Interconnection queue retrospectives
What the interconnection queue record actually shows.
Points of interconnection and market-wide queue vintages, read straight from the public interconnection queue dataset: every request filed, what was built, what withdrew, and how long each took. Anyone can check these against the source.
These are retrospectives on public data — not customer case studies. No engagement, customer or client is involved in any of them, and nothing here claims GridVision predicted or changed an outcome.
Browse by market: PJM interconnection queue · CAISO interconnection queue · SPP interconnection queue · MISO interconnection queue · NYISO interconnection queue · ISO-NE interconnection queue · ERCOT interconnection queue
PJM · 33
PJM interconnection queue guidePJM · North Carolina
Ahoskie 34.5 kV
67 MW filed. 12 MW built.
- Built
- 1
- Withdrawn
- 3
- In queue
- 1
PJM · Virginia
Axton 138 kV
Two identical gas requests, filed the same day. Both withdrew.
- Built
- 1
- Withdrawn
- 4
- In queue
- 0
PJM · Ohio
Buckskin 69 kV
Five withdrawals, and one 100 MW project.
- Built
- 1
- Withdrawn
- 5
- In queue
- 0
PJM · New Jersey
Burlington 26 kV
Seven requests over 2010 to 2016, three of them built.
- Built
- 3
- Withdrawn
- 4
- In queue
- 0
PJM · Maryland
Calvert Cliffs 500 kV
Calvert Cliffs Units 1 and 2 filed three times, and all three were built.
- Built
- 3
- Withdrawn
- 2
- In queue
- 0
PJM · North Carolina
Cashie 230 kV
Seven of nine requests withdrew; two are still in the queue.
- Built
- 0
- Withdrawn
- 7
- In queue
- 2
PJM · Virginia
Chesterfield 230 kV
3,190 MW filed. 66 MW built.
- Built
- 3
- Withdrawn
- 3
- In queue
- 3
PJM · New Jersey
Deptford 13 kV
Four withdrawals, and one 5 MW project.
- Built
- 1
- Withdrawn
- 4
- In queue
- 0
PJM · Maryland
Dickerson 230 kV
Everything large withdrew. Everything built was tiny and fast.
- Built
- 2
- Withdrawn
- 4
- In queue
- 0
PJM · Pennsylvania / Delaware
Edgemoor
1,175 MW filed. 15 MW built.
- Built
- 2
- Withdrawn
- 3
- In queue
- 0
PJM · New Jersey
Essex 230 kV
The same pattern as Hatfield, at a different node.
- Built
- 3
- Withdrawn
- 5
- In queue
- 0
PJM · Virginia
Four Rivers 230 kV
Five requests over 2008 to 2021, three of them built.
- Built
- 3
- Withdrawn
- 2
- In queue
- 0
PJM · Virginia
Harmony Village-Shackleford 115 kV
Three of ten requests reached commercial operation.
- Built
- 3
- Withdrawn
- 0
- In queue
- 7
PJM · Pennsylvania
Hatfield 500 kV
The project that got built was filed as three separate requests.
- Built
- 3
- Withdrawn
- 3
- In queue
- 0
PJM · Virginia
Hopewell 230 kV
Hopewell Cogeneration Facility (HCF) filed twice, and both were built.
- Built
- 3
- Withdrawn
- 3
- In queue
- 0
PJM · Virginia
Hopewell-Surry 230 kV
Fort Powhatan Solar filed twice, and one of them was built.
- Built
- 3
- Withdrawn
- 2
- In queue
- 0
PJM · New Jersey
Huron 69 kV
Fishermen's Atlantic City Windfarm (FACW) filed twice, and neither was built.
- Built
- 2
- Withdrawn
- 3
- In queue
- 0
PJM · Indiana
Jay 138 kV
Bitter Ridge Wind Farm filed twice, and one of them was built.
