United States › Grid › Interconnection queues
OCTARY USA · INTERCONNECTION QUEUESInterconnection queue in the USA (2024 requests)
Before a new power plant or battery can connect to the US grid, it joins a queue for studies and an interconnection agreement. Most requests never get built. This shows every request: active, built and withdrawn.
Requests shown1,283285.2 GW
Active in queue285.2 GW1,283 requests
Agreement signed30.3 GW117 requests
Withdrawn1,313251.4 GW never built
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In studyAgreement signedUnder constructionBuiltSuspendedWithdrawn
Requests
1,283 requests · page 1 of 26
| Project | Capacity | Status |
|---|---|---|
| Solar + storage project Q2409, Navajo County Solar + storage |
2,626 MW | In study |
| Smarr CC Gas |
2,000 MW | In study |
| Gas project 628, Todd County Gas |
1,600 MW | In study |
| Gas project 620, Trousdale County Gas |
1,600 MW | In study |
| Aegle Power Gas · Aegle Power LLC |
1,536 MW | In study |
| Gas project 958347, Person County Gas · Duke Energy Progress, LLC |
1,455 MW | In study |
| Gas project J3799, Livingston County Gas |
1,452 MW | In study |
| Gas project 957264, Anderson County Gas |
1,450 MW | In study |
| Vineyard Mid-Atlantic West Offshore wind · Vineyard Mid-Atlantic LLC |
1,321 MW | In study |
| Bluepoint Wind 1 Offshore wind · Bluepoint Wind LLC |
1,310 MW | In study |
| Other project Q572, Riverside County Other |
1,300 MW | In study |
| Sandow Lakes Energy Station Gas · SL Energy Power Plant I, LLC |
1,292 MW | In study |
| Replacing 464.5 MW Steam/Gas with 97.8 MW Steam; DOW Chem Gas |
1,232 MW | In study |
| Corvette Wind Onshore wind |
1,200 MW | Paused / redesign |
| Replacement; Oak Creek Units 5-8 Gas |
1,138 MW | In study |
| Bastrop Peaking Generators (TEF-Due Diligence) Gas · MPH Bastrop Peakers, LLC |
1,104 MW | Agreement signed |
| Zeus Armstrong BESS Solar + storage · Armstrong BESS, LLC |
1,043 MW | In study |
| Zeus Mitchell BESS Solar + storage · Mitchell BESS |
1,043 MW | In study |
| Replacing 1014.7 MW of coal generation with Gas/Steam; Cayuga CC1 CC2 Gas |
1,040 MW | In study |
| EmberGreen Gas · EmberGreen Energy Center |
1,036 MW | In study |
| Battery storage project Q2405, Maricopa County Battery storage |
1,020 MW | In study |
| Gas project IC-1254b, Heard County Gas |
1,003 MW | Agreement signed |
| Gas project IC-1254a, Heard County Gas |
1,003 MW | Agreement signed |
| Battery storage project Q112, San Bernardino County Battery storage |
1,000 MW | In study |
| Zeus Spade Wind Wind + storage · Spade Wind, LLC |
987 MW | In study |
| EmberYork Gas · EmberYork Energy Center |
900 MW | Agreement signed |
| Fierce River Solar Solar + storage · Rio Grande Solar LLC |
896 MW | In study |
| West Royal Natural Gas (TEF-Due Diligence) Gas · Invenergy Energy Transition Development LLC |
888 MW | In study |
| Solar + storage project Q2417, Maricopa County Solar + storage |
843 MW | In study |
| Replacing 864 MW of coal with Natural Gas Generators; Castle Bluff Gas |
824 MW | In study |
| Solar + storage project Q2412, Navajo County Solar + storage |
822 MW | In study |
| Zeus Mitchell Solar Solar + storage · Mitchell Solar, LLC |
805 MW | In study |
| Gas project 174, Pima County Gas |
800 MW | In study |
| Gas project 618, Stewart County Gas |
800 MW | In study |
| Gas project 622, Trousdale County Gas |
800 MW | In study |
| Indigo Solar 3 Solar · Indigo solar 3 |
800 MW | In study |
| Flint River 780 MW Unit Gas |
780 MW | In study |
| Gas project J3829, Hot Spring County Gas |
770 MW | In study |
| Gas project J3874, Union County Gas |
770 MW | In study |
| Axis Ridge Wind Onshore wind · Axis Ridge Wind, LLC |
750 MW | In study |
| Central Power Station Gas · Hydra-Gen Energy Unlimited |
750 MW | In study |
| Gas project GEN-2024-082, Williams County Gas |
745 MW | In study |
| Gas project GEN-2024-081, Williams County Gas |
745 MW | In study |
| Replacing 722 MW Coal with 285 MW of Battery and 437MW of Gas; Schahfer Gas |
733 MW | In study |
| Gas project IC-1255, Bartow County Gas |
722 MW | Agreement signed |
| Gas project IC-1257, Bartow County Gas |
722 MW | Agreement signed |
| Gas project IC-1256, Bartow County Gas |
722 MW | Agreement signed |
| Gas project IC-1260, Effingham County Gas |
722 MW | In study |
| Gas project IC-1264, Heard County Gas |
722 MW | Agreement signed |
| Gas project IC-1258, Bartow County Gas |
722 MW | Agreement signed |
Page 1 of 26
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Capacity in the queue by state
Click a state to drill down.
By grid region
ISO/RTO markets and the non-ISO West and Southeast.
- ERCOT (Texas)436 · 104.7 GW
- MISO (Midcontinent)290 · 62.9 GW
- West (non-ISO utilities)192 · 45.5 GW
- Southeast (non-ISO utilities)178 · 35.0 GW
- SPP (Southwest Power Pool)81 · 18.0 GW
- NYISO (New York)89 · 15.6 GW
- ISO-NE (New England)15 · 3,285 MW
- PJM (Mid-Atlantic, Midwest)2 · 95.0 MW
Requests by year joined
Capacity of requests in this view, by the year they entered the queue. Click a year.
20102025
Source: Rand, J. et al., Queued Up, Lawrence Berkeley National Laboratory, data through end of 2025. Compiled from the queues of the 7 ISO/RTOs and dozens of non-ISO utilities. A request is a proposal to connect, not a commitment to build: historically most are withdrawn. Capacity is the requested interconnection size; hybrids include the storage component. Transmission lines · Planned power plants (EIA)