Deals Counterparts

GridStor closes $120M financing for 150 MW / 300 MWh Gunnar Reliability Project BESS in Texas

Financing Storage announced United States Mar 10, 2026
USD120M
Deal Value
150 MW
Capacity
Gunnar Reliability Project
Project

GridStor secured a $120 million financing package from NORD/LB and Siemens Financial Services for its 150 MW / 300 MWh Gunnar Reliability Project, a battery energy storage facility in Hidalgo County, Texas. This transaction marks a significant milestone in GridStor's portfolio growth, focused on contracted revenues, and underscores the value of its reliability contributions to the Texas power grid. The project, GridStor’s second in Texas, is scheduled to enter service in late 2026 and will provide power equivalent to serving 95,000 average Texas households during peak demand.

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Deal Analysis

Goldman Sachs-backed GridStor has secured $120 million from NORD/LB and Siemens Financial Services for its 150 MW / 300 MWh Gunnar Reliability Project in Texas. This is the Portland-based developer's second utility-scale battery storage facility in the state, set to come online in late 2026 in Hidalgo County. The financing, provided by a German Landesbank and Siemens' dedicated financial arm, supports GridStor's strategy of building a contracted revenue portfolio. Once operational, the project will provide peak power for 95,000 Texas households, bolstering grid reliability.
  • $120 million financing for a 150 MW / 300 MWh BESS.
  • GridStor's second utility-scale project in Texas.
  • GridStor, launched in 2022, is backed by Goldman Sachs Asset Management.
  • Project to serve 95,000 Texas households during peak demand.

Source Intelligence

KEY DETAILS

The facility has a capacity of 300 MWh. Quote: "a 150 MW / 300 MWh battery energy storage facility"

Deal Size
$120 million financing package
Capacity
a 150 MW / 300 MWh battery energy storage facility
Location
in Hidalgo County, Texas.
Financials
$120 million financing package
Announcement
10 March 2026
PARTIES MENTIONED IN SOURCE
G
GridStor developer

"GridStor has closed a $120 million financing package for its Gunnar Reliability Project"

N
NORD/LB lender

"GridStor closes Texas BESS deal with NORD/LB and Siemens Financial Services"

S
Siemens Financial Services lender

"GridStor closes Texas BESS deal with NORD/LB and Siemens Financial Services"

low quality Enriched Mar 10, 2026

Timeline

Announced
Mar 10, 2026
Signed
Closed

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