Black Mountain Energy Storage II — Interconnection Portfolio

Black Mountain Energy Storage II is associated with 15 tracked interconnection projects representing 4,980 MW of requested capacity.

Entity resolution: this developer rolls up 2 source organization name(s) that were auto-matched into a single canonical cluster. Attribution is inferred from source records and may include related special-purpose entities.

15Projects
0Active
7Operational
8Withdrawn
4,980 MWRequested capacity
1Markets

Capacity by technology

TechnologyProjectsRequested capacity
Gas22,972 MW
Other111,499 MW
Battery2509 MW

Portfolio by market

MarketProjects
ERCOT8

Geographic footprint

StateProjects
Texas13

Projects

ProjectQueue IDTechnologyCapacityStatusLocation
BM Great Rock Energy Center30INR0091Gas1,981.2 MWoperationalLeon, Texas
BM Freestone Energy Center29INR0298Gas990.6 MWoperationalFreestone, Texas
Barbers Hill BESS24INR0495Battery307.7 MWwithdrawn
Great Rock BESS25INR0230Other300.9 MWoperationalLeon, Texas
Goldeneye BESS25INR0100Other201.6 MWoperationalBell, Texas
Outer Loop BESS23INR0382Other201.2 MWoperationalHarris, Texas
Moonshine Hill BESS24INR0435Other201.2 MWwithdrawnHarris, Texas
Yellow Rose BESS26INR0338Battery201.0 MWwithdrawn
Canvasback BESS25INR0160Other150.5 MWwithdrawnCalhoun, Texas
Picadillo BESS24INR0275Other100.8 MWoperationalMartin, Texas
Goldeneye II BESS25INR0158Other100.8 MWwithdrawnBell, Texas
Hana Springs BESS24INR0494Other100.8 MWoperationalLampasas, Texas
Canvasback II BESS25INR0454Other50.4 MWwithdrawnCalhoun, Texas
Mallard BESS II25INR0137Other50.4 MWwithdrawnCollin, Texas
City Breeze II BESS25INR0496Other40.4 MWwithdrawnMatagorda, Texas

Recent material changes

No material field-level changes have been recorded against these projects since the baseline snapshot. interXdata records changes as new source snapshots are ingested and diffed.

Explore related data

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

Provenance: ERCOT — Generation Interconnection Status (GIS) report; Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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