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# Eleven Energy

## Sitemaps
[XML Sitemap](https://www.elevenenergy.co.uk/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [Eleven Energy Expands into the Republic of Ireland](https://www.elevenenergy.co.uk/articles/eleven-energy-expands-into-ireland-with-5kw-inverters-and-galvani-batteries/): Eleven Energy Expands into Ireland with 5kW Inverters and Galvani Batteries
- [What Is It Like to Live With a Sodium-Ion Home Battery? Everything Electric Visits Eleven Energy Customers](https://www.elevenenergy.co.uk/articles/living-with-a-sodium-ion-home-battery-everything-electric/): Everything Electric has returned to Eleven Energy—this time to visit two homeowners who are already living with our latest sodium-ion battery systems.
- [Eleven Energy featured by pv magazine for sodium-ion storage platform](https://www.elevenenergy.co.uk/articles/eleven-energy-featured-by-pv-magazine-for-sodium-ion-storage-platform/): The article highlights our integrated approach to residential storage, combining sodium-ion battery modules, sodium-optimised hybrid inverters, AI-driven energy management, installer-friendly commissioning and tariff-aware optimisation.
- [Smart Tariffs: How to unlock the full potential of your home batteries](https://www.elevenenergy.co.uk/articles/smart-tariffs-how-to-unlock-the-full-potential-of-your-home-batteries/): A smart tariff is an electricity pricing plan that changes depending on when you use energy, rather than charging a flat rate all day. These tariffs are designed to reflect demand on the grid—meaning electricity is cheaper when demand is low and more expensive when demand is high.
- [Galvani Stackable Sodium-ion Battery Starts Rolling Out](https://www.elevenenergy.co.uk/articles/galvani-stackable-sodium-ion-battery-starts-rolling-out/): The long-awaited Galvani stackable sodium batteries have officially started shipping to customers across the UK. This is a major milestone for Eleven Energy to bring a truly modular sodium-ion solution to market — and it’s fantastic to see these systems now being installed in homes.
- [Eleven Energy is now a Smart Tech Partner with Octopus Energy](https://www.elevenenergy.co.uk/articles/eleven-energy-is-now-a-smart-tech-partner-with-octopus-energy/): We’re excited to announce that Eleven Energy is now officially listed as a Smart Tech Partner with Octopus Energy.
- [eFixx Installs and Reviews the Eleven Energy Sodium-Ion Home Battery System](https://www.elevenenergy.co.uk/articles/efixx-installs-and-reviews-the-eleven-energy-sodium-ion-home-battery-system/): We’re proud to share a brand-new, in-depth installation and review video from eFixx, showcasing the Eleven Energy sodium-ion home battery system in a real UK household.
This is the first time many homeowners — and even installers — will have seen sodium-ion technology deployed in a complete solar + battery setup.
- [Home Batteries: Could Sodium Be More Popular Than Lithium Soon? – Our Conversation with Gary Does Solar](https://www.elevenenergy.co.uk/articles/home-batteries-could-sodium-be-more-popular-than-lithium-soon-our-conversation-with-gary-does-solar/): Sodium-ion batteries have been making headlines in the energy world – but can they really compete with lithium in real homes? To explore that question properly, we invited Gary Waite from the Gary Does Solar YouTube channel to our studio in Cambridge. Gary sat down with Andy Rankin and Neil French to discuss the technology behind sodium-ion, how it performs in UK conditions, and why Eleven has launched the UK’s first fully integrated sodium-ion home battery system.
- [The Everything Electric Visits Eleven Energy: The Future of Home Batteries, Powered by Salt](https://www.elevenenergy.co.uk/articles/the-everything-electric-visits-eleven-energy-the-future-of-home-batteries-powered-by-salt/): The Everything Electric Show has just released a new episode spotlighting Eleven Energy — and it’s all about how sodium-ion batteries are transforming home energy storage in the UK. In the episode, presenter Imogen Bhogal visits Cambridge to explore two of our real-world installations: a 9 kWh and an impressive 36 kWh sodium battery system. Along the way, she speaks with Eleven Energy co-founders Andy Rankin and Neil French, as well as customers David Sargeant and Dr Lata Sahonta, who share their first-hand experience of living with sodium-ion storage.
