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MLQ Infrastructure · Interconnection Queue

Interconnection Queue

ISO/RTO generation + large-load interconnection requests across US grids. The earliest signal of where data center capacity is being prepared — typically 3-7 years ahead of operation. 23,652 projects across 5466 ISOs, 3923.0 GW pipeline.

Sources: ERCOT GIS Report (monthly) · PJM Planning Queues XML (daily) · MISO / CAISO / NYISO (coming)

⚡ What moved — queue changes feed →
Active projects only · 14,927 dormant (withdrawn / suspended / terminated) hidden. Show all →
Total Projects
23,652
Pipeline Capacity
3923.0 GW
Active
8,725
Storage Projects
5,783
ISOs Covered
5466
Suggested searches
8,725 of 23,652 queue projects
ISO Queue # Project / Entity County, State Fuel / Tech Capacity Status COD Developer Source
MISO R5078
R5078
- - - Active Dec 1, 2023 - View ↗
MISO R5077
R5077
- - - Active Aug 3, 2026 - View ↗
MISO S1155
S1155
- - - Active May 31, 2028 - View ↗
NYISO 1671
Meyer Substation Rebuild and South Perry Substation Rebuild
NYSEG
POI: Meyer 115kV, 34.5, 230kV South Perry 11…
Wyoming/Livingston, NY AC - Active - - View ↗
NYISO 1667
Designated Public Policy Project Rainey Breaker Replacement
Consolidated Edison Company of New York
POI: Rainey 345kV Substation
New York, NY AC - Active - - View ↗
MISO S1159
S1159
- - - Active
NO_CYCLE / NO_GROUP
Aug 1, 2028 - View ↗
MISO J4163
J4163
POI: Wilmar East
Drew, AR Biomass
Co-gen
- Active
0MW GIA / NA
Aug 3, 2026 - View ↗
MISO S1055
S1055
POI: Wilton (endpoint 1) to Bagley (endpoint…
Beltrami - - Active Aug 1, 2026 - View ↗
MISO J1821
J1821
POI: WEST MEMPHIS EHV - KEO EHV 500.0kV
Lee, AR Battery Storage
Battery Storage
- Done
DPP-2020 / South / GIA
Sep 13, 2023 - View ↗
ISO-NE 14
Cabot Power
POI: Mystic 345 kV Station
Middlesex, MA - - Active - - View ↗
MISO S1060
S1060
POI: Gross 138kV - Bus #256155
Shiawasse - - Done Feb 1, 2026 - View ↗
MISO R5079
R5079
- - - Active Apr 1, 2027 - View ↗
PJM AG2-050
CHESAPEAKE BEACH BESS
POI: Randle Cliff 13.8 kV
Calvert, MD Other - In Service
Document Posted
May 1, 2023 - View ↗
MISO S1137
S1137
- - - Active Jun 1, 2028 - View ↗
MISO R1058
R1058
POI: Rush Island Plant – 345kV Switchyard (E…
Jefferson - - Done Sep 25, 2025 - View ↗
MISO R5061
R5061
POI: Edgewater 5 - 345kV
Sheboygan - - Done Jun 1, 2025 - View ↗
NYISO 1366
Queensboro Renewable Express Circuit B
Queensboro Development, LLC
POI: Rainey 345 kV substation and Vernon 138…
Queens, NY DC - Active
SIS
- - View ↗
ISO-NE 23
HQ-Surowiec
POI: Surowiec 345 kV or MEPCO
Cumberland, ME - - Active Dec 31, 2020 - View ↗
ISO-NE 85
Pilgrim Power Uprate
POI: Increase Existing Unit Capacity
Plymouth, MA Nuclear
Steam Turbine
- Active Aug 1, 2003 - View ↗
ISO-NE 41
Canal 2 Repowering
POI: Canal 345 kV Station
Barnstable, MA - - Active - - View ↗
ISO-NE 63
WESC LTF Pt to Pt In Svce
POI: Increase Import Capability from NY
