Gunnar Reliability BESS — 150 MW / 300 MWh, Hidalgo County, Texas (Lower Rio Grande Valley, ERCOT)
GridStor acquires 150 MW/300 MWh BESS from Balanced Rock Power in ERCOT's Lower Rio Grande Valley. Expected operational summer 2026. GridStor's 5 GW+ pipeline across western/central US.
150MW
Capacity
300MWh
Storage
BESS
Technology
TX
Location
Deal Details
- Deal Type
- Project & Portfolio M&A
- Seller / Sponsor
- Balanced Rock Power
- Buyer / Financier
- GridStor
- Deal Value
- Undisclosed
- Stage
- Development
- ISO/RTO
- ERCOT
- Source
- Energy Storage News
Related Deals
White Tank BESS — 100 MW / 400 MWh, Maricopa County, Arizona
Strata Clean Energy → GridStor
100 MW
Gunnar Reliability Project — 150 MW / 300 MWh BESS in Hidalgo County, Texas
GridStor → NORD/LB, Siemens Financial Services
$120M
GridStor Hidden Lakes Reliability Project — 220 MW / 440 MWh BESS, Galveston County TX — Axpo Revenue Swap (100 MW)
GridStor (Goldman Sachs Asset Management) → Axpo U.S.
REE Automotive — modular EV "REEcorner" platform for fleets
REE Automotive (NASDAQ: REE) → 10X Capital Venture + $300M PIPE
$3.1B combined value; >$500M proceeds (incl. $300M PIPE)
Microvast — Li-ion battery systems for EVs and energy storage (ultra-fast charging, high cycle life)
Microvast Inc. → Tuscan Holdings Corp.
$3B (pro forma equity)
WGL Holdings — Washington Gas Light + non-regulated power/marketing/midstream
AltaGas Ltd.
C$8.4B (~$6.4B USD; $88.25/share cash)
Get deals like this in your inbox
Free weekly clean energy deal intelligence. Every Monday.