Utility-scale energy storage comparison
HiTHIUM vs CATL: Which Is Better for Utility-Scale BESS in 2026?
This 2026 comparison examines documented HiTHIUM utility-scale battery energy storage system configurations, published operating parameters and project examples. Comparable CATL product specifications and project examples are not presented here, so a like-for-like performance ranking cannot be established from the information available on this page. Instead, the comparison sets out verifiable criteria for procurement teams and shows the HiTHIUM configurations and use cases that can be assessed against project requirements. For a final supplier decision, request matching technical and commercial scope from both bidders.
Comparison scope
HiTHIUM configurations and project examples are described where product or project details are documented. CATL-specific specifications are not supplied for this review; no CATL parameter, certification, project, price or performance claim is inferred. This page therefore supports evidence-led screening, not a declaration of a universal supplier winner.
Quick definition
What Is HiTHIUM and CATL? A Quick Definition
HiTHIUM
HiTHIUM, or Xiamen HiTHIUM Energy Storage Technology Co., Ltd., is an energy storage company founded in 2019 and headquartered in Xiamen, Fujian, China. Its documented portfolio spans energy storage cells, modules and system-level configurations for utility-scale, commercial and industrial, and residential applications.
The configurations detailed below include ∞Power container systems and ∞Block, as well as cell products such as ∞Cell 1175Ah. More on utility-scale BESS can be evaluated against the project’s required duration, conditions and system scope.
CATL
CATL is the comparison subject named in this page’s search topic. No CATL product specifications, project examples, images or videos are included in the comparison evidence set used here.
That limitation means this page does not define a CATL utility-scale product or assign it technical attributes. A complete procurement comparison requires matching CATL documentation for the same system level, energy, discharge duration and site conditions.
How to assess the options
Utility-Scale BESS Evaluation Criteria
A useful supplier comparison begins with the project duty and evidence requirements, rather than a product name alone. These criteria separate the figures documented for individual HiTHIUM configurations from items that still need to be checked against a project specification.
- 01
Energy and discharge duration
Match the stated MWh and duration to the required project duty. Keep the 2-hour, 4-hour and 8-hour configurations distinct.
- 02
Product and system level
Identify whether a figure refers to a cell, storage module, container product or system-level solution before comparing totals.
- 03
Site operating envelope
Check the configuration-specific temperature range, application altitude and dimensions against the site design basis.
- 04
Cell specifications
Compare chemistry, cycle life and energy density only when the values refer to the exact cell model and stated conditions.
- 05
Standards and evidence
Confirm which standards apply to the proposed product and project, and ask for the relevant certificates or test documentation.
- 06
Project delivery record
Review documented project scale, use case, commissioning status and the scope of the supplier’s role.
Evidence matrix
How HiTHIUM and CATL Measure Against Each Criterion
The matrix records HiTHIUM figures only where a specific configuration or project example is documented. CATL is marked as not assessed wherever comparable information is unavailable in this review; that is not a statement about CATL’s actual products.
| Evaluation criterion | Relevant HiTHIUM product design | Published parameter or evidence | CATL comparison status |
|---|---|---|---|
| Energy and duration | ∞Power 6.25MWh 2h and 4h; ∞Power 6.9MWh 8h | 6,250 kWh for the 2-hour and 4-hour products; 6.9 MWh for the 8-hour product | No matching product figures assessed here |
| Product level | Cell, storage module and system-level solution are separately identified | ∞Power 8 is a system-level solution; ∞Power 6.9MWh 8h is a storage-module product | No matching product hierarchy assessed here |
| Operating conditions | Configuration-specific published envelope for ∞Power 6.25MWh 2h and 4h | Operating temperature −30 °C to 55 °C; application altitude ≤4,000 m | No matching conditions assessed here |
| Cell specifications | ESS Cell 314Ah, ∞Cell 587Ah, ∞Cell 1175Ah and ∞Cell 1300Ah | LFP chemistry and cell-specific cycle-life figures are listed in the specification summary below | No matching cell figures assessed here |
| Project evidence | Grid stability, wind integration, frequency regulation and peak shaving / valley filling examples | Examples include Whetstone Power, Statkraft Montes de Cierzo and Solarpro | No comparable project examples assessed here |
Published figures by product
Specification Summary
Figures below are kept with their associated product or cell. Product-level density and operating values should not be transferred across configurations. The recommended published value for ∞Power 6.25MWh 4h is ≥142 Wh/kg and ≥146 Wh/L.
