Interconnection queue in MISO (Midcontinent) — page 7

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 This shows every request: active, built and withdrawn.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 shown1,646350.1 GW

Active in queue350.1 GW1,646 requests

Agreement signed28.1 GW187 requests

Withdrawn3,261621.9 GW never built

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Project, developer, substation or county State Grid region Technology Status Year joined Sort

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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

1,646 requests · page 7 of 33

Project	Capacity	Status	Location	Region	Queued	Online
Madison County Combustion Turbine Gas · Indiana Municipal Power Agency (IMPA)	268 MW	In study	Anderson, IN	MISO	Aug 2025	target 2028
Gas project E0034, Brookings County Gas · Basin Electric Power Cooperative	265 MW	In study	Brookings, SD	MISO	Aug 2025	target 2027
Orient Energy Center Gas · MidAmerican Energy Company	265 MW	In study	Adair, IA	MISO	Aug 2025	target 2027
Solar project J2565, Iroquois County Solar	265 MW	In study	Iroquois, IL	MISO	Sep 2022	target 2026
Surplus; J500 Gas	263 MW	In study	Adair, IA	MISO	Jul 2025	target 2027
Gas project J3047, Adair County Gas	263 MW	In study	Adair, IA	MISO	Sep 2022	target 2027
Onshore wind project J3313, Lenawee County Onshore wind	263 MW	In study	Lenawee, MI	MISO	Apr 2024	target 2028
Gas project J2791, Lafayette Parish County Gas	263 MW	In study	Lafayette Parish, LA	MISO	Sep 2022	target 2027
Surplus; Pleasant Valley Peaker Wind + storage	259 MW	In study		MISO	Aug 2021	target 2023
Onshore wind project MPC04500, Grand Forks County Onshore wind	258 MW	In study	Grand Forks, ND	MISO	Sep 2023	target 2028
Battery storage project E0017, Lincoln County Battery storage · Union Electric Company d/b/a Ameren Missouri	258 MW	In study	Lincoln, MO	MISO	Aug 2025	target 2028
Solar project J3050, Calhoun County Solar	255 MW	In study	Calhoun, MI	MISO	Jul 2025	target 2027
Onshore wind project J3971, Huron County Onshore wind	255 MW	In study	Huron, MI	MISO	Apr 2025	target 2029
Onshore wind project J3361, Bay County Onshore wind	254 MW	In study	Bay, MI	MISO	Apr 2024	target 2027
Onshore wind project J3078, Peoria County Onshore wind	252 MW	In study	Peoria, IL	MISO	Sep 2022	target 2026
Onshore wind project J2260, Presque Isle County Onshore wind	252 MW	In study	Presque Isle, MI	MISO	Oct 2021	target 2023
Replacing 244 MW of Solar with Nuclear; Duane Arnold Nuclear	251 MW	In study	Linn, IA	MISO	Aug 2025	target 2029
Battery storage project J3836, Eaton County Battery storage	250 MW	In study	Eaton, MI	MISO	Oct 2024	target 2028
Battery storage project J4167, Allegan County Battery storage	250 MW	In study	Allegan, MI	MISO	Sep 2025	target 2030
Battery storage project J3845, Monroe County Battery storage	250 MW	In study	Monroe, MI	MISO	Nov 2024	target 2029
Battery storage project J2628, Huron County Battery storage	250 MW	In study	Huron, MI	MISO	Sep 2022	target 2028
Onshore wind project J848, Christian County Onshore wind	250 MW	Under construction	Christian, IL	MISO	Jun 2017	target 2021
Battery storage project J3883, Crawford County Battery storage	250 MW	In study	Crawford, IL	MISO	Feb 2025	target 2030
Battery storage project J4198, Christian County Battery storage	250 MW	In study	Christian, IL	MISO	Sep 2025	target 2030
Solar project J2793, Saline County Solar	250 MW	In study	Saline, IL	MISO	Sep 2022	target 2026
Solar project J2970, Posey County Solar	250 MW	In study	Posey, IN	MISO	Sep 2022	target 2026
Solar + storage project J3077, Gibson County Solar + storage	250 MW	In study	Gibson, IN	MISO	Sep 2022	target 2026
Solar project J815, Christian County Solar	250 MW	Under construction	Christian, IL	MISO	Jun 2017	target 2022
Battery storage project J4153, Grant County Battery storage	250 MW	In study	Grant, SD	MISO	Oct 2025	target 2030
Solar + storage project J2139, Livingston County Solar + storage	250 MW	In study	Livingston, MI	MISO	Sep 2021	target 2024
Solar project J1216, Washington County Solar	250 MW	Agreement signed	Washington, IL	MISO	Apr 2019	target 2026
Solar project J877, Palo Alto County Solar	250 MW	Under construction	Palo Alto, IA	MISO	Jun 2017	target 2023
Battery storage project J4089, Freeborn County Battery storage	250 MW	In study	Freeborn, MN	MISO	Oct 2025	target 2029
Solar project J2143, Chicot County Solar	250 MW	In study	Chicot, AR	MISO	Oct 2021	target 2027
Onshore wind project J1432, Clinton County Onshore wind	250 MW	Agreement signed	Clinton, IA	MISO	Apr 2019	target 2025
Battery storage project J3352, Cape Girardeau County Battery storage	250 MW	In study	Cape Girardeau, MO	MISO	Apr 2024	target 2027
Solar project J2973, Christian County Solar	250 MW	In study	Christian, IL	MISO	Sep 2022	target 2026
Battery storage project J4058, Huron County Battery storage	250 MW	In study	Huron, MI	MISO	Aug 2025	target 2028
Battery storage project J2100, Van Buren County Battery storage	250 MW	In study	Van Buren, MI	MISO	Aug 2021	target 2024
Solar project J1872, Union County Solar	250 MW	In study	Union, AR	MISO	Aug 2021	target 2028
Battery storage project J4026, Lenawee County Battery storage	250 MW	In study	Lenawee, MI	MISO	May 2025	target 2029
Solar project J2999, Perry County Solar	250 MW	In study	Perry, MS	MISO	Sep 2022	target 2025
Solar project J1466, Henderson County Solar	250 MW	Agreement signed	Henderson, KY	MISO	Apr 2019	target 2025
Onshore wind project J3326, Lyon County Onshore wind	250 MW	In study	Lyon, MN	MISO	Apr 2024	target 2028
Solar project J3074, Randolph County Solar	250 MW	In study	Randolph, IL	MISO	Sep 2022	target 2025
Solar + storage project J2267, Williamson County Solar + storage	250 MW	In study	Williamson, IL	MISO	Mar 2022	target 2025
Other project J2691, Bollinger County Other	250 MW	In study	Bollinger, MO	MISO	Sep 2022	target 2027
Solar project J4066, Isabella County Solar	250 MW	In study	Isabella, MI	MISO	Sep 2025	target 2030
Solar project J1573, Portage County Solar	250 MW	Agreement signed	Portage, WI	MISO	Jun 2020	target 2026
Solar project J1145, Callaway County Solar	250 MW	Agreement signed	Callaway, MO	MISO	Mar 2018	target 2024

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.

Requests by year joined

Capacity of requests in this view, by the year they entered the queue. Click a year.

20112025

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)