- Built
- 1
- Withdrawn
- 2
- In queue
- 5
PJM · New Jersey
Kearny
Kearny Generating Station filed three times, and all three were built.
- Built
- 4
- Withdrawn
- 1
- In queue
- 0
PJM · Indiana
Keystone 345 kV
Montpelier filed twice, and both were built.
- Built
- 2
- Withdrawn
- 3
- In queue
- 0
PJM · New Jersey
Linden 230 kV
1,647 MW filed. 105 MW built.
- Built
- 2
- Withdrawn
- 3
- In queue
- 2
PJM · Ohio
Marysville-Flatlick 765 kV
Three of nine requests withdrew; six are still in the queue.
- Built
- 0
- Withdrawn
- 3
- In queue
- 6
PJM · Ohio
Marysville-Sorenson 765 kV
Seven of nine requests withdrew; two are still in the queue.
- Built
- 0
- Withdrawn
- 7
- In queue
- 2
PJM · New Jersey
Mickleton 230 kV
West Deptford Energy Station filed twice, and both were built.
- Built
- 2
- Withdrawn
- 4
- In queue
- 0
PJM · Pennsylvania
Montour 230 kV
647 MW filed. 7 MW built.
- Built
- 1
- Withdrawn
- 7
- In queue
- 5
PJM · Illinois
Nelson-Electric Junction 345 kV
Three of nine requests withdrew; six are still in the queue.
- Built
- 0
- Withdrawn
- 3
- In queue
- 6
PJM · Virginia
North Anna 500 kV
North Anna Unit 1 filed twice, and both were built.
- Built
- 4
- Withdrawn
- 1
- In queue
- 0
PJM · Virginia
Oak Hall
Four of the five requests here were built.
- Built
- 4
- Withdrawn
- 1
- In queue
- 0
PJM · Indiana
Olive-Dequine 345 kV
Completions here ranged from 2.8 to 9.8 years.
- Built
- 3
- Withdrawn
- 4
- In queue
- 0
PJM · New Jersey
Red Oak 230 kV
The largest request here withdrew. The smallest, 10 MW, was built.
- Built
- 1
- Withdrawn
- 4
- In queue
- 0
PJM · Pennsylvania
South Bend 500 kV
The station filed four times. Its three smallest requests were built.
- Built
- 3
- Withdrawn
- 3
- In queue
- 0
PJM · New Jersey
Sussex
Four withdrawals, and one 7.5 MW project.
- Built
- 1
- Withdrawn
- 4
- In queue
- 0
PJM · Ohio
Tait 69 kV
AES Tait Energy Storage filed twice, and both were built.
- Built
- 4
- Withdrawn
- 1
- In queue
- 0
CAISO · 37
CAISO interconnection queue guideCAISO · California
Antelope 230 kV
Five of nine requests withdrew; four are still in the queue.
- Built
- 0
- Withdrawn
- 5
- In queue
- 4
CAISO · California
Antelope Substation 66 kV
1,120 MW filed. 90 MW built.
- Built
- 5
- Withdrawn
- 9
- In queue
- 0
CAISO · California
Arco 230 kV
Nine of fourteen requests withdrew; five are still in the queue.
- Built
- 0
- Withdrawn
- 9
- In queue
- 5
CAISO · California
Arco Substation 70 kV
Eleven of twelve requests withdrew; one is still in the queue.
- Built
- 0
- Withdrawn
- 11
- In queue
- 1
CAISO · California
Birds Landing 230 kV
Eleven of eighteen requests withdrew; two reached operation.
- Built
- 2
- Withdrawn
- 11
- In queue
- 5
CAISO · California
Borrego Substation 69 kV
442 MW filed. 26 MW built.
- Built
- 1
- Withdrawn
- 10
- In queue
- 0
CAISO · California
Boulevard East Substation 138 kV
Seven of nine requests withdrew; two are still in the queue.
- Built
- 0
- Withdrawn
- 7
- In queue
- 2
CAISO · California
Colorado River Substation 230 kV
Three projects filed the same day. Two were built, one withdrew.