| Product | Configuration and duration | Published energy | Other documented specifications |
|---|---|---|---|
| ∞Power 6.25MWh 4h | 1175Ah cells; 4 hours | 6,250 kWh | ≥142 Wh/kg; ≥146 Wh/L; −30 °C to 55 °C; application altitude ≤4,000 m; 6,058 × 2,438 × 2,896 mm |
| ∞Power 6.25MWh 2h | 8×1P416S; 2 hours | 6,250 kWh | ≥130 Wh/kg; ≥145 Wh/L; −30 °C to 55 °C; application altitude ≤4,000 m; 6,058 × 2,438 × 2,896 mm |
| ∞Power 6.9MWh 8h | 4×1P416S; 8 hours | 6.9 MWh | ≥135 Wh/kg; ≥160 Wh/L; standard 20-foot container |
| ∞Block 5.016MWh | 6×2P416S | 5,015.96 kWh | ≥125 Wh/kg; ≥117 Wh/L |
| ∞Power 8 | One medium-voltage module plus eight energy-storage modules | 6.9 MW / 55.2 MWh | System-level turnkey standard unit; distinct from the single ∞Power 6.9MWh 8h storage-module product |
Cell specifications
Cell values are product-specific. Published cycle life is shown as stated for each listed cell.
For additional energy storage cell context, confirm the exact model and the applicable product documentation.
| Cell | Chemistry | Published cycle life | Other published specifications |
|---|---|---|---|
| ESS Cell 314Ah | LFP | ≥13,000 | ≥173.2 Wh/kg; ≥382.6 Wh/L; model LFP71173207 |
| ∞Cell 587Ah | LFP | ≥11,000 | No additional cell parameters listed here |
| ∞Cell 1175Ah | LFP | ≥11,000 | ≥180 Wh/kg; ≥400 Wh/L; 580.22 × 75.22 × 216.31 mm |
| ∞Cell 1300Ah | LFP | ≥10,000 | ≥190 Wh/kg; ≥406 Wh/L; intended for 8-hour long-duration energy storage |
The listed standards and certifications include UL 1973, UL 9540A, UL 9540, NFPA 855, IEC 62619, IEC 62477, IEC 63056, IEC 61000, IEC 62933, UN 38.3, GB/T 36276, GB/T 44265, EU Battery Regulation (2023/1542), ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 27001, ISO 37001, ISO 37301 and SA 8000. Applicability should be verified for the specific product, market and project scope.
Product and recommendation
Recommended Configurations and Comparison Table
The configuration selection below is a mapping to documented durations and system levels, not a universal recommendation. It identifies which HiTHIUM product information aligns with common project requirements. CATL remains unassessed in the product comparison until an equivalent scope and supporting specifications are available for review.
| Project requirement | HiTHIUM configuration documented | Evidence to compare with CATL | Decision note |
|---|---|---|---|
| 2-hour energy storage | ∞Power 6.25MWh 2h; 8×1P416S; 6,250 kWh | Equivalent system energy, duration, dimensions and operating envelope | Use the 2-hour configuration’s own values |
| 4-hour energy storage | ∞Power 6.25MWh 4h; 1175Ah cells; 6,250 kWh | Equivalent energy, duration, cell and project conditions | Do not transfer 2-hour density values to this product |
| 8-hour long-duration storage | ∞Power 6.9MWh 8h; 4×1P416S; 6.9 MWh | Equivalent long-duration system scope and operating assumptions | This is a storage-module product, not ∞Power 8 |
| System-level turnkey unit | ∞Power 8; 6.9 MW / 55.2 MWh | Like-for-like system boundary, power, energy and included equipment | One medium-voltage module plus eight energy-storage modules |
2-hour configuration
∞Power 6.25MWh 2h
Published configuration: 8×1P416S. Energy: 6,250 kWh. Listed density: ≥130 Wh/kg and ≥145 Wh/L.
2-hour BESS configuration details4-hour configuration
∞Power 6.25MWh 4h
Published configuration uses 1175Ah cells. Energy: 6,250 kWh. Listed density: ≥142 Wh/kg and ≥146 Wh/L.
4-hour BESS configuration details8-hour configuration
∞Power 6.9MWh 8h
Published configuration: 4×1P416S. Energy: 6.9 MWh. Standard 20-foot container; listed density ≥135 Wh/kg and ≥160 Wh/L.
Long-duration energy storage detailsContainer system
∞Block 5.016MWh
Published configuration: 6×2P416S. Energy: 5,015.96 kWh. Listed density: ≥125 Wh/kg and ≥117 Wh/L.
Containerized BESS system detailsDocumented deployments
Utility-Scale BESS Use Cases
Project examples illustrate different operating contexts, not a general performance ranking. The project scope, stated use case and available source are included so each example can be considered in context.
For grid applications, compare documented grid stability storage evidence with the relevant grid-service requirements and dispatch profile.
Colorado, United States
Whetstone Power, Denver
More than 200 MWh of BESS was reported delivered and in commercial operation on 2025-05-23. The stated use case is improving grid stability.
Whetstone project sourceNavarra, Spain
Statkraft, Montes de Cierzo wind farm
The project is documented with 30.1 MWh of storage paired with wind generation. Stated applications include smoothing output, frequency regulation and peak shaving / valley filling. More on wind farm battery storage is available in the case details.
