Interconnection queue in MISO (Midcontinent) — page 27

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 This shows every request: active, built and withdrawn.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 27 of 33

Project	Capacity	Status	Location	Region	Queued	Online
Solar project J3828, Lapeer County Solar	100 MW	In study	Lapeer, MI	MISO	Apr 2024	target 2028
Solar project J4046, Attala County Solar	100 MW	In study	Attala, MS	MISO	Jul 2025	target 2030
Onshore wind project J3070, Morton County Onshore wind	100 MW	In study	Morton, ND	MISO	Sep 2022	target 2025
Solar + storage project J3111, Craighead County Solar + storage	100 MW	In study	Craighead, AR	MISO	Sep 2022	target 2026
Onshore wind project J2031, Tama County Onshore wind	100 MW	In study	Tama, IA	MISO	Aug 2021	target 2026
Solar + storage project J3181, Logan County Solar + storage	100 MW	In study	Logan, IL	MISO	Sep 2022	target 2027
Solar project J1932, Gladwin County Solar	100 MW	In study	Gladwin, MI	MISO	Aug 2021	target 2024
Surplus Battery storage	100 MW	In study	Perry, IL	MISO	Jun 2025	target 2026
Solar project J1748, Desoto County Solar	100 MW	Agreement signed	Desoto, MS	MISO	Jul 2020	target 2025
Battery storage project J3166, Knox County Battery storage	100 MW	In study	Knox, IN	MISO	Sep 2022	target 2026
Surplus; J1314 Other	100 MW	In study	Polk, WI	MISO	Sep 2022	target 2025
Solar + storage project J3186, Bolivar County Solar + storage	100 MW	In study	Bolivar, MS	MISO	Sep 2022	target 2027
Onshore wind project J3990, Mclean County Onshore wind	100 MW	In study	Mclean, IL	MISO	Apr 2025	target 2029
Solar project J1904, Acadia Parish County Solar	100 MW	In study	Acadia Parish, LA	MISO	Aug 2021	target 2028
Solar project J3379, Johnson County Solar	100 MW	In study	Johnson, IL	MISO	Apr 2024	target 2028
Solar + storage project J3112, Phillips County Solar + storage	100 MW	In study	Phillips, AR	MISO	Sep 2022	target 2026
Battery storage project J2450, Tippecanoe County Battery storage	100 MW	In study	Tippecanoe, IN	MISO	Sep 2022	target 2026
Solar project J604, Sunflower County Solar	100 MW	Agreement signed	Sunflower, MS	MISO	May 2016	2022
Battery storage project J2066, Henry County Battery storage	100 MW	In study	Henry, IA	MISO	Aug 2021	target 2022
Solar project J3035, Desha County Solar	100 MW	In study	Desha, AR	MISO	Sep 2022	target 2026
Solar + storage project J2133, White County Solar + storage	100 MW	In study	White, AR	MISO	Aug 2021	target 2024
Solar project J1426, Benton County Solar	100 MW	Under construction	Benton, MN	MISO	Apr 2019	target 2025
Onshore wind project J569, Rock County Onshore wind	100 MW	Agreement signed	Rock, MN	MISO	May 2016	2022
Solar project J1092, St. Croix County Solar	100 MW	Agreement signed	St. Croix, WI	MISO	Mar 2018	target 2023
Surplus; J385 Battery storage	100 MW	In study	Chisago, MN	MISO	Aug 2025	target 2027
Battery storage project J3485, Huron County Battery storage	100 MW	In study	Huron, MI	MISO	Apr 2024	target 2028
Battery storage project J2392, Mason County Battery storage	100 MW	In study	Mason, MI	MISO	Sep 2022	target 2026
Solar project J1577, Grant County Solar	100 MW	In study	Grant, AR	MISO	Jun 2020	target 2025
Solar project J962, Desoto County Solar	100 MW	Under construction	Desoto, MS	MISO	Mar 2018	2024
Battery storage project J3968, Coles County Battery storage	100 MW	In study	Coles, IL	MISO	Mar 2025	target 2028
Solar project J1785, Laporte County Solar	100 MW	In study	Laporte, IN	MISO	Jan 2022	target 2024
Solar + storage project J2301, Vigo County Solar + storage	100 MW	In study	Vigo, IN	MISO	Mar 2022	target 2025
Onshore wind project J3469, Marathon County Onshore wind	100 MW	In study	Marathon, WI	MISO	Apr 2024	target 2026
Surplus; J908 Battery storage	100 MW	In study	Tallahatchie, MS	MISO	Aug 2025	target 2027
Solar project J3141, Phillips County Solar	100 MW	In study	Phillips, AR	MISO	Sep 2022	target 2026
Solar project J3481, Grant County Solar	100 MW	In study	Grant, AR	MISO	Apr 2024	target 2027
Battery storage project J2375, Macon County Battery storage	100 MW	In study	Macon, IL	MISO	Sep 2022	target 2027
Battery storage project J2383, Macon County Battery storage	100 MW	In study	Macon, IL	MISO	Sep 2022	target 2027
Battery storage project J3421, Huron County Battery storage	100 MW	In study	Huron, MI	MISO	Apr 2024	target 2028
Solar + storage project J2474, Sangamon County Solar + storage	100 MW	In study	Sangamon, IL	MISO	Sep 2022	target 2026
Solar project J2761, Marion County Solar	100 MW	In study	Marion, MS	MISO	Sep 2022	target 2029
Solar project J1564, Washington Parish County Solar	100 MW	Agreement signed	Washington Parish, LA	MISO	Jun 2020	target 2025
Surplus; J385 Other	100 MW	In study	Chisago, MN	MISO	Jul 2024	target 2026
Onshore wind project J3341, Vermilion County Onshore wind	100 MW	In study	Vermilion, IL	MISO	Apr 2024	target 2028
Battery storage project J3861, Branch County Battery storage	100 MW	In study	Branch, MI	MISO	Dec 2024	target 2028
Solar project J1657, St. Croix County Solar	100 MW	In study	St. Croix, WI	MISO	Jun 2020	target 2025
Surplus Battery storage	100 MW	In study	Fayette, IL	MISO	Jul 2025	target 2026
Solar project J524, Webster County Solar	100 MW	Agreement signed	Webster, IA	MISO	Nov 2015	2022
Solar project J1612, Union County Solar	100 MW	In study	Union, AR	MISO	Jun 2020	target 2024
Battery storage project J3268, Gratiot County Battery storage	100 MW	In study	Gratiot, MI	MISO	Apr 2024	target 2027

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)