- Built
- 3
- Withdrawn
- 11
- In queue
- 2
CAISO · Nevada
Control Substation 115 kV bus
Fourteen requests and 1,091 MW filed. None built.
- Built
- 0
- Withdrawn
- 14
- In queue
- 0
CAISO · Arizona / California
Delaney Substation 500 kV
Seven of ten requests withdrew; three are still in the queue.
- Built
- 0
- Withdrawn
- 7
- In queue
- 3
CAISO · California
Devers Substation 230 kV
Six withdrawals, and one 405.85 MW project.
- Built
- 1
- Withdrawn
- 6
- In queue
- 1
CAISO · California
Gates Substation 230 kV
1,144 MW filed. 20 MW built.
- Built
- 1
- Withdrawn
- 6
- In queue
- 0
CAISO · California
Highwind Substation 230 kV
3,428 MW filed. 162 MW built.
- Built
- 1
- Withdrawn
- 13
- In queue
- 0
CAISO · Arizona
Hoodoo Wash Switchyard 500 kV
Ten years from request to operation, while four neighbours withdrew.
- Built
- 2
- Withdrawn
- 5
- In queue
- 6
CAISO · California
Kramer Substation 230 kV
1,598 MW filed. 169 MW built.
- Built
- 1
- Withdrawn
- 3
- In queue
- 5
CAISO · California
Lamont Substation 115 kV
Eight of eleven requests withdrew; three are still in the queue.
- Built
- 0
- Withdrawn
- 8
- In queue
- 3
CAISO · California
Los Banos 230 kV
Eight of eleven requests withdrew; three are still in the queue.
- Built
- 0
- Withdrawn
- 8
- In queue
- 3
CAISO · California
Los Banos 500 kV
Eleven of thirteen requests withdrew; two are still in the queue.
- Built
- 0
- Withdrawn
- 11
- In queue
- 2
CAISO · California
Lugo 500 kV
Seven of eighteen requests withdrew; eleven are still in the queue.
- Built
- 0
- Withdrawn
- 7
- In queue
- 11
CAISO · California
Manning 500 kV
Fifteen of 24 requests withdrew; nine are still in the queue.
- Built
- 0
- Withdrawn
- 15
- In queue
- 9
CAISO · California
Mendota Substation 115 kV
1,231 MW filed. 60 MW built.
- Built
- 1
- Withdrawn
- 12
- In queue
- 4
CAISO · California
Mira Loma Substation 230 kV
Eight of twelve requests withdrew; four are still in the queue.
- Built
- 0
- Withdrawn
- 8
- In queue
- 4
CAISO · Nevada / California
Mohave Substation 500 kV
Nine of thirteen requests withdrew; four are still in the queue.
- Built
- 0
- Withdrawn
- 9
- In queue
- 4
CAISO · California
Otay Mesa Switchyard 230 kV
Twenty-two years at one switchyard: gas built, then storage queued.
- Built
- 6
- Withdrawn
- 5
- In queue
- 3
CAISO · California
Pisgah Substation 230 kV
Fourteen of seventeen requests withdrew; three are still in the queue.
- Built
- 0
- Withdrawn
- 14
- In queue
- 3
CAISO · California
Quinto Switching Station 230 kV
Eight of twelve requests withdrew; four are still in the queue.
- Built
- 0
- Withdrawn
- 8
- In queue
- 4
CAISO · California
Red Bluff Substation 500 kV
Six of ten requests withdrew; four are still in the queue.
- Built
- 0
- Withdrawn
- 6
- In queue
- 4
CAISO · California
Schindler Substation 115 kV Bus
Nine requests and 613 MW filed. None built.
- Built
- 0
- Withdrawn
- 9
- In queue
- 0
CAISO · Nevada / California
Sloan Canyon 230 kV
Eight of nine requests withdrew; one is still in the queue.
