Interconnection queue in MISO (Midcontinent) — page 21

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 This shows every request: active, built and withdrawn.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 21 of 33

Project	Capacity	Status	Location	Region	Queued	Online
Solar project J1504, Faribault County Solar	150 MW	In study	Faribault, MN	MISO	Jun 2020	target 2027
Surplus Battery storage	150 MW	In study	Greene, IN	MISO	Jan 2025	target 2029
Solar project J1268, Lincoln County Solar	150 MW	Agreement signed	Lincoln, MO	MISO	Apr 2019	target 2023
Solar project J2131, Jasper County Solar	150 MW	In study	Jasper, IL	MISO	Aug 2021	target 2027
Solar + storage project J3185, Effingham County Solar + storage	150 MW	In study	Effingham, IL	MISO	Sep 2022	target 2027
Solar + storage project J2151, Saline County Solar + storage	150 MW	In study	Saline, IL	MISO	Aug 2021	target 2025
Solar + storage project J1422, Edwards County Solar + storage	150 MW	Agreement signed	Edwards, IL	MISO	Apr 2019	target 2024
Solar project J1311, St. Clair County Solar	150 MW	Agreement signed	St. Clair, IL	MISO	Apr 2019	target 2025
Battery storage project J4122, Shiawassee County Battery storage	150 MW	In study	Shiawassee, MI	MISO	Sep 2025	target 2030
Solar project J4061, Lenawee County Solar	150 MW	In study	Lenawee, MI	MISO	Aug 2025	target 2028
Solar project J3042, St. John The Baptist Parish County Solar	150 MW	In study	St. John The Baptist Parish, LA	MISO	Sep 2022	target 2026
Solar project J1139, Champaign County Solar	150 MW	Agreement signed	Champaign, IL	MISO	Mar 2018	target 2023
Solar project J1653, Tazewell County Solar	150 MW	In study	Tazewell, IL	MISO	Dec 2021	target 2026
Solar + storage project J2838, Richland Parish County Solar + storage	150 MW	In study	Richland Parish, LA	MISO	Oct 2025	target 2025
Solar project J1450, Webster County Solar	150 MW	Agreement signed	Webster, KY	MISO	Apr 2019	target 2025
Battery storage project J3316, Washington County Battery storage	150 MW	In study	Washington, IL	MISO	May 2024	target 2028
Gas project J3155, Winnebago County Gas	150 MW	In study	Winnebago, WI	MISO	Sep 2022	target 2025
Gas project J3151, Sheboygan County Gas	150 MW	In study	Sheboygan, WI	MISO	Sep 2022	target 2025
Solar + storage project J3224, Marion County Solar + storage	150 MW	In study	Marion, IL	MISO	Sep 2022	target 2026
Battery storage project J2203, Adams County Battery storage	150 MW	In study	Adams, IL	MISO	Mar 2022	target 2024
Solar project J1802, Marshall County Solar	150 MW	In study	Marshall, IN	MISO	Jun 2020	target 2024
Battery storage project J3009, Washtenaw County Battery storage	150 MW	In study	Washtenaw, MI	MISO	Aug 2022	target 2025
Solar project J3644, Bay County Solar	150 MW	In study	Bay, MI	MISO	Apr 2024	target 2028
Solar project J1155, Mississippi County Solar	150 MW	Under construction	Mississippi, AR	MISO	Mar 2018	2024
Replacing 150 MW of coal generation with BESS at Lansing; Lansing 4 Battery storage	150 MW	In study	Allamakee, IA	MISO	Apr 2025	target 2026
Battery storage project J2454, Montcalm County Battery storage	150 MW	In study	Montcalm, MI	MISO	Sep 2022	target 2025
Solar project J3722, Hillsdale County Solar	150 MW	In study	Hillsdale, MI	MISO	Mar 2024	target 2028
Battery storage project J2170, Clark County Battery storage	150 MW	In study	Clark, IL	MISO	Apr 2022	target 2024
Surplus; Shelby Other	150 MW	In study	Cumberland, IL	MISO	Jun 2024	target 2026
Solar + storage project J2897, San Jacinto County Solar + storage	150 MW	In study	San Jacinto, TX	MISO	Sep 2022	target 2025
Solar project J2501, Goodhue County Solar	150 MW	In study	Goodhue, MN	MISO	Sep 2022	target 2024
Solar project J1096, Saline County Solar	150 MW	Under construction	Saline, IL	MISO	Mar 2018	target 2024
Onshore wind project J967, Mower County Onshore wind	150 MW	Under construction	Mower, MN	MISO	Mar 2018	target 2023
Solar project J2720, Yazoo County Solar	150 MW	In study	Yazoo, MS	MISO	Sep 2022	target 2025
Solar project J2314, Liberty County Solar	150 MW	In study	Liberty, TX	MISO	Sep 2021	target 2023
Solar project J2156, Johnson County Solar	150 MW	In study	Johnson, IL	MISO	Jun 2022	target 2024
Battery storage project J3695, Clark County Battery storage	150 MW	In study	Clark, IL	MISO	Apr 2024	target 2028
Solar project J874, Murray County Solar	150 MW	Under construction	Murray, MN	MISO	Jun 2017	target 2024
Solar project J1724, Laporte County Solar	150 MW	In study	Laporte, IN	MISO	Dec 2021	target 2023
Battery storage project J2589, Jackson County Battery storage	150 MW	In study	Jackson, MI	MISO	Sep 2022	target 2025
Battery storage project J3654, Washtenaw County Battery storage	150 MW	In study	Washtenaw, MI	MISO	Apr 2024	target 2028
Solar project J2155, New Madrid County Solar	150 MW	In study	New Madrid, MO	MISO	Mar 2022	target 2024
Battery storage project J2473, Marion County Battery storage	150 MW	In study	Marion, IN	MISO	Sep 2022	target 2026
Battery storage project J1934, Kenosha County Battery storage	150 MW	In study	Kenosha, WI	MISO	Aug 2021	target 2025
Solar project J1646, Newton County Solar	150 MW	In study	Newton, IN	MISO	Jun 2020	target 2026
Solar project J3107, Johnson County Solar	150 MW	In study	Johnson, IA	MISO	Oct 2025	target 2025
Battery storage project J1357, Madison County Battery storage	150 MW	Agreement signed	Madison, IN	MISO	Apr 2019	target 2025
Surplus Battery storage	150 MW	In study	St. Clair, IL	MISO	Jan 2025	target 2029
Surplus; J1320 Other	150 MW	In study	Branch, MI	MISO	Aug 2024	target 2026
Onshore wind project J750, Morgan County Onshore wind	150 MW	Under construction	Morgan, IL	MISO	Jun 2017	target 2022

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.

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)