Hydro withdrawn queue requests in the USA

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 This shows every request: active, built and withdrawn.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 shown22415.9 GW

Active in queue2,273 MW47 requests

Agreement signed402 MW22 requests

Withdrawn22415.9 GW never built

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Source: Lawrence Berkeley National Laboratory, Queued Up interconnection queue data (data through end of 2025). Map points are county centres, not exact sites.

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In studyAgreement signedUnder constructionBuiltSuspendedWithdrawn

Requests

224 requests · page 1 of 5

Project	Capacity	Status	Location	Region	Queued	Online
Eagle Mountain Pump Storage #3 Hydro	1,400 MW	Withdrawn / abandoned	Riverside, CA	CAISO	Mar 2011	target 2017
Eagle Mountain Pump Storage #2 Hydro	1,400 MW	Withdrawn / abandoned	Riverside, CA	CAISO	Feb 2010	target 2016
Hydro project Q499, Riverside County Hydro	1,300 MW	Withdrawn / abandoned	Riverside, CA	West	Mar 2023	target 2027
Eagle Mountain Pumped Storage Project Hydro	1,300 MW	Withdrawn / abandoned	Riverside, CA	CAISO	May 2008	target 2014
Hydro project U2-064, Sussex County Hydro	1,000 MW	Withdrawn / abandoned	Sussex, NJ	PJM	Jul 2008	target 2014
Riverbank Power J Hydro · Riverbank Power Corporation	1,000 MW	Withdrawn / abandoned	Queens, NY	NYISO	Mar 2008
Riverbank Power D2 Hydro · Riverbank Power Corporation	1,000 MW	Withdrawn / abandoned	St. Lawrence, NY	NYISO	Feb 2008
Hydro project G0502, Elmore County Hydro	600 MW	Withdrawn / abandoned	Elmore, ID	West	Nov 2014	target 2017
Hydro project 509, Klamath County Hydro · CBG Portland, LLC	600 MW	Withdrawn / abandoned	Klamath, OR	West	Aug 2013	target 2019
NY Hydro-Kinetic Project 1 Hydro · Hydroelectric Corporation	550 MW	Withdrawn / abandoned	Kings, NY	NYISO	Jan 2020
Hydro project AE1-058, Schuylkill County Hydro	500 MW	Withdrawn / abandoned	Schuylkill, PA	PJM	Jul 2018	target 2022
Hydro project AE2-135, Schuylkill County Hydro	500 MW	Withdrawn / abandoned	Schuylkill, PA	PJM	Mar 2019	target 2022
Hydro project I09, Bath County Hydro	252 MW	Withdrawn / abandoned	Bath, VA	PJM	May 2002	target 2009
Hydro project G0739, Lake County Hydro	212 MW	Withdrawn / abandoned	Lake, MT	West	Apr 2022	target 2024
Hydro project G130, Umatilla County Hydro	200 MW	Withdrawn / abandoned	Umatilla, OR	West	Apr 2004	target 2005
AREW Old Forge Hydro	200 MW	Withdrawn / abandoned	Luzerne, PA	PJM	Jul 2018	target 2027
Hydro project GEN-2008-095, Wilbarger County Hydro	200 MW	Withdrawn / abandoned	Wilbarger, TX	SPP	Aug 2008	target 2011
Hydro project 956469, Oconee County Hydro	192 MW	Withdrawn / abandoned	Oconee, SC	Southeast	Jun 2024
Hydro project 337, Washington County Hydro	174 MW	Withdrawn / abandoned	Washington, UT	West	Jun 2010	target 2005
NY Kinetic Plant 1 Hydro · Hydroelectric Corporation	144 MW	Withdrawn / abandoned	New York, NY	NYISO	Jul 2020
Hydro project O57, Fayette County Hydro	142 MW	Withdrawn / abandoned	Fayette, WV	PJM	Jul 2005	target 2006
Hydro project G0209, Grant County Hydro	124 MW	Withdrawn / abandoned	Grant, WA	West	Aug 2005	target 2008