- [Artisan Electrics Install Their First Sodium Battery](https://www.elevenenergy.co.uk/articles/artisan-electrics-install-their-first-sodium-battery/): We’re thrilled to share a brand-new video from Artisan Electrics, showcasing their first ever sodium-ion home battery installation using the Eleven Energy system — complete with 9.6 kWp solar, IP65 outdoor battery enclosures, hybrid inverter with EPS backup, and a full app-based commissioning.
- [Eleven Energy Showcases Sodium Innovation at Everything Electric Live](https://www.elevenenergy.co.uk/articles/eleven-energy-showcases-sodium-innovation-at-everything-electric-live/): Last weekend, Eleven Energy took part in Everything Electric Live at Farnborough — one of the UK’s leading events for clean energy, electric mobility, and sustainable living.
- [Eleven Energy on eFixx Live TV: Why Sodium is the Next Big Step Beyond Lithium](https://www.elevenenergy.co.uk/articles/eleven-energy-on-efixx-live-tv-why-sodium-is-the-next-big-step-beyond-lithium/): Our three cofounders — Yichen Shi, Andy Rankin, and Neil French — were recently invited to eFixx Live TV to introduce Eleven Energy and explain why sodium-ion batteries matter for the future of home energy storage.
- [⚡ Off-Grid, Lithium-Free: UK’s First Sodium-Ion System Powers an Independent Site](https://www.elevenenergy.co.uk/articles/%e2%9a%a1-off-grid-lithium-free-uks-first-sodium-ion-system-powers-an-independent-site/): We’re proud to share a major milestone for both Eleven Energy and the UK energy storage industry: our first off-grid sodium-ion battery system has been successfully installed and commissioned by Icore Security Ltd.
- [Smart. Sustainable. Sodium. How Eleven’s Smart Home Sodium Battery System Works](https://www.elevenenergy.co.uk/articles/smart-sustainable-sodium-how-elevens-smart-home-sodium-battery-system-works/): At Eleven, we’ve designed our home energy system to be smart, safe and sustainable — making it easier than ever for households to switch to clean energy.
- [🚀 We’re building the UK’s sodium battery installer network!](https://www.elevenenergy.co.uk/articles/%f0%9f%9a%80-were-building-the-uks-sodium-battery-installer-network/): Eleven has been partnering with forward-thinking solar and battery installers across the UK – from major national players like Joju Solar to respected regional names like Naked Solar: B-Corp, Natural Generation Ltd and Spartek, as well as a growing network of local firms: https://elevenenergy.co.uk/installer-partners
- [𝗢𝘃𝗲𝗿 𝟯𝟯𝗸𝗪𝗵 𝗼𝗳 𝗖𝗹𝗲𝗮𝗻 𝗘𝗻𝗲𝗿𝗴𝘆 𝗦𝘁𝗼𝗿𝗮𝗴𝗲 𝗜𝗻𝘀𝘁𝗮𝗹𝗹𝗲𝗱 𝗬𝗲𝘀𝘁𝗲𝗿𝗱𝗮𝘆](https://www.elevenenergy.co.uk/articles/%f0%9d%97%a2%f0%9d%98%83%f0%9d%97%b2%f0%9d%97%bf-%f0%9d%9f%af%f0%9d%9f%af%f0%9d%97%b8%f0%9d%97%aa%f0%9d%97%b5-%f0%9d%97%bc%f0%9d%97%b3-%f0%9d%97%96%f0%9d%97%b9%f0%9d%97%b2%f0%9d%97%ae%f0%9d%97%bb/): Proud to share this recent installation featuring 𝗲𝗶𝗴𝗵𝘁 of our sodium battery packs, delivering 𝗼𝘃𝗲𝗿 𝟯𝟯𝗸𝗪𝗵 𝗼𝗳 𝘂𝘀𝗮𝗯𝗹𝗲 𝘀𝘁𝗼𝗿𝗮𝗴𝗲 for a residential customer.
