Anna Substation, Collin County, Texas
Anna Substation is a 345 kV station in Collin County, Texas, owned by Oncor with 10 transmission lines connected. It is classed as a transmission station: load service would need a new transformer or a distribution sub fed from it. 6 queued projects name it as their point of interconnection.
Station facts
| Owner | Oncor |
| Voltage | 345 kV |
| Status | In Service |
| Station class | transmission (high confidence) |
| Likely serving utility nearby | Grayson Collin Electric Cooperative Inc |
| Jurisdiction | Inside an estimated city ETJ; nearest city Weston (0 mi) |
| Coordinates | 33.3179, -96.6392 |
Interconnection queue at Anna Substation
3 generation projects name this station as point of interconnection: 1 solar and 2 wind. 3 battery storage projects, 2 with a signed interconnection agreement.
From the ERCOT GIS report. Developers, MW and dates are on Pro.
Nearby substations
| Substation | Voltage | Owner | Distance |
|---|---|---|---|
| Unnamed station | 138 kV | Grayson Collin Electric Cooperative Inc | 0.93 mi |
| Unnamed station | 138 kV | Grayson Collin Electric Cooperative Inc | 2.63 mi |
| Tap302443 | 345 kV | Grayson Collin Electric Cooperative Inc | 2.64 mi |
| Unnamed station | 138 kV | Grayson Collin Elec Co Op | 3.04 mi |
| Tap307967 | 138 kV | Grayson Collin Elect Corp | 5.87 mi |
| Unnamed station | 138 kV | Grayson Collin Elect Corp | 5.89 mi |
| Unnamed station | 138 kV | Grayson Collin Electric Cooperative Inc | 6.49 mi |
Wholesale prices nearby
The NORTH load zone averaged $39.98/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: FRMR_BS2_RN1 $40.05, OLIN_OLING_1 $40.33 and DRAK_ESS_RN $40.34.
See Anna Substation on the map
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Sources: HIFLD and OpenStreetMap substations and lines, ERCOT GIS report (queue, 2026-09), ERCOT day-ahead prices, TxDOT and StratMap boundaries, Barrio Energy research. Updated 2026-11-09. Screening data only; the serving utility confirms capacity.