What TransGrid Energy does

TransGrid Energy is a US utility-scale renewable energy developer, owner, and operator focused on standalone Battery Energy Storage Systems (BESS) and photovoltaic (PV) projects serving the CAISO market. Founded in 2023 as a wholly-owned subsidiary of Hanwha FutureProof (itself part of South Korean conglomerate Hanwha Group), the company is headquartered in Irvine, California and operates a portfolio of projects primarily in Arizona and Nevada. As of early 2026, the pipeline totals approximately 2.6 GW of BESS capacity with 729 MW operational, including the Atlas VII (300 MW/1,200 MWh), Atlas VIII (382.4 MW/1,529.6 MWh), Atlas IX (150 MW/600 MWh), and Silver Peak (279 MW/1,116 MWh) projects. Atlas II and Atlas IV PV projects add 538 MW of solar capacity.

The company finances, builds, and operates large infrastructure assets using a combination of project-level debt, tax equity, and Investment Tax Credit transfer structures under the Inflation Reduction Act, with EPC execution delivered by sister company Qcells. Revenue is generated primarily through long-term (15–20 year) Resource Adequacy contracts with California utilities, of which Southern California Edison is the named offtaker for Atlas VII, VIII, and IX. In April 2026, TransGrid extended its model into distributed AI infrastructure via the Micro AI Factory partnership with Prime Group, Microsoft Azure, and Qcells, deploying edge data centers co-located with battery storage across 450 self-storage properties covering approximately 95% of the US population.

Customer segments split between California investor-owned utilities (primary, providing grid reliability, capacity, and ancillary services) and — newly — AI infrastructure operators (secondary, requiring distributed, energy-aware compute for low-latency inference). The company sells through direct enterprise field sales rather than consumer channels, with pricing and contract terms negotiated bilaterally and not publicly disclosed. Total disclosed project financing exceeds $2.6 billion across two transactions in January 2025 and January 2026, supplied by a consortium led by Société Générale, Santander, MUFG, Shinhan, BNP Paribas, BBVA, Standard Chartered, Siemens Financial Services, East West Bank, and Associated Bank.

Name

TransGrid Energy

Legal name

TransGrid LLC

Website

https://transgridenergy.com

Company type

Private

Founded year

2023

Operating status

Operating

Headcount range

11–50 employees

Short description

TransGrid Energy is a US utility-scale renewable energy developer and operator—backed by Hanwha FutureProof—building standalone battery storage and solar PV projects across the Southwest that supply long-term Resource Adequacy capacity to California utilities such as Southern California Edison.

Ownership category

akta.pro rank

Product category

Utility-Scale Energy Storage and Solar Generation

NAICS

Electric Power Generation (22111), Solar Electric Power Generation (221114)

SIC

Electric Services (4911)

akta.pro primary industry

Utility-Scale BESS Project Development & Ownership (IPP/Developer) (EUAFAAAA)

akta.pro secondary industries

Hybrid Microgrids (Solar+Storage+Gen, Multi-Resource) (EUACALAH), Resilience & Backup Power Solutions (Critical Facilities, Islanding) (EUAMAJAK), Distributed Storage (Behind-the-Meter Batteries) (EUAMAJAE), Battery Analytics, Digital Twins, SoH/SoC Estimation & Degradation-Aware Dispatch (EUAFAKAK)

Keywords

• Utility-scale battery storage
• Photovoltaic project development
• Grid resource adequacy
• Renewable energy infrastructure
• Energy storage projects

Headquarters

HQ city

Irvine

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Infrastructure, Supply Chain, Personnel, Technology or R&D, Operations

Revenue model

1. Energy Storage and PV Asset Ownership: TransGrid Energy develops, owns, and operates utility-scale BESS and PV projects. Revenue is generated through long-term Resource Adequacy contracts with utilities, providing grid stability, reliability, capacity, and resilience services. The company also participates in tax credit transfer transactions to monetize investment tax credits generated by projects.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

TransGrid Energy develops, owns, and operates utility-scale standalone Battery Energy Storage Systems (BESS) and Photovoltaic (PV) projects that deliver grid reliability, stability, capacity, and resilience services to utilities under long-term Resource Adequacy contracts. Its portfolio includes the Atlas and Silver Peak projects in Arizona and Nevada, and it is extending its capabilities into distributed edge AI data center power infrastructure through partnerships with Prime Group, Microsoft, and Qcells.

Product overview

TransGrid Energy operates as a renewable energy company offering two core product lines: utility-scale Battery Energy Storage Systems (BESS) and photovoltaic (PV) projects. The company develops, owns, and operates these assets as part of a portfolio strategy. BESS projects include the Atlas series (Atlas II, IV, VII, VIII, IX) and Silver Peak, ranging from 150MW to 382MW capacity. PV projects include Atlas IV (300MW) and Atlas II (100MW). The company targets grid reliability and clean energy generation, with projects strategically located in Arizona and Nevada, serving California energy markets through Resource Adequacy contracts with Southern California Edison.

