Making reliable battery power
safer, ESG-aligned and simpler to deploy
Tessarock is a UK-founded company developing, building and integrating next-generation sodium-ion energy systems that replace lead-acid and lithium-ion batteries in applications where they already outperform, bringing greater supply chain security and long-term confidence to the energy transition.
Our software and hardware systems deliver long-life, stable performance, preventative maintenance with lower volatility and stronger ESG alignment, purpose-built for real-world field operations.
Current Battery Challenges
In a world of rising costs and growing ESG ambition, sodium-ion stands out as the stable, scalable path to sustainable infrastructure.
Surging
Demand
Battery demand expected 7× more batteries by 2030.
Sodium scales without lithium, nickel or cobalt, ensuring supply for all industries requiring storage solutions.
Source: Global Battery Alliance, McKinsey "Battery 2030"
Supply
Risks
75% of key minerals come from just 3 countries.
Sodium is not locked into lithium supply chain risks, offering stability for transitions.
Source: IEA “Batteries and Secure Energy Transitions,” 2023
Cost
Volatility
Lithium prices jumped 13× in two years, hitting budgets hard.
Reduce exposure with stable pricing with sodium global mineral abundance.
Source: Benchmark Minerals, IEA 2023
ESG
Challenges
90% of S&P 500 firms report ESG, however face scrutiny for gaps.
​​​Sodium cuts Scope 3 emissions and total carbon footprint by up to 40%.
Source: Capgemini Research Institute,“The Battery Revolution,” 2023,, IEA 2023 EV Outlook.
Supply
Shortfall
By 2030, battery supply could lag 25%, especially for non-EV applications.
Sodium ensures energy access where supply pressure, safety, and reliability matter most.
Source: IEA, “Batteries and Secure Energy Transitions,” 2023
Tessarock Battery Systems. Your Advantage.
High performance. Proven sodium stability. Intelligent Integration. Measurable ESG impact
Performance &
Resilience
8,000+
Cycles
-40 to 55 °C
Operating Temperatures
Each modular pack is a scalable building block engineered with intelligent BMS for consistent output and long cycle life.
Fast response, stable performance, and proven reliability across temperature extremes ensure uptime in real-world field operations.
Safer &
Sustainable
0%
of the criticals
Cobalt, Lithium, Nickel or Graphite
Each cell is built on inherently stable sodium chemistry that removes critical minerals and prevents volatile runaway cases.
Certified safety and transparent sourcing reduce operational risk while advancing long-term ESG and circular-economy goals.
Cost-Effective & Scalable
15x
Less Extraction Energy Than Lithium
Lower
Operational and Maintenance Cost
Sodium’s abundant, low-impact materials create a structural cost advantage and stable supply foundation.
Reduced cooling demand and slower degradation lower maintenance and TCO, delivering predictable economics at scale.
Tessarock Energy System & Transition
We streamline transition and system integration, helping sodium power systems deploy smoothly and deliver measurable operational and ESG progress.
Engineered for Confidence
Certified architecture built for long-term reliability, safety, and compliance.
Integration Made Simple
Full technical support for seamless system compatibility and real-world deployment.
ESG Impact You Can Measure
Designed to advance your sustainability goals for scope emission and lifecycle reductions.
Prove & Optimize In The Field
Performance optimized through pilot programs and site testing with your partners.
Tessarock Transition Program Industries
Confidently work with us to pilot your transitioning sodium-ion systems built for real-world performance, integration confidence, and measurable impact.
Telecom & Edge Sites
Reduce scope emissions and ensure uptime for your network​
Batteries drive ~25% of telecom infrastructure Scope 3 emissions, straining net zero goals as networks expand for 5G and IoT cities.
Remote edge sites demand relentless reliability. Tessarock sodium-ion systems deliver longer life, consistent uptime, and stable performance even in extreme temperatures.
Power your urban and remote networks with cleaner energy and fewer maintenance interruptions.
Microgrid & Renewable Infrastructure
Resilient, low-maintenance systems that allow you to scale cleanly
As renewable generation expands, storage developers face rising legacy mineral costs, growing material dependencies, supply volatility, and integration challenges.
Tessarock sodium-ion systems operate efficiently across wide temperature ranges, eliminating cooling requirements and reducing total ownership and maintenance costs.
Build power networks that scale with stability and simplicity.
Tessarock, powering the transition to safer, cleaner energy independence.