gridprims

as of Oct 27, 2026

Interconnection queue

Interconnection queue in Iowa

Data: Lawrence Berkeley National Laboratory and GridTracker, Queued Up, as of Dec 31, 2025.

This is an annual snapshot. A request's status may have changed since. Current status at Interconnection.fyi.

LBNL licenses the file CC BY 4.0, so project rows are shown and the file can be downloaded from our data library.

Statewide

Active capacity
23,937 MW
Active requests
123
Median years in queue (active)
3.3
Withdrawn, of requests entered by 2020
66%
Active capacity by type
TypeActive capacity (MW)Projects
Solar4,94035
Wind7,29136
Storage3,29022
Gas6,12916
Hybrid1,0157
Other1,2727

By county

Queue requests by county in Iowa, as of Dec 31, 2025
CountyActive capacity (MW)ProjectsSolarWindStorageGasHybridOtherMedian years in queue (active)Withdrawn, of requests entered by 2020
Linn3,648147105951,0821,2612.1
Cerro Gordo2,73164201002,2111.8
Marshall1,58065421009381.8
Clinton1,21063502502001602505.6
Franklin1,11971006592001603.3
Washington1,07532008753.3
Adair79135282630.4
Worth7755300395805.5
Winnebago72037201.8
Taylor70027002.5
Palo Alto65032504006.7
Wapello61841202002980.2
Louisa61434501641.7
Muscatine5795379150504.1
Webster57031004703.3
Buchanan40024002.5
Story40024003.0
Mitchell38221802021.3
Howard37533755.5
Polk34023403.3
Dickinson30013007.8
Ringgold29012900.7
Allamakee28022800.7
Tama26922695.5
Des Moines2622502125.8
Dubuque26021001603.3
Crawford25222527.6
Carroll25022503.2
Plymouth20012001.6
Pottawattamie20012003.3
Dallas20012001.7
Hardin20012003.3
Mahaska20012001.7
Humboldt17511753.3
Cherokee16011600.2
Pocahontas15611560.2
Johnson153315127.8
Scott1502100507.2
Union140350905.6
Lee12011201.1
Henry10011004.4
Greene10011006.7
Kossuth751750.5
Mills501504.7
Page501504.7
Cass421420.2
Woodbury151156.7
Cedar9197.8
Monroe00
Hancock00
Jackson00
Osceola00
O'brien00
Sioux00
Lyon00
Emmet00
Black Hawk00
Boone00
Clay00
Fayette00
Delaware00
Madison00
Grundy00
Chickasaw00
Benton00
Adams00
Audubon00
Poweshiek00
Marion00
Clayton00
Jasper00
Ida00
Iowa00
Sac00
Wright00
Calhoun00

Capacity is each request's first-listed capacity, so a hybrid's battery is not added on top. Most requests in a queue never get built.

Active requests

Status is as of Dec 31, 2025. Current status at Interconnection.fyi.