- Built
- 0
- Withdrawn
- 8
- In queue
- 1
CAISO · California
Stroud switching station 70 kV
Five withdrawals, and one 20 MW project.
- Built
- 1
- Withdrawn
- 5
- In queue
- 0
CAISO · California
Tranquility 230 kV
Six of fourteen requests withdrew; eight are still in the queue.
- Built
- 0
- Withdrawn
- 6
- In queue
- 8
CAISO · Nevada / California
Trout Canyon Substation 230 kV
Five of fourteen requests withdrew; nine are still in the queue.
- Built
- 0
- Withdrawn
- 5
- In queue
- 9
CAISO · Nevada / California
Valley Switch 230 kV
Four of ten requests withdrew; six are still in the queue.
- Built
- 0
- Withdrawn
- 4
- In queue
- 6
CAISO · California
Victor Substation 230 kV
The largest request here withdrew. The smallest, 100 MW, was built.
- Built
- 1
- Withdrawn
- 5
- In queue
- 0
CAISO · California
Vincent Substation 230 kV
5,195 MW filed. 188 MW built.
- Built
- 2
- Withdrawn
- 9
- In queue
- 5
CAISO · California
Whirlwind Substation 230 kV
Fourteen years, three technologies, and one project that waited 12.9 years.
- Built
- 6
- Withdrawn
- 10
- In queue
- 7
CAISO · California
Windhub Substation 230 kV
Two projects built, four withdrew, from the same two filing windows.
- Built
- 3
- Withdrawn
- 8
- In queue
- 5
SPP · 11
SPP interconnection queue guideSPP · Oklahoma / Texas
Beaver County 345 kV Substation
Five of nine requests withdrew; four are still in the queue.
- Built
- 0
- Withdrawn
- 5
- In queue
- 4
SPP · Kansas
Carpenter 345 kV Substation
Eight of nine requests withdrew; one is still in the queue.
- Built
- 0
- Withdrawn
- 8
- In queue
- 1
SPP · South Dakota
Chappelle Creek 345 kV
Eight of nine requests withdrew; one reached operation.
- Built
- 1
- Withdrawn
- 8
- In queue
- 0
SPP · Oklahoma
Minco 345 kV
Seven of sixteen requests reached commercial operation.
- Built
- 7
- Withdrawn
- 6
- In queue
- 3
SPP · Texas
Plant X 230 kV Substation
Fourteen of fifteen requests withdrew; one is still in the queue.
- Built
- 0
- Withdrawn
- 14
- In queue
- 1
SPP · Oklahoma
Riverside 345 kV Substation
Five of fourteen requests withdrew; nine are still in the queue.
- Built
- 0
- Withdrawn
- 5
- In queue
- 9
SPP · Kansas
Setab 345 kV Substation
Seven of twelve requests withdrew; five are still in the queue.
- Built
- 0
- Withdrawn
- 7
- In queue
- 5
SPP · Oklahoma
Sweetwater 230 kV
The node where almost everything got built.
- Built
- 4
- Withdrawn
- 1
- In queue
- 0
SPP · Texas
Tolk 230 kV Substation
Seven of ten requests withdrew; three are still in the queue.
- Built
- 0
- Withdrawn
- 7
- In queue
- 3
SPP · Texas
TUCO 345 kV
Three wind requests filed and withdrawn on the same days.
- Built
- 3
- Withdrawn
- 4
- In queue
- 0
SPP · Oklahoma
Woodward EHV 345 kV
Five requests over 2007 to 2021, one of them built.
- Built
- 1
- Withdrawn
- 2
- In queue
- 2
MISO · 3
MISO interconnection queue guideMISO · Market-wide
Market-wide queue vintages
Each queue vintage got bigger, and less of it got built.
- Built
- 175
- Withdrawn
- 750
- In queue
- 243
MISO · Indiana
Reynolds 345 kV Substation
Four of nine requests reached commercial operation.
