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
10Active
9Operational
14Withdrawn
6,802 MWRequested capacity
0Markets
Capacity by technology
| Technology | Projects | Requested capacity |
|---|---|---|
| Solar | 12 | 2,331 MW |
| Battery | 10 | 1,708 MW |
| Other | 6 | 1,202 MW |
| Gas | 3 | 1,051 MW |
| Wind | 2 | 510 MW |
Geographic footprint
Projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| GREC #2 Interconnect Substation – 345kV | GEN-2024-GR5 | Battery | 594.0 MW | operational | Chouteau, Oklahoma |
| GEN-2016-154 | GEN-2016-154 | Other | 540.0 MW | withdrawn | Mayes, Oklahoma |
| Tap N Tulsa - GRDA 1 345kV | GEN-2013-028 | Gas | 538.0 MW | operational | Mayes, Oklahoma |
| Tulsa North - Igloo Valley 345 kV line | GEN-2024-294 | Solar | 500.0 MW | operational | Mayes, Oklahoma |
| Stillwater Northtap 138 kV Substation | GEN-2024-247 | Gas | 456.6 MW | withdrawn | Payne, Oklahoma |
| Grec #1 Interconnect 161kV Substation | ERAS-2025-009 | Other | 450.0 MW | active | Chouteau, Oklahoma |
| GREC #2 Interconnect Substation – 345kV | GEN-2024-GR2 | Solar | 442.0 MW | withdrawn | Chouteau, Oklahoma |
| GEN-2008-057 | GEN-2008-057 | Wind | 259.5 MW | withdrawn | Pawnee County, Oklahoma |
| Tulsa (Bus #509852) - Igloo (Bus #513596) 345kV line | GEN-2021-047 | Solar | 250.0 MW | active | Mayes, Oklahoma |
| GRDA1 - Tonece7 345 kV Line | GEN-2023-138 | Wind | 250.0 MW | withdrawn | Deleware, Oklahoma |
| Tulsa North - Grand River Energy Center 345 kV Line | GEN-2024-171 | Battery | 250.0 MW | operational | Tulsa, Oklahoma |
| Dry Gulch - Pensacola 161 kV Line | GEN-2023-028 | Solar | 230.0 MW | withdrawn | Mayes, Oklahoma |
| Grand River Dam - Claremore 161 kV Line | GEN-2022-072 | Solar | 181.0 MW | withdrawn | Mayes, Oklahoma |
| Dry Gulch - Pensacola 161 kV Line | GEN-2023-049 | Solar | 150.0 MW | withdrawn | Mayes, Oklahoma |
| Pawnee Switch 138 kV | GEN-2023-057 | Battery | 150.0 MW | active | Pawnee, Oklahoma |
| Silver City 138 kV Substation | GEN-2024-169 | Battery | 140.0 MW | withdrawn | Creek, Oklahoma |
| Flint Creek to Tonnece 345 kV | GEN-2021-079 | Solar | 140.0 MW | withdrawn | Delaware (ok) / Benton (ar), Oklahoma |
| GRDA1 to CLARMR 5 161kV line | GEN-2017-061 | Solar | 101.5 MW | operational | Mayes County, Oklahoma |
| GRDA1 to CLARMR 5 161kV line | GEN-2023-SR27 | Battery | 101.5 MW | active | Mayes County, Oklahoma |
| Silver City 138 kV Substation | GEN-2022-156 | Battery | 100.0 MW | active | Creek, Oklahoma |
| Maid 161kV substation | GEN-2019-002 | Battery | 100.0 MW | active | Mayes, Oklahoma |
| Dry Gulch - Pensacola 161 kV Line | GEN-2024-160 | Solar | 100.0 MW | withdrawn | Craig, Oklahoma |
| Kerr Dam 161 kV Substation | GEN-2024-180 | Battery | 100.0 MW | withdrawn | Mayes, Oklahoma |
| Maid 161kV substation | GEN-2025-SR19 | Other | 100.0 MW | active | Chouteau, Oklahoma |
| Kerr Grove 161 kV | GEN-2023-055 | Battery | 100.0 MW | active | Mayes County, Oklahoma |
| 345 kV bus of GRDA GREC 1 & 2 Substation | GEN-2024-SR1 | Solar | 84.0 MW | withdrawn | Chouteau, Oklahoma |
| Tonnece Substation 69kV | GEN-2018-064 | Solar | 80.0 MW | active | Benton County, Arkansas |
| Dry Gulch 161kV sub | GEN-2023-SR25 | Battery | 72.5 MW | active | Mayes County, Oklahoma |
| Dry Gulch 161kV sub | GEN-2017-073 | Solar | 72.5 MW | operational | Mayes County, Oklahoma |
| Ferguson 69kV | ASGI-2014-014 | Other | 56.4 MW | operational | Payne County, Oklahoma |
| Coffeyville City 69kV | ASGI-2015-004 | Gas | 56.4 MW | operational | Nowata, Oklahoma |
| Grand River Energy Center 161kV | GEN-2018-034 | Other | 40.0 MW | withdrawn | Mayes, Oklahoma |
| GEN-2008-005 | GEN-2008-005 | Other | 16.0 MW | operational | Mayes County, Oklahoma |
Recent material changes
| Observed | Project | Field | Old | New |
|---|---|---|---|---|
| 2026-09-17 | GREC #2 Interconnect Substation – 345kV | operational_date | — | 2026-10-01 |
| 2026-09-17 | GREC #2 Interconnect Substation – 345kV | proposed_online_date | 2026-10-01 | — |
| 2026-09-17 | GREC #2 Interconnect Substation – 345kV | status | active | operational |
| 2026-09-10 | GRDA1 to CLARMR 5 161kV line | operational_date | — | 2021-12-01 |
| 2026-09-10 | GRDA1 to CLARMR 5 161kV line | proposed_online_date | 2026-08-31 | — |
| 2026-09-10 | GRDA1 to CLARMR 5 161kV line | status | active | operational |
| 2026-09-04 | Grec #1 Interconnect 161kV Substation | status | operational | active |
| 2026-09-04 | Grec #1 Interconnect 161kV Substation | proposed_online_date | — | 2026-10-01 |
| 2026-09-04 | Grec #1 Interconnect 161kV Substation | operational_date | 2026-08-01 | — |
Explore related data
Source last checked2026-07-31
Data last materially changed2026-10-12
Page data generated2026-10-12
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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