Active interconnection requests in Iowa
ProjectCountyTypeMWEntered the queueStudy phaseUtility or operatorLive status
J4113Cerro GordoGas1,3152025-10-06ITC MIDWESTCurrent status
E0050LinnGas9872025-11-05In Progress (unknown study)Interstate Power and Light Company (IPL)Current status
E0010MarshallGas7982025-08-06In Progress (unknown study)Interstate Power and Light Company (IPL)Current status
E0049Cerro GordoGas7982025-10-15In Progress (unknown study)Interstate Power and Light Company (IPL)Current status
J3932LinnNuclear6462025-03-14ITC MIDWESTCurrent status
J4114WashingtonGas5252025-10-06MIDAMERICAN ENERGY CO.Current status
J2268LinnSolar4002021-08-11Cluster StudyITC MIDWESTCurrent status
J3701TaylorWind4002024-04-18In Progress (unknown study)MIDAMERICAN ENERGY CO.Current status
E0015FranklinWind3602025-08-06In Progress (unknown study)Interstate Power and Light Company (IPL)Current status
J2945WashingtonGas3502022-09-15Cluster StudyAMEREN MISSOURICurrent status
J3798WinnebagoWind3202024-03-27In Progress (unknown study)ITC MIDWESTCurrent status
J4056MarshallWind3102025-08-27MISOCurrent status
J2369TaylorWind3002022-09-14Cluster StudyMIDAMERICAN ENERGY CO.Current status
J2436WebsterWind3002022-09-12Cluster StudyMIDAMERICAN ENERGY CO.Current status
J2469LinnBattery3002022-09-12Cluster StudyMISOCurrent status
J982DickinsonWind3002018-03-12IA ExecutedMIDAMERICAN ENERGY COMPANYCurrent status
J4006RinggoldWind2902025-05-07MISOCurrent status
Orient Energy CenterAdairGas2652025-08-06In Progress (unknown study)MidAmerican Energy CompanyCurrent status
J3047AdairGas2632022-09-15Cluster StudyMIDAMERICAN ENERGY CO.Current status
Surplus; J500AdairGas+Other2632025-07-31MIDAMERICAN ENERGY CO.Current status
Replacing 244 MW of Solar with Nuclear; Duane ArnoldLinnNuclear2512025-08-26ITC MIDWESTCurrent status
J1432ClintonWind2502019-04-29IA ExecutedITC MIDWESTCurrent status
J2272ClintonSolar+Battery2502021-07-22Cluster StudyITC MIDWESTCurrent status
J3911LouisaSolar2502025-02-25MIDAMERICAN ENERGY CO.Current status
J877Palo AltoSolar2502017-06-16ConstructionMIDAMERICAN ENERGY COMPANYCurrent status
J4068MarshallWind2322025-10-03MISOCurrent status
J2342WorthWind2302022-09-15Cluster StudyITC MIDWESTCurrent status
Replacing 30 MW of existing coal generation with BESS at Burlington Generation Station; Burlington 5Des MoinesOther+Battery2122022-02-15Alliant Energy WestCurrent status
J2553Cerro GordoSolar2102022-09-14Cluster StudyITC MIDWESTCurrent status
J2811Cerro GordoSolar2102022-09-14Cluster StudyITC MIDWESTCurrent status
Surplus; J449MitchellBattery2022025-03-06ITC MIDWESTCurrent status
J1190ClintonSolar2002019-01-22IA ExecutedITC MIDWESTCurrent status
J1218MuscatineSolar2002019-04-27IA ExecutedMIDAMERICAN ENERGY COMPANYCurrent status
J1270Palo AltoWind2002019-04-29IA PendingMIDAMERICAN ENERGY COMPANYCurrent status
J1444LinnSolar2002019-04-29IA PendingITC MIDWESTCurrent status
J1590PlymouthWind2002024-06-05IA PendingMIDAMERICAN ENERGY CO.Current status
J1867FranklinWind2002021-11-22Cluster StudyITC MIDWESTCurrent status
J2002WashingtonSolar2002021-08-13Cluster StudyMIDAMERICAN ENERGY CO.Current status
J2078StorySolar2002021-08-13Cluster StudyITC MIDWESTCurrent status
