Buchanan Dam (TX) — Plant Summary
- EIA Plant ID
- 3595
- Capacity
- 54.9 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Llano, TX
- Operating Since
- 1938
- Generators
- 3
- Operator
- Lower Colorado River Authority
- Parent Company
- Lower Colorado River Authority
- Annual Generation
- 17,098 MWh
- Capacity Factor
- 3.5%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Buchanan Dam (TX)
OperatingHydro
Ranked #5 of 24 Hydro plants in TX#283 of 1454 nationally
54.9 MW Hydro operating in Llano, TX — Electric Reliability Council of Texas, Inc.
EIAGEMWD
54.9 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1938
Operating Since
Location
Coordinates
30.7507, -98.4176
County
Llano, TX
Nearby Plants
- InksHydro15 MW · 3.7 km
- RedSun PV and BESSBESS168 MW · 20.9 km
- Thomas C FergusonNatural Gas574.6 MW · 21.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Lower Colorado River Authority | Lower Colorado River Authority | — |
| Owner(s) | Lower Colorado River Authority | Lower Colorado River Authority | — |
| Status | Operating | operating | — |
Ownership Chain
About
Buchanan Dam is a hydroelectric power plant located in Llano County, Texas. The plant has a total capacity of 54.9 MW derived from three generators using conventional hydroelectric technology. It is owned and operated by the Lower Colorado River Authority. Buchanan Dam began operating in 1938 and utilizes water (WAT) as its primary fuel source. The plant is within the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority.
In the most recent year with available data, Buchanan Dam generated 17,098 MWh of electricity, achieving a capacity factor of 3.5%. Buchanan Dam ranks as the 5th largest hydroelectric plant out of 24 in Texas, and 287th out of 1464 nationally. The plant is located within the TRE NERC region.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
138 kV
Regulatory Status
RE
Entity Type
Political Subdivision
Sector
Electric Utility
Generation
2.1K MWh
Latest Month
17.1K MWh
Annual Generation
3.5%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Buchanan Substation · 69 kV
Substation Distance
0 km
Operator
Lower Colorado River Authority
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
BUCHAN_ALL
Pricing Hub
HB_SOUTH
Secondary Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
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