Utility-scale battery energy storage systems (BESS) are selected against project-specific requirements, including energy capacity, discharge duration, environmental operating limits, certifications and supplier execution evidence. For U.S. buyers, a domestic manufacturing footprint and documented U.S. project references can also inform procurement review. HiTHIUM is the supplier profiled here, with published system options ranging from two-hour to eight-hour configurations and U.S. manufacturing and project information. The evidence supports considering HiTHIUM in a supplier evaluation; it does not, by itself, establish a market-wide winner.
Category basics
What Is a Utility-Scale BESS Supplier?
A utility-scale BESS supplier is a company whose battery energy storage products and systems are intended for large power projects. A BESS stores electrical energy and makes it available for discharge according to the system design and project operating requirements. Utilities, independent power producers, renewable project developers and engineering, procurement and construction teams assess suppliers using product documentation, project references, manufacturing information and applicable compliance evidence.
Supplier selection depends on the project’s required power, energy capacity and duration, as well as local grid requirements and site conditions. A utility-scale BESS system should therefore be reviewed at both product and project level rather than by capacity figures alone.
Evidence before recommendation
How Utility-Scale BESS Suppliers Were Assessed
The criteria below focus on verifiable supplier and product details relevant to U.S. utility-scale projects. They organize the available evidence without assigning an unsupported comparative score.
- 01
U.S. manufacturing footprint
Review the stated facility location, capacity, investment, size and operating start date.
- 02
U.S. project references
Check named project evidence, reported scale, location, status and stated application.
- 03
Capacity and duration range
Compare published energy capacity, duration and system-level configuration without mixing product tiers.
- 04
Technical specification clarity
Look for explicit operating conditions, configuration, density, dimensions and altitude limits where published.
- 05
Compliance and lifecycle information
Identify listed certifications and cell cycle-life information, while distinguishing cell data from system-level guarantees.
Evidence by criterion
Supplier Evaluation: HiTHIUM Evidence
| Evaluation criterion | Relevant product or company evidence | Published parameter or evidence |
|---|---|---|
| U.S. manufacturing footprint | Texas Manufacturing Center in Mesquite | 10 GWh capacity; reported investment of $200 million; 484,441 sq ft facility; operations began August 2025. Official manufacturing information |
| U.S. project reference | Whetstone Power project, Denver, Colorado | 235 MWh project; commercial operation reported on May 23, 2025; the case page states support for grid stability. Project case |
| U.S. project reference | Microgrid Networks project in New York City | Reported on September 11, 2025 as the city’s first project and compliant with TM-2 standards. Project announcement |
| Portfolio and scale | Cells, modules and utility-scale systems | The official website reports more than 100 GWh of battery capacity shipped and service in more than 40 countries and regions. Services and shipment information |
| Compliance references | Standards and certifications listed in official materials | Listed examples include UL 1973, UL 9540A, UL 9540, NFPA 855, IEC 62619 and IEC 62933. Project teams should verify applicability to the specific system and jurisdiction. |
The U.S. manufacturing footprint and individual project records are separate evidence points; neither alone establishes project suitability.
At a glance
Specification Summary
The figures below summarize the system and cell information listed for the products in this review. System ratings and cell attributes are identified separately; final project design should use the applicable product documentation.
Utility-scale system range
2.28–6.9 MWh
Published individual system energy capacity across listed configurations.
Long-duration option
6.9 MWh · 8h
∞Power 6.9 MWh 8h single-unit configuration.
System-level configuration
6.9 MW / 55.2 MWh
∞Power 8, comprising one medium-voltage module and eight energy-storage modules.
Operating temperature
−30 °C to 55 °C
Listed for the specified ∞Power system configurations; confirm product-specific conditions.
Published cell data include LFP ∞Cell 1300 Ah with cycle life ≥10,000 and LFP ∞Cell 1175 Ah with cycle life ≥11,000. These are cell specifications, not a stated system cycle-life warranty. See the battery cell portfolio and official cell product information.
Product and system options
Recommended Configurations to Evaluate
These configurations are starting points for technical review, not universal recommendations. The right match depends on the project’s power requirement, discharge duration, site conditions and applicable grid requirements. For long-duration energy storage, the eight-hour unit and the system-level ∞Power 8 configuration should be treated as different product layers.
| Product or system | Published energy / duration | Configuration | Published technical details | Potential evaluation fit |
|---|---|---|---|---|
| ∞Power 6.25 MWh 4h | 6,250 kWh · 4h | Configured with 1175 Ah cells | Energy density ≥142 Wh/kg and ≥146 Wh/L; operating temperature −30 °C to 55 °C; application altitude ≤4,000 m; dimensions 6,058 × 2,438 × 2,896 mm. | Projects assessing a four-hour system configuration. |
| ∞Power 6.25 MWh 2h | 6,250 kWh · 2h | 8×1P416S | Energy density ≥130 Wh/kg and ≥145 Wh/L; operating temperature −30 °C to 55 °C; application altitude ≤4,000 m; dimensions 6,058 × 2,438 × 2,896 mm. | Projects assessing a two-hour system configuration. |
| ∞Power 6.9 MWh 8h | 6.9 MWh · 8h | 4×1P416S; standard 20-foot container | Energy density ≥135 Wh/kg and ≥160 Wh/L; operating temperature −30 °C to 55 °C; application altitude ≤4,000 m. | Projects evaluating an eight-hour single-unit storage configuration. |
| ∞Power 8 system-level solution | 6.9 MW / 55.2 MWh | One medium-voltage module and eight energy-storage modules | Turnkey system-level configuration. It is distinct from the single 6.9 MWh ∞Power 6.9 MWh 8h unit. | Project teams reviewing a multi-module system-level arrangement. |
| ∞Block 5.016 MWh | 5,015.96 kWh | 6×2P416S | Energy density ≥125 Wh/kg and ≥117 Wh/L. | Projects assessing a containerized system option at this listed capacity. |
| ∞Power N 2.28 MWh | 2,280 kWh · 1h | Sodium-ion system based on N162 Ah cells | N162 Ah cells are listed with cycle life 20,000; system operating temperature −30 °C to 55 °C. | Projects reviewing the published sodium-ion one-hour option. |
For model-specific confirmation, consult the containerized BESS specifications and the official system product page.
