Brown County, South Dakota — Interconnection Projects

The interXdata warehouse tracks 22 interconnection projects in Brown, South Dakota, representing 1,985 MW of requested capacity.

22Total projects

4Active

10Operational

8Withdrawn

1,985 MWRequested capacity

Technology mix

Technology	Projects	Requested capacity
Gas	12	833 MW
Wind	6	746 MW
Solar	2	370 MW
Other	2	37 MW

Projects

Project	Queue ID	Technology	Capacity	Status	Location
Groton 345 kV Substation	GEN-2024-035	Solar	270.0 MW	operational	Brown, South Dakota
Ellendale 345 - Twin Brooks 345.0kV	J1989	Wind	250.0 MW	withdrawn	Brown, South Dakota
West Queue Project GI-0820 — Gas in Brown, South Dakota	GI-0820	Gas	120.0 MW	withdrawn	Brown, South Dakota
West Queue Project GI-0316 — Gas in Brown, South Dakota	GI-0316	Gas	110.0 MW	operational	Brown, South Dakota
Groton Generation Station	56238_GT01	Gas	108.2 MW	operational	Brown, South Dakota
Groton Generation Station	56238_GT02	Gas	108.2 MW	operational	Brown, South Dakota
West Queue Project GI-0608 — Gas in Brown, South Dakota	GI-0608	Gas	106.0 MW	operational	Brown, South Dakota
Groton South 115 kV Substation	GEN-2023-084	Solar	100.0 MW	withdrawn	Brown, South Dakota
West Queue Project GI-0918 — Wind in Brown, South Dakota	GI-0918	Wind	100.0 MW	operational	Brown, South Dakota
West Queue Project GI-1505 — Wind in Brown, South Dakota	GI-1505	Wind	99.0 MW	active	Brown, South Dakota
West Queue Project GI-1411 — Wind in Brown, South Dakota	GI-1411	Wind	99.0 MW	withdrawn	Brown, South Dakota
West Queue Project GI-1214 — Wind in Brown, South Dakota	GI-1214	Wind	99.0 MW	withdrawn	Brown, South Dakota
West Queue Project GI-0910 — Wind in Brown, South Dakota	GI-0910	Wind	99.0 MW	withdrawn	Brown, South Dakota
West Queue Project GI-0819 — Gas in Brown, South Dakota	GI-0819	Gas	96.0 MW	withdrawn	Brown, South Dakota
Aberdeen CT	3338_2	Gas	82.2 MW	operational	Brown, South Dakota
West Queue Project GI-1004 — Gas in Brown, South Dakota	GI-1004	Gas	60.0 MW	operational	Brown, South Dakota
Aberdeen CT	3338_GT1	Other	28.8 MW	operational	Brown, South Dakota
Aberdeen CT	3338_3	Gas	16.0 MW	active	Brown, South Dakota
Aberdeen CT	3338_4	Gas	16.0 MW	active	Brown, South Dakota
West Queue Project GI-0314 — Other in Brown, South Dakota	GI-0314	Other	8.0 MW	operational	Brown, South Dakota
West Queue Project 403 — Gas in Brown, South Dakota	403	Gas	5.0 MW	withdrawn	Brown, South Dakota
West Queue Project 456 — Gas in Brown, South Dakota	456	Gas	5.0 MW	active	Brown, South Dakota

Top developers

Developer (canonical)	Projects	Capacity
BEPC	2	216 MW
Day County Wind, LLC	2	199 MW
NorthWestern Energy	1	60 MW

Explore related data

Source last checked2026-07-31

Data last materially changed2026-08-27

Page data generated2026-08-27

Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned); Lawrence Berkeley National Laboratory — Queued Up interconnection dataset; MISO — generator interconnection queue; 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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