar SLF — 505MW solar ☀️ project in Navarro, TX (ERCOT). IA date added November 24, 2024
BRP Artemis BESS — 411MW battery 🔋 project in Grimes, TX (ERCOT). Proposed completion changed from May 31, 2025 to November 30, 2028
HyFuels Green Lake Solar — 346MW solar ☀️ project in Victoria, TX (ERCOT). Proposed completion changed from September 30, 2026 to November 30, 2027
Three Canes Solar SLF — 333MW solar ☀️ project in Navarro, TX (ERCOT). IA date added November 26, 2024
Quantum Storage — 321MW battery 🔋 project in Haskell, TX (ERCOT). IA date added October 25, 2023
Tyler BESS — 305MW battery 🔋 project in Smith, TX (ERCOT). Proposed completion changed from September 20, 2026 to June 29, 2027
Yellow Cat Wind — 301MW wind 💨 project in Navarro, TX (ERCOT). Proposed completion changed from March 30, 2026 to September 29, 2026
PP Jaguar Solar — 300MW solar ☀️ project in Mclennan, TX (ERCOT). Proposed completion changed from May 31, 2026 to February 10, 2027
Inadale BESS — 286MW battery 🔋 project in Scurry, TX (ERCOT). Proposed completion changed from December 14, 2026 to July 28, 2027
Inadale Solar — 281MW solar ☀️ project in Scurry, TX (ERCOT). Proposed completion changed from December 14, 2026 to July 28, 2027
Sentinel Solar — 271MW solar ☀️ project in La Salle, TX (ERCOT). Proposed completion changed from December 22, 2027 to January 23, 2029
Santa Garcias Solar — 265MW solar ☀️ project in Kleberg, TX (ERCOT). Proposed completion changed from May 30, 2026 to January 31, 2029
Mystic Springs Renewable Energy Solar SLF — 258MW solar ☀️ project in Kaufman, TX (ERCOT). Proposed completion changed from September 13, 2026 to August 30, 2027
Bell County Morgan Storage — 256MW battery 🔋 project in Bell, TX (ERCOT). Proposed completion changed from September 30, 2026 to March 31, 2028
Nautilus Heavy Storage — 256MW battery 🔋 project in San Patricio, TX (ERCOT). Proposed completion changed from May 29, 2026 to December 30, 2027
HyFuels Western Farmland Wind — 253MW wind 💨 project in Victoria, TX (ERCOT). Proposed completion changed from April 1, 2026 to June 29, 2027
Adamstown Solar — 251MW solar ☀️ project in Wichita, TX (ERCOT). Proposed completion changed from September 29, 2026 to August 30, 2027
August Draw Energy — 250MW solar ☀️ project in Reeves, TX (ERCOT). Proposed completion changed from July 30, 2027 to June 26, 2028
Taylor Creek, Marysville-Gunn Road 345 kV — 250MW solar ☀️ project in Hardin County, OH (PJM). Proposed completion changed from December 3, 2023 to March 30, 2028
Coyote Wind — 242MW wind 💨 project in Scurry, TX (ERCOT). Proposed completion changed from June 30, 2024 to January 30, 2025
Cumulus Grid BESS — 210MW battery 🔋 project in Ellis, TX (ERCOT). Proposed completion changed from May 31, 2027 to December 31, 2027
SOHO BESS — 206MW battery 🔋 project in Brazoria, TX (ERCOT). Proposed completion changed from June 27, 2025 to August 3, 2026
Hamlet Solar — 204MW solar ☀️ project in Frio, TX (ERCOT). Proposed completion changed from August 31, 2027 to September 4, 2028
Hamlet Storage — 204MW battery 🔋 project in Frio, TX (ERCOT). Proposed completion changed from August 31, 2027 to September 4, 2028
Ceres BESS — 202MW battery 🔋 project in Hunt, TX (ERCOT). Proposed completion changed from December 30, 2026 to November 29, 2027
Elbus BESS, BRP Elbus BESS — 200MW battery 🔋 project in Caldwell, TX (ERCOT). Proposed completion changed from November 30, 2026 to November 30, 2027
APV Plumwood Storage — 200MW battery 🔋 project in Chambers, TX (ERCOT). IA date added September 2, 2024
DESERT JEWEL STORAGE — 200MW battery 🔋 project in San Diego, CA (CAISO). Proposed completion changed from October 29, 2025 to February 4, 2029
Cascabel Wind 2 — 197MW wind 💨 project in Zapata, TX (ERCOT). Proposed completion changed from November 30, 2026 to November 30, 2027
Camino Santiago Solar — 196MW solar ☀️ project in Milam, TX (ERCOT). IA date added December 5, 2024
Corralitos Wind 1 — 196MW wind 💨 project in Zapata, TX (ERCOT). Proposed completion changed from November 30, 2026 to November 30, 2027
