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39.6 MW Hydro operating in Burnet, TX — Electric Reliability Council of Texas, Inc.
39.6 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1951
Operating Since
Coordinates
30.5553, -98.2576
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 | — | — |
The Marble Falls hydroelectric plant is located in Burnet County, Texas. It is owned and operated by the Lower Colorado River Authority (LCRA). The plant has a total capacity of 39.6 MW, distributed across two generators. Commissioned in 1951, the plant utilizes conventional hydroelectric technology and its primary fuel source is water.
In the most recent year with available data, Marble Falls generated 15,233 MWh of electricity, resulting in a capacity factor of 4.4%. The plant operates within the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority and the TRE NERC region. Marble Falls ranks as the 9th largest hydroelectric plant out of 24 in Texas, and 352nd 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
1.1K MWh
Latest Month
15.2K MWh
Annual Generation
4.4%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $90.9M
Point of Interconnection
Nearest Substation
Marble Falls Substation · 138 kV
Substation Distance
0 km
Operator
Lower Colorado River Authority
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
MARBFA
Pricing Hub
HB_SOUTH
Alt. Hub / Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
Last updated 2026-03-14
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ask pi about Marble FallsElectric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Political Subdivision
Sector
Electric Utility