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- Wind & solar
- In development
- Operating
- 10 · 100 · 1,000 MW
Map
- Wind & solar
- In development
- Operating
Rambler: location and 2 exact-grade projects within 25 km. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Rambler
Power plant · Solar
Key facts
Power plant · Solarran 22% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 2020
- Net generation, 2025
- 376,921 MWh
- Grid
- 345 kV to Lower Colorado River Authority (ERCO)
- Location
- Tom Green County, Texas
- Operated by
- Deriva Energy
Output
Details
Who’s behind it
- Owner
- RE Rambler, LLC
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- Technology
- Solar source: “Solar Photovoltaic”
- Age
- 6 years since 2020
All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Gem |
|
| Grid |
|
| Fuel burned (MMBtu), 2025 | 1,286,055 |
| Capacity factor, 2025 | 0.215 |
| Net generation (MWh), 2025 | 376,921 |
| Balancing authority code | ERCO |
Solar arrays
Solar arrays
The array area counts panels and inverters only, not buildings, fences or the whole site.
USGS maps the center of this array 2.8 km from the point this page maps the plant at.
- Array area (acres)
- 1,451.6
- AC capacity (MW)
- 200
- DC capacity (MW)
- 266
- Mounting
- Single-axis tracking
- Site type
- Greenfield
- Began operating
- 2020
Source USPVDB
Source
- U.S. Large-Scale Solar Photovoltaic DatabaseMap services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb
Ownership
2 companies2| Company | Role | Share | As of | Source |
|---|---|---|---|---|
| Deriva Energy | Operator | EIA-860M | ||
| RE Rambler, LLC | Owner | 100.0% | 31 Dec 2025 | EIA-860 |
Timeline
- In service · EIA-860M
Sources
6 sourcesSources EIA-860M · GEM · USPVDB · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EIA-860 Annual Electric Generator Report — Schedule 4 Owner (ownership shares per generator), plus Plant/Generator schedules
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- Global Energy Monitor — Global Integrated Power Tracker (unit-level power plants, eight technologies, all statuses)Global Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
- U.S. Large-Scale Solar Photovoltaic Database (USPVDB) — USGS and LBNL; one row per facility with its array footprintMap services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb
- EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EIA-860 Annual Electric Generator Report — Schedule 4 Owner (ownership shares per generator), plus Plant/Generator schedules
Around this plant
Nearby
within 25 km| Project | Kind | Away | MW |
|---|---|---|---|
| Water Valley Wind Energy Contracted | Wind | 22.8 km | 180 |
| RE Bravepost LLC Postponed | Solar | 25.0 km | 200 |