Corralitos Wind 2 — 195MW wind 💨 project in Zapata, TX (ERCOT). Proposed completion changed from December 30, 2024 to December 30, 2027
Basketflower Solar — 183MW solar ☀️ project in Eastland, TX (ERCOT). Proposed completion changed from December 30, 2026 to December 30, 2027
Hofbrau BESS — 180MW battery 🔋 project in Tom Green, TX (ERCOT). Proposed completion changed from May 4, 2026 to June 30, 2028
Sculpin Solar, Varner - Sowers 138 kV — 180MW solar ☀️ project in Dekalb County, IN (PJM). Proposed completion changed from May 31, 2023 to November 29, 2027
Saddle Horn Station BESS SLF — 177MW battery 🔋 project in Comanche, TX (ERCOT). Proposed completion changed from May 31, 2027 to April 9, 2028
Saddle Horn Station Solar SLF — 174MW solar ☀️ project in Comanche, TX (ERCOT). Proposed completion changed from May 31, 2027 to April 9, 2028
Sullivan Solar — 171MW solar ☀️ project in Hidalgo, TX (ERCOT). Proposed completion changed from December 30, 2027 to February 24, 2029
Houston IV BESS — 168MW battery 🔋 project in Harris, TX (ERCOT). IA date added November 6, 2024
Fagus Solar Park 1 SLF — 166MW solar ☀️ project in Childress, TX (ERCOT). Proposed completion changed from May 14, 2025 to February 10, 2026
Albatross BESS 2 — 159MW battery 🔋 project in Mclennan, TX (ERCOT). Proposed completion changed from August 29, 2025 to February 21, 2028
Cartwheel BESS 2 — 156MW battery 🔋 project in Hopkins, TX (ERCOT). Proposed completion changed from June 14, 2025 to June 14, 2026
Antonio Road BESS — 155MW battery 🔋 project in Bastrop, TX (ERCOT). Proposed completion changed from May 11, 2026 to May 31, 2027
Eighteenmile Solar SLF — 153MW solar ☀️ project in Goliad, TX (ERCOT). Proposed completion changed from September 1, 2025 to November 30, 2026
Rigel Storage — 151MW battery 🔋 project in Ellis, TX (ERCOT). Proposed completion changed from June 30, 2027 to October 29, 2028
Rigel Solar — 151MW solar ☀️ project in Ellis, TX (ERCOT). Proposed completion changed from June 30, 2027 to October 29, 2028
Padua Grid BESS Unit 2 — 150MW battery 🔋 project in Bexar, TX (ERCOT). Proposed completion changed from December 31, 2025 to August 30, 2026
Stewart Grady BESS — 150MW battery 🔋 project in Martin, TX (ERCOT). Proposed completion changed from September 14, 2026 to August 14, 2027
CH Solterra LLC — 143MW solar ☀️ project in Hopkins, TX (ERCOT). Proposed completion changed from September 16, 2025 to September 29, 2026
Demeter Storage 2 — 138MW battery 🔋 project in Caldwell, TX (ERCOT). Proposed completion changed from March 27, 2026 to December 30, 2026
Northington Solar — 129MW solar ☀️ project in Wharton, TX (ERCOT). Proposed completion changed from November 30, 2026 to July 14, 2027
Star Dairy Solar — 125MW solar ☀️ project in Lamar, TX (ERCOT). IA date added December 8, 2024
Nymphaea Solar — 120MW solar ☀️ project in Wichita, TX (ERCOT). Proposed completion changed from December 20, 2025 to June 29, 2027
Harlingen III BESS — 110MW battery 🔋 project in Cameron, TX (ERCOT). Proposed completion changed from August 14, 2026 to June 30, 2027
Big River Solar — 104MW solar ☀️ project in Zapata, TX (ERCOT). Proposed completion changed from December 30, 2026 to December 30, 2028
Big Five Storage — 102MW battery 🔋 project in Hidalgo, TX (ERCOT). Proposed completion changed from December 29, 2025 to June 29, 2026
Remy Jade III Power Station — 102MW gas 🔥 project in Harris, TX (ERCOT). Proposed completion changed from December 5, 2025 to January 15, 2027
Kennedy Solar — 101MW solar ☀️ project in Navarro, TX (ERCOT). Proposed completion changed from November 9, 2025 to December 30, 2028
Matagorda Solar — 101MW solar ☀️ project in Matagorda, TX (ERCOT). Proposed completion changed from December 26, 2025 to August 23, 2026
Myers Solar — 100MW solar ☀️ project in Bee, TX (ERCOT). Proposed completion changed from August 31, 2026 to June 30, 2028
Big Elm Storage — 100MW battery 🔋 project in Bell, TX (ERCOT). Proposed completion changed from November 9, 2025 to August 14, 2026
Hana Springs BESS — 100MW battery 🔋 project in Lampasas, TX (ERCOT). Proposed completion changed from May 30, 2025 to December 14, 2027