Libby 6th Unit Hydro	120 MW	Withdrawn / abandoned	Lincoln, MT	West	Mar 2008	target 2010
Exchequer Hydro	112 MW	Withdrawn / abandoned	Mariposa, CA	CAISO	May 2017	target 2019
Hydro project J071, Bracken County Hydro	112 MW	Withdrawn / abandoned	Bracken, KY	MISO	Sep 2009	target 2010
Hydro project J06_CE16, Adams County Hydro	100 MW	Withdrawn / abandoned	Adams, IL	PJM	Oct 2002	target 2005
Hydro project GEN-2008-094, Wilbarger County Hydro	100 MW	Withdrawn / abandoned	Wilbarger, TX	SPP	Aug 2008	target 2011
Hydro project 4, Sanders County Hydro	95.0 MW	Withdrawn / abandoned	Sanders, MT	West	Jul 2007
Hydro project G0314, Sanders County Hydro	95.0 MW	Withdrawn / abandoned	Sanders, MT	West	Feb 2008	target 2010
Hydro project G539, Bracken County Hydro	80.0 MW	Withdrawn / abandoned	Bracken, KY	MISO	Aug 2005	target 2007
Hydro project W2-063, Greenup County Hydro	70.0 MW	Withdrawn / abandoned	Greenup, KY	PJM	Jul 2010	target 2014
Hydro project G0496, Pend Oreille County Hydro	70.0 MW	Withdrawn / abandoned	Pend Oreille, WA	West	Dec 2013	target 2014
Hydro project 8, Twin Falls County Hydro	64.0 MW	Withdrawn / abandoned	Twin Falls, ID	West	Mar 2001	target 2007
Hydro project 93, Skagit County Hydro	63.0 MW	Withdrawn / abandoned	Skagit, WA	West	Dec 2020	target 2022
Hydro project 83, Cascade County Hydro	52.0 MW	Withdrawn / abandoned	Cascade, MT	West	Mar 2008	target 2018
Pike Island Hydro	50.0 MW	Withdrawn / abandoned	Jefferson, OH	PJM	Jul 2007	target 2012
Hydro project 82, Cascade County Hydro	49.0 MW	Withdrawn / abandoned	Cascade, MT	West	Mar 2008	target 2010
Hydro project IC-319, Marengo County Hydro	48.0 MW	Withdrawn / abandoned	Marengo, AL	Southeast	Oct 2013
Hydro project AE2-159, Fayette County Hydro	48.0 MW	Withdrawn / abandoned	Fayette, WV	PJM	Mar 2019	target 2021
Hydro project S124, Hancock County Hydro	45.0 MW	Withdrawn / abandoned	Hancock, WV	PJM	Jul 2007	target 2010
Hydro project Y3-120, Harford County Hydro	45.0 MW	Withdrawn / abandoned	Harford, MD	PJM	Apr 2013	target 2016
Hydro project I22, Summers County Hydro	41.0 MW	Withdrawn / abandoned	Summers, WV	PJM	Jul 2002	target 2004
Mendocino Waveconnect Project Hydro	40.0 MW	Withdrawn / abandoned	Mendocino, CA	CAISO	Nov 2007	target 2012
Humboldt Waveconnect Project Hydro	40.0 MW	Withdrawn / abandoned	Humboldt, CA	CAISO	Nov 2007	target 2012
Hydro project AG1-292, Beaver County Hydro	36.6 MW	Withdrawn / abandoned	Beaver, PA	PJM	Sep 2020	target 2023
Hydro project J324, Grant Parish County Hydro	36.2 MW	Withdrawn / abandoned	Grant Parish, LA	MISO	Mar 2014	target 2017
Hydro project J2831, Natchitoches Parish County Hydro	36.0 MW	Withdrawn / abandoned	Natchitoches Parish, LA	MISO	Sep 2022	target 2027
Hydro project U1-080, Beaver County Hydro	35.0 MW	Withdrawn / abandoned	Beaver, PA	PJM	Apr 2008	target 2015
Hydro project 338, Washington County Hydro	33.2 MW	Withdrawn / abandoned	Washington, UT	West	Jun 2010	target 2005
Hydro project 29, Skagit County Hydro	31.0 MW	Withdrawn / abandoned	Skagit, WA	West	Jan 2011	target 2013

Capacity in the queue by state

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By grid region

ISO/RTO markets and the non-ISO West and Southeast.

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)