GRDA — Interconnection Queue Projects

GRDA is associated with 33 tracked interconnection projects representing 6,802 MW of requested capacity.

Entity resolution: single source organization name; no cluster merge applied.

33Projects
11Active
8Operational
14Withdrawn
6,802 MWRequested capacity
0Markets

Capacity by technology

TechnologyProjectsRequested capacity
Solar122,331 MW
Battery101,708 MW
Other61,202 MW
Gas31,051 MW
Wind2510 MW

Geographic footprint

StateProjects
Oklahoma32
Arkansas1

Projects

ProjectQueue IDTechnologyCapacityStatusLocation
GREC #2 Interconnect Substation – 345kVGEN-2024-GR5Battery594.0 MWactiveChouteau, Oklahoma
GEN-2016-154GEN-2016-154Other540.0 MWwithdrawnMayes, Oklahoma
Tap N Tulsa - GRDA 1 345kVGEN-2013-028Gas538.0 MWoperationalMayes, Oklahoma
Tulsa North - Igloo Valley 345 kV lineGEN-2024-294Solar500.0 MWoperationalMayes, Oklahoma
Stillwater Northtap 138 kV SubstationGEN-2024-247Gas456.6 MWwithdrawnPayne, Oklahoma
Grec #1 Interconnect 161kV SubstationERAS-2025-009Other450.0 MWoperationalChouteau, Oklahoma
GREC #2 Interconnect Substation – 345kVGEN-2024-GR2Solar442.0 MWwithdrawnChouteau, Oklahoma
GEN-2008-057GEN-2008-057Wind259.5 MWwithdrawnPawnee County, Oklahoma
GRDA1 - Tonece7 345 kV LineGEN-2023-138Wind250.0 MWwithdrawnDeleware, Oklahoma
Tulsa (Bus #509852) - Igloo (Bus #513596) 345kV lineGEN-2021-047Solar250.0 MWactiveMayes, Oklahoma
Tulsa North - Grand River Energy Center 345 kV LineGEN-2024-171Battery250.0 MWoperationalTulsa, Oklahoma
Dry Gulch - Pensacola 161 kV LineGEN-2023-028Solar230.0 MWwithdrawnMayes, Oklahoma
Grand River Dam - Claremore 161 kV LineGEN-2022-072Solar181.0 MWwithdrawnMayes, Oklahoma
Pawnee Switch 138 kVGEN-2023-057Battery150.0 MWactivePawnee, Oklahoma
Dry Gulch - Pensacola 161 kV LineGEN-2023-049Solar150.0 MWwithdrawnMayes, Oklahoma
Flint Creek to Tonnece 345 kVGEN-2021-079Solar140.0 MWwithdrawnDelaware (ok) / Benton (ar), Oklahoma
Silver City 138 kV SubstationGEN-2024-169Battery140.0 MWwithdrawnCreek, Oklahoma
GRDA1 to CLARMR 5 161kV lineGEN-2023-SR27Battery101.5 MWactiveMayes County, Oklahoma
GRDA1 to CLARMR 5 161kV lineGEN-2017-061Solar101.5 MWactiveMayes County, Oklahoma
Silver City 138 kV SubstationGEN-2022-156Battery100.0 MWactiveCreek, Oklahoma
Kerr Grove 161 kVGEN-2023-055Battery100.0 MWactiveMayes County, Oklahoma
Maid 161kV substationGEN-2019-002Battery100.0 MWactiveMayes, Oklahoma
Kerr Dam 161 kV SubstationGEN-2024-180Battery100.0 MWwithdrawnMayes, Oklahoma
Maid 161kV substationGEN-2025-SR19Other100.0 MWactiveChouteau, Oklahoma
Dry Gulch - Pensacola 161 kV LineGEN-2024-160Solar100.0 MWwithdrawnCraig, Oklahoma
345 kV bus of GRDA GREC 1 & 2 SubstationGEN-2024-SR1Solar84.0 MWwithdrawnChouteau, Oklahoma
Tonnece Substation 69kVGEN-2018-064Solar80.0 MWactiveBenton County, Arkansas
Dry Gulch 161kV subGEN-2023-SR25Battery72.5 MWactiveMayes County, Oklahoma
Dry Gulch 161kV subGEN-2017-073Solar72.5 MWoperationalMayes County, Oklahoma
Ferguson 69kVASGI-2014-014Other56.4 MWoperationalPayne County, Oklahoma
Coffeyville City 69kVASGI-2015-004Gas56.4 MWoperationalNowata, Oklahoma
Grand River Energy Center 161kVGEN-2018-034Other40.0 MWwithdrawnMayes, Oklahoma
GEN-2008-005GEN-2008-005Other16.0 MWoperationalMayes County, Oklahoma

Recent material changes

ObservedProjectFieldOldNew
2026-08-06Dry Gulch 161kV substatusactiveoperational
2026-08-06Dry Gulch 161kV subproposed_online_date2026-05-08
2026-08-06Dry Gulch 161kV suboperational_date2021-12-01

Explore related data

Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27

Provenance: Southwest Power Pool — generator interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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