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54 MW Hydro operating in Burnet, TX — Electric Reliability Council of Texas, Inc.
54 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1951
Operating Since
Coordinates
30.5560, -98.3384
County
Burnet, TX
Nearby Plants
| 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 | — |
Wirtz Dam was constructed from 1949 to 1951 to provide hydroelectric power and to form Lake Lyndon B. Johnson, one of the Texas Highland Lakes. Lake LBJ ‒ as it is more commonly referred to ‒ provides cooling water for the Lower Colorado River Authority's Thomas C. Ferguson Power Plant along Horseshoe Bay.
Read more on WikipediaThe Granite Shoals hydroelectric plant is located in Burnet County, Texas. The plant has a total capacity of 54 MW across two generators and is owned and operated by the Lower Colorado River Authority. It began operating in 1951, utilizing conventional hydroelectric technology and water as its primary fuel source.
In the most recent year of available data, Granite Shoals generated 22,369 MWh of electricity, resulting in a capacity factor of 4.7%. The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region. Granite Shoals ranks as the 6th largest hydroelectric plant out of 24 in Texas, and 290th out of 1464 nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
Electric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Political Subdivision
Sector
Electric Utility
1.6K MWh
Latest Month
22.4K MWh
Annual Generation
4.7%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $123.9M
Point of Interconnection
Nearest Substation
Wirtz Substation · 138 kV
Substation Distance
0 km
Operator
Lower Colorado River Authority
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
WIR_WIRTZ_G1
Pricing Hub
HB_SOUTH
Alt. Hub / Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
Last updated 2026-03-26
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