Rutile BESS — 100MW battery 🔋 project in Runnels, TX (ERCOT). Proposed completion changed from December 30, 2025 to March 30, 2028
BRP Diran BESS — 100MW battery 🔋 project in Wharton, TX (ERCOT). Proposed completion changed from December 31, 2028 to January 30, 2028
GALVANIC BESS — 100MW battery 🔋 project in Kinney, TX (ERCOT). Proposed completion changed from November 29, 2025 to December 29, 2026
Blue Summit Energy Storage — 100MW battery 🔋 project in Wilbarger, TX (ERCOT). IA date added February 21, 2012
Velado Solar — 96MW solar ☀️ project in Dimmit, TX (ERCOT). Proposed completion changed from September 14, 2027 to September 13, 2028
Velado Storage — 96MW battery 🔋 project in Dimmit, TX (ERCOT). Proposed completion changed from September 14, 2027 to September 13, 2028
Basketflower Storage — 92MW battery 🔋 project in Eastland, TX (ERCOT). Proposed completion changed from December 30, 2026 to December 30, 2027
The Distribution Provider’s La Fresa - Torrance 66 kV line — 87MW battery 🔋 project in Los Angeles, CA (CAISO). Proposed completion changed from August 29, 2024 to November 30, 2028
HappyDogSolar — 85MW solar ☀️ project in Milam, TX (ERCOT). IA date added December 15, 2024
SERENGETI SOLAR — 76MW solar ☀️ project in Delta, TX (ERCOT). Proposed completion changed from September 13, 2026 to September 12, 2027
Myers Storage — 75MW battery 🔋 project in Bee, TX (ERCOT). Proposed completion changed from August 31, 2026 to June 30, 2028
Sullivan BESS — 72MW battery 🔋 project in Hidalgo, TX (ERCOT). Proposed completion changed from December 30, 2027 to February 24, 2029
Hamby Solar — 71MW solar ☀️ project in Jones, TX (ERCOT). Proposed completion changed from May 29, 2026 to June 26, 2028
Starling Storage — 63MW battery 🔋 project in Gonzales, TX (ERCOT). IA date added August 2, 2023
Nymphaea Storage — 61MW battery 🔋 project in Wichita, TX (ERCOT). Proposed completion changed from December 20, 2025 to June 29, 2027
Happy Dog Storage — 60MW battery 🔋 project in Milam, TX (ERCOT). IA date added December 15, 2024
Albatross BESS — 50MW battery 🔋 project in Mclennan, TX (ERCOT). Proposed completion changed from August 29, 2025 to February 21, 2028
Pamplona Solar — 42MW solar ☀️ project in Austin, TX (ERCOT). Proposed completion changed from October 25, 2027 to October 16, 2028
La Mancha Solar — 40MW solar ☀️ project in Zavala, TX (ERCOT). Proposed completion changed from October 7, 2027 to October 9, 2028
La Mancha Storage — 40MW battery 🔋 project in Zavala, TX (ERCOT). Proposed completion changed from October 7, 2027 to October 9, 2028
Kennedy Storage — 25MW battery 🔋 project in Navarro, TX (ERCOT). Proposed completion changed from November 9, 2025 to December 30, 2028
Hovey Energy Storage — 23MW battery 🔋 project in Pecos, TX (ERCOT). Proposed completion changed from December 30, 2025 to December 30, 2026
MULQUEENEY RANCH WIND — 20MW wind 💨 project in Alameda, CA (CAISO). Proposed completion changed from November 29, 2024 to May 31, 2026
Confer Solar I — 20MW solar ☀️ project in Centre County, PA (PJM). Proposed completion changed from June 29, 2025 to May 29, 2026
UN-Kylertown — 20MW solar ☀️ project in Westmoreland County, PA (PJM). Proposed completion changed from September 29, 2021 to October 15, 2025
Boyles Run Solar, Sunbury-Dalmatia 69 kV — 15MW solar ☀️ project in Northumberland County, PA (PJM). Proposed completion changed from July 31, 2022 to April 29, 2027
Boyles Run Solar, Sunbury-Dalmatia 69 kV — 15MW solar ☀️ project in Northumberland County, PA (PJM). Proposed completion changed from July 31, 2023 to April 29, 2027
Cedar Lane Solar — 4MW solar ☀️ project in Queen Annes County, MD (PJM). Proposed completion changed from February 29, 2024 to March 31, 2026
Eighteenmile Storage SLF — battery 🔋 project in Goliad, TX (ERCOT). Proposed completion changed from September 1, 2025 to November 30, 2026
Mystic Springs Renewable Energy Storage SLF — battery 🔋 project in Kaufman, TX (ERCOT). Proposed completion changed from September 13, 2026 to August 30, 2027
Tehuacana Creek BESS SLF — battery 🔋 project in Navarro, TX (ERCOT). IA date added November 24, 2024
