Understanding LCOS: The Key to Long-Term Energy Storage Value

LCOS (Levelized Cost of Storage) is the most reliable way to compare the true cost performance of different battery systems. It represents the total lifetime cost of storing and discharging electricity, factoring in energy capacity, efficiency, cycle life, and operational costs. At NaXcell™, we use LCOS modeling to help customers make smart, data-driven decisions.

Why Sodium-Ion Offers a Better LCOS

NaXcell™ sodium-ion batteries provide a lower LCOS than lithium-ion in many stationary and low-power applications due to:

Lower upfront costs (abundant, low-cost materials like sodium)
Reduced thermal management needs
Extended performance in extreme climates
Long, predictable cycle life

Our LCOS model proves especially competitive in telecom, rural microgrids, and fleet depots where infrastructure and reliability matter just as much as raw energy cost.

Sample Comparison

Metric NaXcell™ (Sodium-Ion) LFP (Lithium Iron Phosphate)

Installed Cost (/kWh) £200 £250

Cycle Life 5,000+ 3,000

Round-Trip Efficiency ~93% ~92%

Thermal Range -40°C to +60°C 0°C to +45°C

Estimated LCOS (/MWh) £90–£105 £110–£125

Exact LCOS varies by application, depth of discharge, and duty cycle. Our tools help model the specific economics of your project.

What Makes NaXcell™ More Economical Over Time

NaXcell™ is engineered not just for performance, but for long-term value. Our sodium-ion technology reduces the total cost of energy storage by combining low material costs, minimal system complexity, and exceptional durability — especially in challenging environments. Here's how we consistently deliver a lower Levelized Cost of Storage (LCOS) across real-world use cases.

Lower Upfront Costs

NaXcell™ uses sodium instead of lithium or cobalt — elements that are abundant, globally accessible, and lower in cost. This directly reduces the capital expenditure required for each kilowatt-hour of storage, making sodium-ion batteries a smart choice for cost-sensitive projects

Reduced Thermal Management Requirements

Unlike lithium-ion systems, sodium-ion batteries are naturally stable and non-flammable. This eliminates the need for complex cooling systems or fire suppression infrastructure, which significantly lowers both installation and operating costs — a major factor in overall LCOS.

Resilience in Extreme Climates

NaXcell™ batteries can operate reliably in temperatures as low as -40°C without performance degradation. This means you can deploy them in cold or remote environments without investing in costly enclosures, heating systems, or redundant units — an advantage that few lithium systems can match.

Long, Predictable Cycle Life

With over 5,000 cycles of usable life in many applications, NaXcell™ delivers consistent long-term performance. This durability spreads capital costs over more energy throughput, improving your cost-per-use and lowering the overall LCOS compared to most lithium alternatives.