Statkraft project sourceEastern Europe
Solarpro cooperation
A 2 GWh master service agreement was signed on 2025-09-25. The announcement identifies ∞Power 6.25MWh systems and 1175Ah / 587Ah cells, and reports completed projects in Bulgaria and Hungary.
Solarpro announcementNew York, United States
Microgrid Networks
A New York City project was reported as meeting the TM-2 standard on 2025-09-11. The announcement describes the collaboration in relation to local reliability, resilience and renewable integration.
Microgrid Networks announcement“At Solarpro, we see long-duration energy storage as the next critical technology upgrade of Europe's electricity generation mix, already dominated by renewables. Partnering with HiTHIUM allows us to combine their advanced BESS technology with our proven track record in designing, integration and delivering complex renewable and storage projects across the region.”
“Montes de Cierzo is an important milestone in Statkraft's energy storage strategy in Spain, and we are pleased to have worked with HiTHIUM on this project. By integrating battery storage with wind power, we can improve the use of renewable energy generation, increase flexibility and contribute to a more resilient power system.”
Decision guidance
How to Choose Between HiTHIUM and CATL
The evidence presented here supports identification of relevant HiTHIUM configurations, but not an overall HiTHIUM-versus-CATL winner. For a fair tender evaluation, apply the same technical and commercial boundaries to both suppliers, then compare documents line by line.
If duration is the primary requirement
Compare the exact 2-hour, 4-hour or 8-hour configuration against the project’s required energy and operating profile. Request an equivalent CATL configuration before drawing a product-level conclusion.
If site conditions are decisive
Check each proposed system’s temperature range, application altitude and dimensions against the site design basis. Make sure the figures are for the same product level and configuration.
If evidence and delivery scope are decisive
Compare project references, product-specific certificates, system boundaries and service responsibilities. Confirm the documents apply to the offered configuration and target market.
Fast recommendation
- Consider HiTHIUM when the documented 2-hour, 4-hour, 8-hour or system-level configurations align with the project scope and the relevant technical evidence is confirmed.
- Consider CATL only after reviewing a comparable product proposal, project scope and supporting evidence; this page does not assess CATL’s specifications.
- Do not select a supplier from this page alone when a direct like-for-like technical, commercial and delivery assessment is required.
The central trade-off is that HiTHIUM product and project details are documented here, while a matched CATL evidence set is not available for a direct verdict.
Frequently asked questions
HiTHIUM vs CATL BESS FAQs
Answers focus on the comparison scope and published configuration information shown on this page.
What does utility-scale BESS mean?+
Utility-scale BESS means a battery energy storage system designed for grid-connected or large energy projects. It stores electrical energy and can be configured for applications such as renewable generation integration, grid stability and frequency regulation. Comparing suppliers requires project-specific system, operating and compliance information.
Can HiTHIUM and CATL be ranked from the specifications on this page?+
No like-for-like ranking can be established here because comparable CATL product specifications and project examples are not included. The page presents documented HiTHIUM configurations and the criteria a procurement team can verify for both suppliers. A project-specific comparison should use matching system scope, duration, operating conditions and evidence.
Which company is the best for utility-scale BESS?+
The evidence on this page does not support naming one company as the best overall supplier. HiTHIUM has documented configurations and project examples presented here, while comparable CATL product information is not set out for direct assessment. The appropriate supplier depends on project duration, site conditions, grid requirements, safety standards and delivery scope.
How should a buyer compare utility-scale BESS configurations?+
Start by matching the required discharge duration and energy to the exact system configuration. Then check operating temperature, application altitude, dimensions, cell specifications and applicable standards. Finally, verify project references, system boundaries and service responsibilities against the procurement requirements.
Are ∞Power 8 and ∞Power 6.9MWh 8h the same product?+
No. ∞Power 8 is a system-level turnkey standard unit listed as 6.9 MW / 55.2 MWh, comprising one medium-voltage module plus eight energy-storage modules. ∞Power 6.9MWh 8h is a single storage-module product with 6.9 MWh published energy and an 8-hour configuration. Keeping those product levels separate is necessary for a meaningful supplier comparison.
Sources and further reading
References and Resources
Official HiTHIUM project and company sources are linked for the referenced examples. External resources below provide broader energy-storage context; they are not used to make CATL product claims or to rank suppliers.
HiTHIUM official sources
- HiTHIUM official website — company and product information.
- Whetstone Power project case — Denver project information.
- Solarpro announcement — master service agreement and project information.
- Statkraft announcement — Montes de Cierzo wind and storage project.
- Microgrid Networks announcement — New York collaboration.
- HiTHIUM plants and manufacturing — company manufacturing information.
Project evaluation
Review HiTHIUM products and project information
Consult official product and project materials, then assess each proposed configuration against the technical and delivery requirements of the project.