220 MW BESS under construction in Galveston, TX — Electric Reliability Council of Texas, Inc.
220 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Coordinates
29.4890, -95.0365
County
Galveston, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Evelyn Energy Storage LLC | — | — |
| Owner(s) | Evelyn Energy Storage LLC | — | — |
| Status | Under construction | — | — |
The Hidden Lakes Reliability Project, located in Galveston County, Texas, is a 220 MW battery energy storage system. The plant is owned and operated by Evelyn Energy Storage LLC. It interconnects to the Electric Reliability Council of Texas (ERCOT) balancing authority.
The facility, which utilizes batteries as its primary fuel source (MWH), consists of a single generator. Hidden Lakes Reliability Project ranks as the 88th largest power plant in Texas out of 224 facilities, and 247th nationally out of 514.
Generated from EIA, GEM, and public data sources
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
−1 MWh
Net Charging
—
Annual Net Energy
—
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
No financial data available for this plant.
Market Position
ISO/RTO Market
ERCOT
LMP Node
EVLN_ESS_RN
Pricing Hub
HB_HOUSTON
Secondary Zone
LZ_HOUSTON
Location Type
Resource Node
Node Source
EIA-860 direct report
U.S. Energy Storage Projects Secure $1.8 Billion in Financing for 2026 - News and Statistics
Overview of three major financing packages totaling nearly $2 billion for large-scale battery energy storage projects in Texas, California,...
GridStor secures $120m for Gunnar Reliability Project in Texas
GridStor has secured a $120m financing package with NORD/LB and Siemens Financial Services for the Gunnar Reliability Project,...
Companies Announce Major Energy Storage Projects in Texas
A Colorado-based company focused on utility-scale battery energy storage has partnered with global technology group Wärtsilä and others for...
GridStor executes tolling agreement for Texas BESS, CPS Energy launches 500MW BESS RFP
GridStor, CPS Energy are making advancements on Texas BESS projects. GridStor is executing a tolling agreement, and CPS Energy issues an...
Last updated 2026-03-14
View all 10 articles