Ask the Grid
Create free workspace
Dashboard
Markets
United States
ERCOT logoERCOT
NYISO logoNYISO
CAISO logoCAISO
All markets
Your work
Saved
Alerts
Reports
Reference
Wire
Stories
Views
Data
Preferences
Create free workspace
Developers
Help
History
Settings
Invites
Website · About · Legal · Privacy · Changelog · © 2026 Parisi Labs
  1. Home
  2. /Assets
  3. /Compare

Compare power plants

Registry, engineering, and operating metrics shown on a consistent EIA basis.

MetricThomas C Ferguson
Llano County
Arthur Von Rosenberg
Bexar County
Capacity574.6 MW575 MW
TechnologyNatural Gas Fired Combined CycleNatural Gas Fired Combined Cycle
OperatorLower Colorado River AuthorityCity of San Antonio - (TX)
Operating units43
Latest 12-month generation3.74 TWh3.44 TWh
Latest complete-year capacity factor72.1% (2025)71.7% (2025)
National technology rank#273 of 538#272 of 538
Latest EIA report2026-062026-06

Generation comes from EIA-923. Capacity, unit counts, technology, and reporting relationships come from EIA-860. Incomplete reporting years are excluded from capacity-factor comparisons.