- Built
- 4
- Withdrawn
- 2
- In queue
- 3
MISO · Arkansas
Sheridan EHV - El Dorado EHV 500 kV
Seven of ten requests withdrew; three are still in the queue.
- Built
- 0
- Withdrawn
- 7
- In queue
- 3
NYISO · 1
NYISO interconnection queue guideISO-NE · 2
ISO-NE interconnection queue guideERCOT · 19
ERCOT interconnection queue guideERCOT · Texas
Amos Cr 345 kV
All four requests filed here reached commercial operation.
- Built
- 4
- Withdrawn
- 0
- In queue
- 0
ERCOT · Texas
Asherton 138 kV
Two of four requests withdrew; one reached operation.
- Built
- 1
- Withdrawn
- 2
- In queue
- 1
ERCOT · Texas
Bakersfield 345 kV
Four of seven requests reached commercial operation.
- Built
- 4
- Withdrawn
- 3
- In queue
- 0
ERCOT · Texas
Cenizo 345 kV
Three of six requests withdrew; one reached operation.
- Built
- 1
- Withdrawn
- 3
- In queue
- 2
ERCOT · Texas
Clear Crossing 345 kV
Two of four requests reached commercial operation.
- Built
- 2
- Withdrawn
- 2
- In queue
- 0
ERCOT · Texas
Divide 345 kV
Three of four requests reached commercial operation.
- Built
- 3
- Withdrawn
- 0
- In queue
- 1
ERCOT · Texas
Hillje 345 kV
Four of ten requests withdrew; two reached operation.
- Built
- 2
- Withdrawn
- 4
- In queue
- 4
ERCOT · Texas
King Mt 138 kV
Three of four requests withdrew; one reached operation.
- Built
- 1
- Withdrawn
- 3
- In queue
- 0
ERCOT · Texas
Krum 345 kV
Two of three requests reached commercial operation.
- Built
- 2
- Withdrawn
- 1
- In queue
- 0
ERCOT · Texas
Lamesa 138 kV
Three of four requests reached commercial operation.
- Built
- 3
- Withdrawn
- 1
- In queue
- 0
ERCOT · Texas
Long Draw 138 kV
Three of five requests reached commercial operation.
- Built
- 3
- Withdrawn
- 2
- In queue
- 0
ERCOT · Texas
Peters 138 kV
Two of three requests withdrew; one reached operation.
- Built
- 1
- Withdrawn
- 2
- In queue
- 0
ERCOT · Texas
Pinto Creek 138 kV
Two of three requests reached commercial operation.
- Built
- 2
- Withdrawn
- 1
- In queue
- 0
ERCOT · Texas
Pomelo 345 kV
Two of four requests withdrew; one reached operation.
- Built
- 1
- Withdrawn
- 2
- In queue
- 1
ERCOT · Texas
Sam Switch 345 kV
Two of five requests reached commercial operation.
- Built
- 2
- Withdrawn
- 1
- In queue
- 2
ERCOT · Texas
Schneeman Draw 345 kV
Four of eight requests reached commercial operation.
- Built
- 4
- Withdrawn
- 4
- In queue
- 0
ERCOT · Texas
Tesla 345 kV
Three of eight requests withdrew; one reached operation.
- Built
- 1
- Withdrawn
- 3
- In queue
- 4
ERCOT · Texas
Twin Buttes 345 kV
All three requests filed here reached commercial operation.
- Built
- 3
- Withdrawn
- 0
- In queue
- 0
ERCOT · Texas
White River 345 kV
Two of three requests reached commercial operation.
- Built
- 2
- Withdrawn
- 1
- In queue
- 0
Source: Lawrence Berkeley National Laboratory, Queued Up: 2026 Edition — project-level interconnection queue dataset. Interconnection requests through year-end 2025. Used under CC BY 4.0; attribution to Lawrence Berkeley National Laboratory and GridTracker.
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