- - - Active Feb 1, 2000 - View ↗
ISO-NE 271
MPS RNS Application
Aroostoock, ME - - Active - - View ↗
ISO-NE 62
New York Interface Import Expansion
POI: Increase Import Capability from NY
- - - Active Jan 1, 2000 - View ↗
ISO-NE 84
Phase 2 - Nantucket Sound Wind
POI: Near Barnstable 115kV Substation
Barnstable, MA - - Active Dec 31, 2020 - View ↗
ISO-NE 42
Wiscassett
POI: Maine Yankee 345 KV
Lincoln, ME - - Active - - View ↗
PJM 555096
555096
N/A, N/ - - Confirmed - - View ↗
ISO-NE 49
Irving Oil LTF PtP
POI: Import from NB Via MEPCO
- - - Active Apr 1, 2001 - View ↗
ISO-NE 50
Patriot Cabot Street Station
POI: Holyoke Substation
Hampden, MA - - Active Dec 31, 2020 - View ↗
PJM 530783
530783
N/A, N/ - - Confirmed - - View ↗
ISO-NE 83
Neptune Phase7 Wyman Export to Boston, CT, NYC or
POI: Wyman 345 kV (Bi-Polar HVDC Terminal)
Cumberland, ME - - Active - - View ↗
ISO-NE 149
Transmission Expansion
-, CT - - Active - - View ↗
ISO-NE 82
Cape Cod Offshore Wind Project
POI: South of Barnstable 115kV Substation
Barnstable, MA - - Active Dec 31, 2020 - View ↗
ISO-NE 125
Devon Station Redevelopment
POI: Devon 115 kV Substation
New Haven, CT - - Active - - View ↗
ISO-NE 71
Bridgeport Harbor Station
POI: Pequonnock 115 kV Substation
Fairfield, CT - - Active Jun 1, 2003 - View ↗
ISO-NE 93
HVDC Interconn. betw. Norwalk Stat, CT & Shore Rd
POI: Interconnection between Norwalk Stat, C…
-, CT - - Active May 1, 2004 - View ↗
ISO-NE 112
NECCO Cogen
POI: Everett 23 kV
Suffolk, MA DFO
Internal Combustion
- Active - - View ↗
ISO-NE 51
MEPCO-New England Interface Expansion
POI: Import Capability from MEPCO
- - - Active Jan 1, 2000 - View ↗
ISO-NE 67
Lowell Power Expansion
POI: Lowell Power 115 kV Station
Middlesex, MA - - Active May 1, 2001 - View ↗
PJM 528023
528023
N/A, N/ - - Confirmed - - View ↗
ISO-NE 80
Berlin Energy Project
POI: Berlin 115 kV Substation (PSNH)
Coos, NH - - Active Jan 1, 2002 - View ↗
ISO-NE 79
Milford CT - New York HVDC
POI: HVDC Devon CT 115 kV
New Haven, CT - - Active - - View ↗
ISO-NE 120
Univ. of NH - CHP
POI: PSNH Dist. Sys./Madbury 115 kV
Strafford, NH - - Active - - View ↗
ISO-NE 78
Norwalk-Northport HVDC
POI: HVDC Norwalk CT and Northport NY
Fairfield, CT - - Active - - View ↗
ISO-NE 55
Cross Sound Cable
POI: HVDC terminal adjacent to East Shore 34…
New Haven, CT - - Active Sep 1, 2003 - View ↗
ISO-NE 113
Sheffield Wind Power Project
POI: TBD
Caledonia, VT - - Active Dec 31, 2020 - View ↗
PJM 528024
528024
N/A, N/ - - Confirmed - - View ↗
ISO-NE 53
Tractebel LTF Int + Internal PtP
POI: Import from the New Brunswick System
- - - Active May 1, 2002 - View ↗
ISO-NE 90
Cabot Station CUO Uprate
POI: Increase generating capacity from 53.0 …
Franklin, MA WAT
HD
- Active May 1, 2004 - View ↗
ISO-NE 54
Redington Mountain Wind Farm
POI: Bigelow 115 kV Substation
Franklin, ME - - Active Dec 31, 2020 - View ↗
ISO-NE 65
EPMI LTF Pt to Pt In Svce.