J2545BuchananBattery2002022-09-15Cluster StudyITC MIDWESTCurrent status
J2989HardinWind2002022-09-14Cluster StudyITC MIDWESTCurrent status
J2990PottawattamieWind2002022-09-14Cluster StudyMIDAMERICAN ENERGY CO.Current status
J3324Palo AltoWind2002024-04-18In Progress (unknown study)MIDAMERICAN ENERGY CO.Current status
J3464StorySolar2002024-04-16In Progress (unknown study)ITC MIDWESTCurrent status
J3477CarrollSolar2002024-04-18In Progress (unknown study)MIDAMERICAN ENERGY CO.Current status
J3551MahaskaBattery2002024-04-18In Progress (unknown study)MIDAMERICAN ENERGY CO.Current status
J3655DallasWind2002024-04-17In Progress (unknown study)MIDAMERICAN ENERGY CO.Current status
J3713WapelloWind2002024-04-18In Progress (unknown study)ITC MIDWESTCurrent status
J3725LouisaSolar2002024-04-18In Progress (unknown study)MIDAMERICAN ENERGY CO.Current status
J3780BuchananBattery2002024-04-18In Progress (unknown study)ITC MIDWESTCurrent status
J3849WinnebagoWind2002024-12-31ITC MIDWESTCurrent status
Replacing 200 MW of Solar with Nuclear; J1444LinnNuclear2002025-08-26ITC MIDWESTCurrent status
Surplus; J1190ClintonBattery2002025-07-08ITC MIDWESTCurrent status
Surplus; J416FranklinBattery2002025-08-26ITC MIDWESTCurrent status
J3157WinnebagoWind2002022-09-15Cluster StudyITC MIDWESTCurrent status
J4173WapelloBattery1992025-10-07ITC MIDWESTCurrent status
J4155LinnBattery1952025-10-06GridUnityCurrent status
J3702MitchellWind1802024-03-27In Progress (unknown study)NORTHERN STATES POWER COMPANYCurrent status
GEN-2017-222CrawfordWind1802017-11-30IA ExecutedWAPACurrent status
J2988HumboldtWind1752022-09-14Cluster StudyMIDAMERICAN ENERGY CO.Current status
J2653PolkBattery1702022-09-15Cluster StudyMIDAMERICAN ENERGY CO.Current status
J2655PolkBattery1702022-09-15Cluster StudyMIDAMERICAN ENERGY CO.Current status
J3926WebsterWind1702025-03-13MIDAMERICAN ENERGY CO.Current status
J1365TamaWind1692019-04-29IA PendingITC MIDWESTCurrent status
J1174WorthSolar1652018-03-12ConstructionITC MIDWESTCurrent status
J1175WorthWind1652018-03-12IA ExecutedITC MIDWESTCurrent status
J2576LouisaWind1642022-09-15Cluster StudyMIDAMERICAN ENERGY CO.Current status
J2757CherokeeSolar1602025-10-17Cluster StudyMIDAMERICAN ENERGY CO.Current status
J2946DubuqueGas1602022-09-15Cluster StudyITC MIDWESTCurrent status
J3153ClintonGas1602022-09-15Cluster StudyITC MIDWESTCurrent status
J3154FranklinGas1602022-09-15Cluster StudyITC MIDWESTCurrent status
J3137PocahontasSolar1562025-10-17Cluster StudyMIDAMERICAN ENERGY CO.Current status
J3461MuscatineSolar1562024-04-17In Progress (unknown study)MIDAMERICAN ENERGY CO.Current status
J3898HowardWind1552025-02-14ITC MIDWESTCurrent status
J1084ClintonSolar1502018-03-12ConstructionITC MIDWESTCurrent status
J2686MuscatineWind1502022-09-15Cluster StudyMIDAMERICAN ENERGY CO.Current status
J3107JohnsonSolar1502025-10-23Cluster StudyMIDAMERICAN ENERGY CO.Current status
Replacing 150 MW of coal generation with BESS at Lansing; Lansing 4AllamakeeBattery1502025-04-08ITC MIDWESTCurrent status
J1520WorthSolar1352020-06-22ConstructionITC MIDWESTCurrent status
Replacing 130 MW of coal generation with BESS at Lansing; Lansing 4AllamakeeBattery1302025-04-09ITC MIDWESTCurrent status
J1769HowardWind1202020-06-25IA PendingDAIRYLAND POWER COOPERATIVECurrent status