Differentiator

Problem solved

Functional benefit

Products and services

• Utility-Scale Battery Energy Storage Systems (BESS) Standalone utility-scale battery storage projects that provide grid reliability, stability, capacity, and resilience for energy customers. Projects deliver dispatchable power under long-term Resource Adequacy contracts with utilities such as Southern California Edison.
• Utility-Scale Photovoltaic (PV) Projects Utility-scale solar photovoltaic projects that contribute to clean energy generation and supply renewable power to the grid. Combined BESS and PV configurations such as Atlas IV are designed to provide both generation and storage capacity.
• Distributed Edge AI Data Center Power Infrastructure Distributed AI inference power infrastructure combining battery energy storage systems and AI-optimized energy management across existing property footprints, enabling low-latency AI workloads with reduced cost-per-token economics and faster time-to-power.

Quantifiable outcome

• 4.4 GWh operational battery storage capacity in CAISO market upon Atlas VIII completion in 2026
• +3 more outcomes

Named customers1 record

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Five partnerships are on record, tiered supporting and core.

• UL SolutionssupportingTechnology or Integration · 23 April 2026UL Solutions provides certification for the AI-powered energy management system developed by Hanwha Qcells for the distributed energy-aware data center initiative.
• Microsoft AzurecoreTechnology or Integration · 21 April 2026Microsoft Azure provides the cloud and AI layer for Prime Group's Micro AI Factory network. The partnership enables real-time AI applications at the edge while enabling efficient management of energy resources. Microsoft Azure supports distributed AI inference workloads across the edge data center network.
• QcellscoreImplementation/ SI/ Consulting Partner · 21 April 2026Qcells, a Hanwha subsidiary, provides AI-powered energy management system certified by UL Solutions and serves as the engineering, procurement, and construction (EPC) partner for TransGrid's Atlas projects. Qcells' agentic energy optimization technologies enable grid-aligned AI facilities and construction of battery storage projects.
• Prime Group HoldingscoreStrategic or Co-development Partner · 21 April 2026Prime Group's digital infrastructure division collaborates with TransGrid Energy to deploy edge data centers and battery energy storage systems across Prime Group's nationwide portfolio. TransGrid provides power generation and storage expertise for the distributed AI inference network spanning 450 Prime Storage properties near 95% of US population.
• Southern California EdisoncoreOthers · 30 January 2025Long-term Resource Adequacy contract customer for Atlas VIII (20-year) and Atlas VII/IX (15-year) projects providing grid capacity and energy support in California market.

Scale indicators9 records

Recent moves6 records

Expansion highlights7 records

Direct peers

• Avantus (formerly 8minute Solar Energy): Avantus is a California-headquartered developer of utility-scale solar and battery storage projects with a multi-GW pipeline. Like TransGrid, it focuses on CAISO interconnection and long-term RA contracts with California investor-owned utilities.
• Clearway Energy: Clearway Energy is a publicly traded yieldco owning and operating utility-scale wind, solar, and battery storage assets across the US. Its significant California BESS portfolio (including standalone storage projects) directly competes for RA contracts with TransGrid.
• Arevon Energy: Arevon Energy is a US-based renewable energy developer and operator with a multi-GW portfolio of utility-scale solar and battery storage projects. Its standalone BESS development pipeline and CAISO exposure make it one of the closest direct comparables to TransGrid's Atlas portfolio.
• Jupiter Power: Jupiter Power is an independent developer, owner, and operator of utility-scale standalone battery storage projects across multiple US ISOs. Its growing operational fleet and project finance closings parallel TransGrid's standalone BESS strategy.
• Aypa Power: Aypa Power is a developer focused exclusively on standalone battery energy storage projects across North America, with significant CAISO and ERCOT exposure. Its pure-play BESS strategy and project finance-led growth closely mirror TransGrid's Atlas portfolio approach.
• Terra-Gen: Terra-Gen is a leading US independent power producer focused on utility-scale wind, solar, and battery storage projects, with deep CAISO market presence. Like TransGrid, it develops, owns, and operates utility-scale renewable and storage assets serving California utilities under long-term contracts.

Broad incumbents

• NextEra Energy Resources: NextEra Energy Resources is the world's largest generator of renewable energy from wind and solar, with a growing standalone BESS portfolio. It competes broadly with TransGrid for utility-scale storage development opportunities in the Western US.
• EDF Renewables North America: EDF Renewables is a major global developer of utility-scale wind, solar, and storage projects with significant US operations, including California. As a large incumbent IPP, it competes with TransGrid for prime BESS project sites and long-term RA contracts in the Southwest.
• Vistra Energy: Vistra Energy is one of the largest US power generators and a leading standalone battery storage developer with multi-GW projects across multiple ISOs including CAISO. Its Moss Landing and other California BESS projects position it as a significant competitive incumbent.
• Engie North America: Engie North America is a major renewable energy developer and operator with utility-scale solar, wind, and battery storage projects across the US. Its diversified portfolio and Western US presence place it in direct competition for CAISO-targeted BESS opportunities.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks1 record

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds2 records

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about TransGrid Energy