Marble Falls — Plant Summary
- EIA Plant ID
- 3599
- Capacity
- 39.6 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Burnet, TX
- Operating Since
- 1951
- Generators
- 2
- Operator
- Lower Colorado River Authority
- Parent Company
- Lower Colorado River Authority
- Annual Generation
- 15,233 MWh
- Capacity Factor
- 4.4%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Marble Falls
OperatingHydro
Ranked #9 of 24 Hydro plants in TX#348 of 1454 nationally
39.6 MW Hydro operating in Burnet, TX — Electric Reliability Council of Texas, Inc.
EIAWD
39.6 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1951
Operating Since
Location
Coordinates
30.5553, -98.2576
County
Burnet, TX
Nearby Plants
- University of Iowa Main Power PlantNatural Gas40.5 MW · 0.1 km
- Granite ShoalsHydro54 MW · 7.7 km
- Thomas C FergusonNatural Gas574.6 MW · 11.0 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 | — | — |
Ownership Chain
About
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
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
1.1K MWh
Latest Month
15.2K MWh
Annual Generation
4.4%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint 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
Secondary Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
News & Articles (10)Beta
General
LCRA weatherman to offer forecast insights on conditions
The Highland Lakes Native Plant Society of Texas (HLNPS) will meet to hear about “Spring and Early Summer Weather.
Burnet Bulletin·2 months ago
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MIT Energy Initiative·4 months ago
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AZoCleantech·9 months ago
Last updated 2026-03-14
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