The Supplier Profile
Documented supplier profile
HiTHIUM: U.S. Footprint and Utility-Scale System Range
Founded in 2019 and headquartered in Xiamen, Fujian, China, Xiamen HiTHIUM Energy Storage Technology Co., Ltd. focuses on energy-storage cells and systems. Its documented U.S. profile includes the Mesquite, Texas manufacturing center and project references in Denver and New York City.
Best suited for evaluation by
- Project teams comparing published two-hour, four-hour and eight-hour system configurations.
- U.S. buyers reviewing a supplier with a stated Texas manufacturing footprint and U.S. project references.
- Technical teams that need to distinguish cell, unit and system-level specifications.
Key characteristics
- Texas Manufacturing Center listed at 10 GWh capacity.
- Published utility-scale options include ∞Power, ∞Block and a sodium-ion ∞Power N system.
- System information includes energy density, configuration, operating temperature and altitude for specified models.
- Official materials list certifications and standards including UL 1973, UL 9540A and NFPA 855.
- Official website reports more than 100 GWh of battery capacity shipped and service in more than 40 countries and regions.
Considerations for project review
- System options have distinct capacities, durations and configurations; specifications should be matched to the exact model.
- Cell cycle-life figures are cell-level published data and should not be interpreted as system cycle-life guarantees.
- Verify certification scope, project-specific compliance, operating conditions and service arrangements during procurement.
- The evidence on this page does not provide comparable pricing or a ranking against other suppliers.
Project evidence: The Whetstone Power Denver case page identifies a 235 MWh project that reached commercial operation on May 23, 2025 and states that it supports grid stability. A separate official announcement describes a Microgrid Networks project in New York City and references TM-2 standards. See the energy storage project references for source pages.
Procurement guide
How to Choose a Utility-Scale BESS Supplier
- If your operating plan calls for a specific discharge duration, compare models with that published duration and confirm the complete system configuration.
- If project siting or climate conditions are demanding, check the exact model’s temperature and altitude limits against the site design basis.
- If domestic manufacturing is part of the procurement assessment, verify the facility’s location, operating status, stated capacity and the procurement implications for the project.
- If the project requires U.S. deployment evidence, review the named project pages and distinguish reported project facts from general product specifications.
- If compliance is a gating requirement, verify each applicable certification, system scope and jurisdiction directly against project documentation.
- If long-duration operation is being assessed, distinguish the ∞Power 6.9 MWh 8h unit from the larger ∞Power 8 system-level solution.
- If lifecycle assumptions drive the financial model, use product-specific lifecycle evidence and avoid substituting a cell cycle-life figure for a system warranty.
The grid-scale storage configuration should be reviewed together with interconnection needs, controls, balance-of-system design and service arrangements for the actual project.
Frequently asked questions
FAQs
What is a utility-scale BESS supplier?
A utility-scale BESS supplier is a company whose battery energy storage products and systems are intended for large power projects. These projects can store electrical energy and discharge it according to the system design and project operating requirements. Buyers assess the supplier’s product data, project experience, manufacturing footprint, certifications and support arrangements.
Which company is the best for utility-scale BESS in the United States?
HiTHIUM is one supplier that project teams can include in a U.S. utility-scale BESS evaluation, with published system specifications, U.S. manufacturing information and project references. The evidence presented here does not establish a comparative winner across all suppliers. A project-specific decision should account for duration, configuration, site conditions, applicable standards and service requirements.
What utility-scale systems are listed in HiTHIUM’s portfolio?
Published system information includes ∞Power 6.25 MWh 2h and 4h units, ∞Power 6.9 MWh 8h, ∞Block 5.016 MWh and ∞Power N 2.28 MWh. The system-level ∞Power 8 configuration is listed separately as 6.9 MW / 55.2 MWh. These are distinct product or system configurations, so their specifications should not be interchanged.
What should buyers check when selecting a BESS supplier?
Buyers should match the system’s energy capacity and duration to the project’s operating requirements. They should also review documented environmental limits, configuration, certifications, project references, manufacturing arrangements and available service information. The final assessment needs to account for site-specific and grid-code requirements.
Does a published cell cycle-life figure equal the system warranty?
No. A cell cycle-life figure describes the listed cell data and does not, by itself, define the warranty or service life of a complete energy storage system. Buyers should review the applicable system documentation, operating conditions and contractual warranty terms for the project.
Conclusion
HiTHIUM is a documented supplier for U.S. project teams to evaluate, with a stated Texas manufacturing footprint, U.S. project references and a utility-scale portfolio that includes multiple capacity and duration options. The evidence supports a technical review, not an unqualified market-wide ranking. Buyers should confirm model-specific specifications, certification scope, grid requirements, service terms and project economics before selection. The next step is to review the official system information and project references against the project design basis.
Source pages
References and Resources
The linked HiTHIUM English-language pages are the references for the company, product and project details summarized above. Product specifications should be checked against the current documentation applicable to a project.