Buchanan Dam (TX)
Buchanan Dam (TX) is a 55 MW hydroelectric power plant in Llano County, Texas, operated by Lower Colorado River Authority. EIA-860M lists 3 generating units here, inside ERCOT. Its units entered service between 1938 and 1950.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 54.9 MW
- 54.9 MW net summer
- Generating units
- 3
- In service
- 1938–1950
- EIA plant ID
- 3595
Where it is
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- County
- Llano County, Texas
- Coordinates
- 30.7507, -98.4176
- Balancing authority
- ERCO
- Sector
- Electric Utility
Units, technology and status
- Operator of record
- Lower Colorado River Authority
- Primary energy source
- Hydro
- Technologies
- Conventional Hydroelectric
- Status
- Operating
Buchanan Dam (TX): FAQ
- Where is Buchanan Dam (TX)?
- In Llano County, Texas (TX). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Buchanan Dam (TX)?
- 55 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
- Who owns Buchanan Dam (TX)?
- EIA-860M names Lower Colorado River Authority as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as Buchanan Dam (TX) LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Lower Colorado River Authority here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Buchanan Dam (TX) LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Buchanan Dam (TX) still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.