- - - Active Jan 1, 2002 - View ↗
ISO-NE 75
New York Interface LTF PtP Out Service
POI: Increase Export Capability to New York
- - - Active Jan 1, 2001 - View ↗
PJM 528028
528028
N/A, N/ - - Confirmed - - View ↗
PJM 528020
528020
N/A, N/ - - Confirmed - - View ↗
PJM 554507
554507
N/A, N/ - - Confirmed - - View ↗
ISO-NE 60
Sithe LTF Pt to Pt In Svce.
POI: Increase Import Capability from NY
- - - Active Mar 1, 2000 - View ↗
ISO-NE 70
New York Interface LTF PtP Out Service
POI: Increase Export Capability to New York
- - - Active - - View ↗
ISO-NE 210
MATEP (Medical Area Total Energy Project)-modify i
POI: NSTAR Coburn Substation
Suffolk, MA DFO NG
Other
- Active Dec 11, 2020 - View ↗
PJM 555079
555079
N/A, N/ - - Confirmed - - View ↗
ISO-NE 57
Norwich Power Station
POI: Bean Hill Substation
New London, CT - - Active Jan 1, 2002 - View ↗
ISO-NE 39
HQ Highgate2 HVDC
POI: Located on the Hydro Quebec sys. N. nea…
Franklin, VT - - Active Dec 31, 2020 - View ↗
ISO-NE 58
CPS LTF Pt to Pt In Svc.
POI: Increase Import Capability from NY
- - - Active - - View ↗
ISO-NE 118
New Haven Harbor Units 2 & 3
POI: East Shore 115 kV Substation
New Haven, CT - - Active May 1, 2005 - View ↗
PJM 530761
530761
N/A, N/ - - Confirmed - - View ↗
ISO-NE 161
Combustion Turbine
POI: CL&P Rocky River Substation
-, CT Natural Gas - Active - - View ↗
ISO-NE 76
New York Interface LTF PtP Out Service
POI: Increase Export Capability to New York
- - - Active Jan 1, 2001 - View ↗
PJM 564895
564895
N/A, N/ - - Confirmed - - View ↗
ISO-NE 87
Stage II Cross Sound Cable HVDC Interconnection
POI: HVDC terminal adjacent to East Shore 34…
New Haven, CT - - Active Jul 1, 2003 - View ↗
ISO-NE 91
New York Interface LTF PtP Out Service
POI: Increase Export Capability to New York
- - - Active Jun 1, 2003 - View ↗
ISO-NE 97
Western Maine Area Export Enhancement
POI: Increase Export Capability from Rumford…
- - - Active - - View ↗
PJM 528018
528018
N/A, N/ - - Confirmed - - View ↗
PJM 564884
564884
N/A, N/ - - Confirmed - - View ↗
ISO-NE 64
Seabrook Unit One Uprate
POI: Increase Existing Unit Capacity
Rockingham, NH - - Active May 1, 2002 - View ↗
ISO-NE 43
Tractebel LTF PtP
POI: Import from the New Brunswick System
- - - Active Dec 31, 2020 - View ↗
ISO-NE 98
Redington Wind Farm Phase II
POI: Bigelow 115 kV Substation
Franklin, ME - - Active - - View ↗
ISO-NE 40
Glen Charlie Unit One
POI: Wareham 115 kV Substation
Plymouth, MA - - Active - - View ↗
ISO-NE 46
Campello Power Co.
