EticaAG vs. EVLO:
Which Battery Storage Solution is Better for You?
If you’re evaluating battery storage options, you’re not just comparing kilowatt-hours; you’re choosing a strategy for safety, resilience, and long-term viability.
EticaAG and EVLO approach energy storage from fundamentally different angles. EVLO emphasizes grid integration and modular lithium-ion systems optimized for utility-scale and C&I deployments. Their focus is on proven chemistries and control systems designed to support clean energy transitions at scale.
EticaAG, on the other hand, is purpose-built for safety-critical environments. Its immersion-cooled architecture eliminates thermal propagation at the source. The HazGuard system neutralizes toxic and flammable gases during failure events, addressing growing concerns from regulators, insurers, and communities alike.
This comparison explores how the two companies differ in thermal design, fire risk mitigation, and deployment suitability. It is based on publicly available information and is designed to help stakeholders make informed decisions about which platform best fits their safety, operational, and compliance priorities.
Table of Contents
Company Overview
EticaAG
- Joint Venture established in 2024. ESS manufacturing since 2019
- Headquartered in Pittsburgh, PA, USA
- Manufacturing in Taiwan and USA (starting 2026)
- Focused on C&I, Microgrid, BTM & Critical Infrastructure Applications
- Differentiated by immersion cooling and hazardous gas neutralization to prevent fire propagation and protect against toxic gas release in lithium-ion systems
EVLO
- Subsidiary of Hydro-Québec, established in 2020
- Headquartered in Varennes, Québec, Canada
- Manufacturing and integration based in Québec, Canada
- Focused on Utility-Scale, C&I, and Microgrid Applications
- Differentiated by vertically integrated development, including proprietary energy management systems, lithium iron phosphate (LFP) chemistry, and modular containerized architecture designed for grid reliability and safety compliance
Large Scale Comparison
SYNERGY
| Technical Specs | EticaAG, Legion C20 | EVLO, SYNERGY |
|---|---|---|
|
Dimensions (in) |
240″ L × 96″ W × 108″ H |
240″ L × 96″ W × 114″ H |
|
Weight (lbs) |
About 75,000 lbs |
Not disclosed publicly |
|
Energy Capacity |
3.06 MWH |
5 MWH |
|
Power Output |
2-hour: 1,530 kW 4-hour: 765 kW |
2‑hour: 1.25 MW 4‑hour: 2.5MW |
|
Battery Chemistry |
Prismatic Lithium-ion LFP |
Lithium-ion LFP |
|
Inverter Integration |
AC/DC capabilities with external inverter |
External SCADA-enabled inverter |
Large Scale Comparison
FLEX
| Technical Specs | EticaAG, Legion C20 | EVLO, FLEX |
|---|---|---|
|
Dimensions (in) |
240″ L × 96″ W × 108″ H |
240″ L × 96″ W × 114″ H |
|
Weight (lbs) |
About 75,000 lbs |
Up to 56,000 lbs |
|
Energy Capacity |
3.06 MWh |
Up to 2.5 MWh |
|
Power Output |
1,530 kW |
Up to 1,500 kW |
|
Battery Chemistry |
Prismatic Lithium-ion LFP |
Lithium-ion LFP |
|
Inverter Integration |
AC/DC capabilities with external inverter |
Integrated PCS |
Modular BESS Comparison
*NO SIMILAR EVLO PRODUCT
| Technical Specs | EticaAG, Power Cabinet 340 | EVLO, No Similar Product |
|---|---|---|
|
Dimensions (in) |
79″ L × 59″ W × 97″ H |
|
|
Weight (lbs) |
About 6,000 lbs |
|
|
Energy Capacity |
340 kWh |
|
|
Power Output |
160 kW |
|
|
Battery Chemistry |
Lithium-ion LFP |
|
|
Inverter Integration |
Integrated bi-directional AC inverter |
|
Safety Comparison
| Safety & Cooling | EticaAG | EVLO |
|---|---|---|
|
Cooling System |
Immersion cooling with dielectric & non-toxic liquid |
Air-cooled (EVLOFLEX) or liquid-cooled (EVLO SYNERGY)
|
|
Fire Suppression |
Cells submerged in fire-retardant liquid, immediately suppressing fire |
Fire suppression via passive and active venting, fast gas detection, external fire panel |
|
Propagation Control |
Liquid immersion isolates each cell to prevent thermal spread |
LFP chemistry, thermal barriers, and fire-resistant enclosures |
|
Gas Management |
HazGuard system for toxic and flammable gas neutralization |
Rapid hydrogen detection with automated venting and NFPA-compliant dilution (no neutralization) |
|
Cell Degradation |
Uniform thermal profile reduces stress and slows degradation 20% |
Air or liquid cooling may lead to uneven temperatures and faster aging |
Check out our full product lineup
Key Differences
EticaAG and EVLO offer advanced lithium-ion energy storage systems, but their design philosophies diverge significantly in critical areas like fire prevention, thermal regulation, gas management, and environmental suitability. While both companies support commercial and utility-scale deployments, their technologies reflect different safety priorities and engineering strategies.