J4086WapelloSolar1202025-10-07ITC MIDWESTCurrent status
Surplus; J1734LeeOther+Battery1202024-11-15ITC MIDWESTCurrent status
J1131ScottSolar1002018-03-12ConstructionMIDAMERICAN ENERGY COMPANYCurrent status
J1313GreeneSolar1002019-04-29IA ExecutedITC MIDWESTCurrent status
J2031TamaWind1002021-08-13Cluster StudyITC MIDWESTCurrent status
J2066HenryBattery1002021-08-17Cluster StudyITC MIDWESTCurrent status
J2120LinnBattery1002021-08-04Cluster StudyITC MIDWESTCurrent status
J2949MarshallBattery1002022-09-14Cluster StudyITC MIDWESTCurrent status
J3158Cerro GordoBattery1002022-09-14Cluster StudyITC MIDWESTCurrent status
J3159DubuqueBattery1002022-09-14Cluster StudyITC MIDWESTCurrent status
J4037FranklinSolar1002025-06-30MIDAMERICAN ENERGY CO.Current status
J524WebsterSolar1002015-11-16IA ExecutedMISOCurrent status
J898HowardWind1002017-06-16ConstructionDAIRYLAND POWER COOPERATIVECurrent status
Replacing 100 MW of Solar with Nuclear; Duane ArnoldLinnNuclear1002025-08-26ITC MIDWESTCurrent status
J4172WapelloBattery992025-10-07MISOCurrent status
J4145Cerro GordoGas982025-10-06ITC MIDWESTCurrent status
J1359LinnGas952019-04-29IA PendingITC MIDWESTCurrent status
Surplus; Old GoldWorthOther+Battery802024-06-03ITC MIDWESTCurrent status
J2948MarshallGas752022-09-15Cluster StudyITC MIDWESTCurrent status
Surplus; J495KossuthBattery752025-07-11ITC MIDWESTCurrent status
GEN-2018-074CrawfordWind722018-10-31IA ExecutedWAPACurrent status
J1998FranklinWind662021-08-04Cluster StudyITC MIDWESTCurrent status
J514MarshallGas652015-11-16IA ExecutedMISOCurrent status
Replacing 50 MW of Solar with Nuclear; Duane ArnoldLinnNuclear642025-08-26ITC MIDWESTCurrent status
J1889LinnSolar602021-08-04Cluster StudyITC MIDWESTCurrent status
J1132UnionSolar502018-03-12ConstructionITC MIDWESTCurrent status
J1135Des MoinesSolar502018-03-12IA ExecutedITC MIDWESTCurrent status
J1229MuscatineBattery502019-04-29IA ExecutedMIDAMERICAN ENERGY COMPANYCurrent status
J1477ScottBattery502019-04-29IA ExecutedMIDAMERICAN ENERGY COMPANYCurrent status
J1529CarrollSolar502021-04-16IA PendingMIDAMERICAN ENERGY CO.Current status
J1530MillsSolar502021-04-16IA PendingMIDAMERICAN ENERGY CO.Current status
J1532PageSolar502021-04-16IA PendingMIDAMERICAN ENERGY CO.Current status
J2951UnionSolar+Battery502022-09-05Cluster StudyITC MIDWESTCurrent status
J504LinnSolar502015-11-13IA ExecutedMISOCurrent status
J4150CassSolar422025-10-06MISSOURI RIVER ENERGY SERVICES - TRANSMISSIONCurrent status
Surplus; J1132UnionOther+Battery40ITC MIDWESTCurrent status
J2122FranklinWind332021-08-04Cluster StudyITC MIDWESTCurrent status
J1927MuscatineSolar232021-12-03Cluster StudyMUSCATINE POWER AND WATERCurrent status
GEN-2019-019WoodburyGas152019-04-24IA ExecutedNIPCOCurrent status
J963CedarDiesel92018-03-12IA ExecutedITC MIDWESTCurrent status
J953JohnsonDiesel22018-03-08IA ExecutedITC MIDWESTCurrent status
J954JohnsonSolar12018-03-08IA ExecutedITC MIDWESTCurrent status

Lawrence Berkeley National Laboratory and GridTracker · Queued Up: Interconnection Queue Data File (Lawrence Berkeley National Laboratory) · data for 2025 · as of May 7, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

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