Marcos PV and BESS — Plant Summary
- EIA Plant ID
- 68080
- Capacity
- 231.8 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries, Solar Photovoltaic
- Status
- Planned
- Location
- Victoria, TX
- Operating Since
- —
- Generators
- 2
- Operator
- GRS BESS Texas Eight LLC
- Parent Company
- —
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Marcos PV and BESS
PlannedBESSSolarHybridGEM: pre-construction
Ranked #40 of 256 BESS plants in TX#123 of 837 nationally
231.8 MW Batteries (116 MW) + Solar Photovoltaic (116 MW) planned in Victoria, TX — Electric Reliability Council of Texas, Inc.
EIAGEM
231.8 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
Planned: —
Planned Operation
Location
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | GRS BESS Texas Eight LLC | — | — |
| Owner(s) | GRS BESS Texas Eight LLC | — | — |
| Status | Planned | pre-construction | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Marcos PV and BESS is a hybrid power plant located in Victoria County, Texas. The plant has a total capacity of 231.8 MW and is operated by GRS BESS Texas Eight LLC. It is comprised of two generators utilizing both solar photovoltaic and battery storage technologies. The primary fuel type is listed as MWH, indicating the plant draws power from the grid or on-site generation to charge the batteries.
The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and is within the TRE NERC region. Marcos PV and BESS is ranked as the 75th largest power plant in Texas out of 224, and nationally it is ranked 227 out of 514. The solar photovoltaic portion of the plant uses a fixed tilt tracking system.
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
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidencePoint of Interconnection
Nearest Substation
Runge Substation · 138 kV
Substation Distance
< 10 km
Operator
American Electric Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_SOUTH
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Nordheim West SubstationSubstation
Helena SubstationSubstation
News & Articles (3)Beta
Industry·corporate
Meralco power generation arm announces second grid-scale BESS project in Philippines
Power generation arm of Manila Electric Company (Meralco) is developing its second large-scale battery storage project in the Philippines.
Manila Electric Company (developer)Meralco (developer)
Energy-Storage.News·8 months ago
Industry·corporate
Huawei to provide 4.5GWh BESS for Philippines Terra Solar project
China-headquartered electronics firm Huawei has secured a supply agreement to provide a 4.5GWh battery energy storage system (BESS) for the Meralco Terra Solar...
Huawei (seller)Meralco Terra Solar (buyer)
Energy-Storage.News·1 years ago
Industry·corporate
'Decisive action on climate': World's largest solar PV and battery project underway in Philippines
Philippines president Ferdinand Marcos Jr attended as construction began on what is thought to be the world's largest power plant to combine solar PV and...
Ferdinand Marcos Jr (other)
PV Tech·1 years ago
Last updated 2026-03-14
View all articles