- [We Are Now Backed By The Nation’s Best Distributor](https://www.elevenenergy.co.uk/articles/we-are-now-backed-by-the-nations-best-distributor/): We’re proud to share that Midsummer Energy, one of the UK’s largest and fastest-growing renewable energy distributors is now a major strategic partner helping to accelerate our growth.
- [We’re Stocked and Ready to Deliver](https://www.elevenenergy.co.uk/articles/were-stocked-and-ready-to-deliver/): We’re excited to share that Eleven Energy’s inverter and sodium battery systems are now in stock at our partner Midsummer Energy’s nationwide distribution warehouse.
- [The Power of Speed: How Sodium-ion Batteries Achieve High Charge and Discharge Rates and Their Game-Changing Benefits](https://www.elevenenergy.co.uk/articles/the-power-of-speed-how-sodium-batteries-achieve-high-charge-and-discharge-rates-and-their-game-changing-benefits/): One of the key attributes that make sodium-ion batteries attractive is their high charge and discharge rates. These characteristics stem from the fundamental properties of sodium and the structure of sodium-ion battery components.
- [Sodium-ion Batteries: The Sustainable, Eco-Friendly Alternative to Lithium](https://www.elevenenergy.co.uk/articles/sodium-batteries-the-sustainable-eco-friendly-alternative-to-lithium/): While lithium batteries have been the primary solution for energy storage, they are increasingly linked to serious environmental and ethical concerns. The mining processes used for lithium can result in water shortages, soil degradation, and other significant environmental impacts.
- [The Science Behind Sodium-ion Batteries: Reliable Performance in Extreme Temperatures](https://www.elevenenergy.co.uk/articles/the-science-behind-sodium-batteries-reliable-performance-in-extreme-temperatures/): Sodium-ion batteries can operate between -20°C and 55°C, far exceeding the range of lithium batteries. This advantage is a direct result of their unique chemical composition and electrochemical properties, making sodium batteries a reliable solution in both freezing and hot conditions.
- [Sodium-ion Battery Applications in Residential and Grid-Scale Energy Storage](https://www.elevenenergy.co.uk/articles/sodium-battery-applications-in-residential-and-grid-scale-energy-storage/): Sodium-ion batteries are emerging as a viable alternative to lithium-ion technology, particularly in energy storage applications ranging from residential setups to large-scale grid systems. Their ability to handle temperature fluctuations, along with fast charge and discharge capabilities, positions them as a key player in the shift toward more resilient and sustainable energy systems.
- [Best Locations for Installing Your Sodium Battery System According to PAS 63100](https://www.elevenenergy.co.uk/articles/best-locations-for-installing-your-sodium-battery-system-according-to-pas-63100/): As residential energy storage systems (ESS) become more common, it’s important to ensure they are installed safely. This is where PAS 63100:2024 comes in. PAS 63100 is a specification that outlines fire safety guidelines for installing home battery energy storage systems in the UK. It provides clear instructions on how to minimise fire risks, where to safely install batteries, and what protective measures to take. While primarily aimed at professionals, these guidelines also help homeowners make informed decisions about safe battery installations.

## Pages
- [Homepage](https://www.elevenenergy.co.uk/)
- [Products](https://www.elevenenergy.co.uk/products/)
- [Installers](https://www.elevenenergy.co.uk/installers/)
- [Become a Partner](https://www.elevenenergy.co.uk/installers/become-a-partner/)
- [Resources](https://www.elevenenergy.co.uk/resources/)
- [Video Gallery](https://www.elevenenergy.co.uk/resources/videos/)
- [Articles](https://www.elevenenergy.co.uk/articles/)
- [Company](https://www.elevenenergy.co.uk/company/)
- [Frequently Asked Questions](https://www.elevenenergy.co.uk/frequently-asked-questions/)
- [Contact Us](https://www.elevenenergy.co.uk/contact/)
- [Terms and Conditions](https://www.elevenenergy.co.uk/terms-and-conditions/)
- [Privacy Policy](https://www.elevenenergy.co.uk/privacy-policy/)

## Products
- [North Sea Single-phase Hybrid Inverters](https://www.elevenenergy.co.uk/products/north-sea-inverters/): 3.6 kW, 5 kW & 6 kW single-phase hybrid inverters designed for sodium-ion battery systems
- [Galvani Stackable Sodium-ion Battery](https://www.elevenenergy.co.uk/products/galvani-sodium-ion-battery/): Compact, modular home energy storage designed for faster installation and smarter everyday performance.