Fire Suppression & Propagation Control
EticaAG designs for prevention, not just response. Its immersion cooling system submerges battery cells in a fire-retardant, dielectric liquid that passively halts thermal runaway and eliminates propagation risk without requiring active suppression.
EVLO uses layered safety systems including LFP chemistry, UL 9540A-certified enclosures, thermal barriers, fast-acting gas detection, and external fire panels (in EVLOFLEX). These systems aim to contain and vent fires once triggered, not prevent ignition at the cell level.
Thermal Management & Cell Degradation
EticaAG maintains uniform cell temperatures through immersion cooling, significantly reducing thermal cycling and hotspots. This extends battery life by up to 20%, particularly in high-use or high-temperature environments.
EVLO systems (EVLOFLEX and SYNERGY) use conventional air-cooled (FLEX) and liquid-cooled (SYNERGY) HVAC systems. These are effective for standard grid environments but may result in more temperature variation across the cell stack, contributing to greater cell degradation over time.
Hazardous Gas Management
EticaAG features HazGuard, a chemical gas neutralization system that converts hydrogen fluoride, carbon monoxide, and other toxic gases into inert compounds during thermal events, critical for enclosed or population-sensitive locations.
EVLO uses filtered venting and dilution via passive/active airflow (per NFPA 69), coupled with rapid gas detection. However, it does not neutralize toxic gases, which may require external exhaust pathways or additional mitigation layers in indoor or high-sensitivity zones.
Deployment Environments
EticaAG is built for indoor, urban, and high fire-threat zones. Its passive fire prevention and gas neutralization allow for safer deployment in residential communities, near hospitals, and in wildfire-prone areas where traditional lithium-ion systems face permitting hurdles.
EVLO targets utility-scale and commercial deployments where space and ventilation are available. SYNERGY and FLEX are optimized for outdoor use, grid connection, and modular scaling, particularly in large C&I or front-of-meter applications with established fire buffer zones.
The Better BESS For You Is...
Both EticaAG and EVLO offer advanced containerized lithium-ion energy storage systems, but their priorities around safety, cooling, and risk mitigation reflect very different design philosophies.
EticaAG is the better fit for projects where fire prevention, toxic gas neutralization, and thermal stability are non-negotiable. If your site is indoors, near sensitive populations, or located in a high fire-threat zone, EticaAG’s immersion-cooled architecture and HazGuard gas management system are purpose-built to deliver passive, fail-safe protection.
EVLO may be well-suited for utility-scale or outdoor deployments where air- or liquid-cooled systems are acceptable and where integration with grid-level SCADA or EMS platforms is a higher priority than cell-level fire prevention or gas control.
Ultimately, selecting the right BESS means understanding the risk tolerance, siting conditions, and resilience goals of your project. For installations that demand the highest level of safety and environmental compatibility, EticaAG delivers peace of mind by preventing, not just containing, failure events.
Safe. Resilient. Reliable.
Choose the Safer Path to Energy Storage
See how EticaAG’s fire- and gas-safe BESS solutions compare for your specific site and project requirements.