Plymouth, MA - - Active - - View ↗
ISO-NE 47
Nickel Hill Energy Project
POI: Tewksbury 230 kV Substation
Middlesex, MA - - Active - - View ↗
ISO-NE 105
Evergreen Wind Power - Blueberry Barrens
POI: Deblois 115 kV
Washington, ME - - Active - - View ↗
PJM 528021
528021
N/A, N/ - - Confirmed - - View ↗
ISO-NE 59
Berkshire Power Uprate
POI: Increase Existing Unit Capacity
Hampden, MA - - Active - - View ↗
ISO-NE 227
Increase Transfer South From Wyman Hydro
-, ME - - Active - - View ↗
ISO-NE 56
New York Interface Import Expansion
POI: Increase Import Capability from New York
- - - Active May 1, 1999 - View ↗
PJM 528022
528022
N/A, N/ - - Confirmed - - View ↗
PJM 555085
555085
N/A, N/ - - Confirmed - - View ↗
MISO J1528
J1528
POI: EAU CLAIRE (ENDPOINT A) TO AS KING (END…
Dunn, WI Battery Storage
Battery Storage
- Done
DPP-2020 / West / GIA
Jun 6, 2024 - View ↗
ISO-NE 657
ETU to increase Downeast Loop transfer
Hancock, ME - - Active
PD
Dec 31, 2020 - View ↗
ISO-NE 464
1000 MW HVDC
POI: NMISA to NSTAR K Street 345 kV substati…
Suffolk, MA - - Active - - View ↗
ISO-NE 495
1200 MW HVDC Tie - Import Only
POI: HQ Des Cantons substation to PSNH Deerf…
Rockingham, NH - - Active - - View ↗
ISO-NE 275
Two terminal, 2000 MW , 500 kV, dc line
POI: Maine Yankee Substation, South Boston S…
- - - Active - - View ↗
ISO-NE 72
Tewksbury Power
POI: Tewksbury 345 kV Station
Middlesex, MA - - Active - - View ↗
ISO-NE 278
Two terminal, 1000 MW , 500 kV, dc line
POI: Maine Yankee Substation, South Boston S…
-, MA - - Active - - View ↗
ISO-NE 1317
non-controllable objective ETU to enable 1200 MW injection near Norwalk substation
Fairfield, CT - - Active Dec 30, 2020 - View ↗
ISO-NE 475
600 MW HVDC Tie
POI: Alps Sub in NY to WMECO Berkshire Sub i…
Berkshire, MA - - Active Dec 30, 2020 - View ↗
ISO-NE 494
1000 MW HVDC - bidirectional
POI: CMP 345 kV ME Yankee to NSTAR 115 kV K …
Suffolk, MA - - Active - - View ↗
ISO-NE 456
1200 MW HVDC Tie
POI: HQ to NSTAR 345 kV Mystic substation
Middlesex, MA - - Active Dec 31, 2020 - View ↗
ISO-NE 455
1000 MW HVDC Tie
POI: HQ to VELCO 345 kv Coolidge substation
Windsor, VT - - Active Dec 31, 2020 - View ↗
ISO-NE 1323
Non-controllable ETU from Line 3023 substation to Coopers Mills substation
POI: New substation on line 3023 (per QP1227…
-, ME - - Active
PD
Dec 31, 2020 - View ↗
ISO-NE 1322
Non-controllable ETU from Line 388 substation to Coopers Mills substation
POI: New substation on line 388 (per QP1228 …
-, ME - - Active
PD
Dec 31, 2020 - View ↗
ISO-NE 432
115 KV ETU
POI: MPS 69 kV Mullen substation to ME Gen L…
Aroostook, ME - - Active - - View ↗
ISO-NE 430
Coos ETU
POI: TBD
Coos, NH - - Active Jul 1, 2016 - View ↗
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The Power Delivery Gap

The interconnection queue holds more than 1,100 GW of power. The grid delivers renewables quickly and firm gas slowly, if at all. A model of what the US grid can actually deliver, and when, built on MLQ's queue and generator data.

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