- [Mediterranean Sea Single-phase Hybrid Inverters](https://www.elevenenergy.co.uk/products/mediterranean-sea-inverters/): 8 kW, 10 kW & 12 kW single-phase hybrid inverters designed for sodium-ion battery systems
- [Celtic Sea Three-phase Hybrid Inverter](https://www.elevenenergy.co.uk/products/celtic-sea-inverters/): 12 kW three-phase hybrid inverters designed for sodium-ion battery systems
- [StackLink DC Busbar](https://www.elevenenergy.co.uk/products/stacklink-dc-busbar/): Compact, modular home energy storage designed for faster installation and smarter everyday performance.
- [BridgeLink](https://www.elevenenergy.co.uk/products/bridgelink/): BridgeLink is a plug-and-play ethernet/wifi combi dongle that gives your inverter a rock-solid connection, through a hardwired ethernet link for maximum reliability.

## Resources
- [Galvani Sodium-ion Battery Datasheet](https://www.elevenenergy.co.uk/?resource=galvani-sodium-ion-battery-datasheet): Galvani Sodium-ion Battery Datasheet
- [Galvani Battery Verification of Conformity – General Product Safety Regulation Directive](https://www.elevenenergy.co.uk/?resource=galvani-battery-verification-of-conformity-general-product-safety-regulation-directive): Galvani Battery Verification of Conformity - General Product Safety Regulation Directive
- [Galvani Battery Certificate of Conformity – Electromagnetic Compatibility IEC EN 61000](https://www.elevenenergy.co.uk/?resource=galvani-battery-certificate-of-conformity-electromagnetic-compatibility-iec-en-61000-62920): Celtic Sea Hybrid Inverter Certificate of Conformity – Electromagnetic Compatibility IEC EN 61000
- [Celtic Sea Hybrid Inverter Certificate of Conformity – Electromagnetic Compatibility IEC EN 61000, 62920](https://www.elevenenergy.co.uk/?resource=celtic-sea-hybrid-inverter-certificate-of-conformity-electromagnetic-compatibility-iec-en-61000-62920): Celtic Sea Hybrid Inverter Certificate of Conformity – Electromagnetic Compatibility IEC EN 61000, 62920
- [Celtic Sea EL12K-3PH Hybrid Inverter Datasheet](https://www.elevenenergy.co.uk/?resource=celtic-sea-el12k-3ph-hybrid-inverter-datasheet): Celtic Sea Three-phase Hybrid Inverter Datasheet
- [Celtic Sea Hybrid Inverter Certificate of Conformity – Low Voltage Directive IEC 62477](https://www.elevenenergy.co.uk/?resource=celtic-sea-hybrid-inverter-certificate-of-conformity-low-voltage-directive-iec-62477): Celtic Sea Hybrid Inverter Certificate of Conformity – Low Voltage Directive IEC 62477
- [Celtic Sea Hybrid Inverter Certificate of Conformity – Low Voltage Directive IEC 62109](https://www.elevenenergy.co.uk/?resource=celtic-sea-hybrid-inverter-certificate-of-conformity-low-voltage-directive-iec-62109): Celtic Sea Three-phase Hybrid Inverter Certificate of Conformity – Low Voltage Directive IEC 62109
- [Celtic Sea Hybrid Inverter G100 Declaration](https://www.elevenenergy.co.uk/?resource=celtic-sea-hybrid-inverter-g100-declaration): Celtic Sea Hybrid Inverter G100 Declaration
- [Celtic Sea Hybrid Inverter G99 Certificate](https://www.elevenenergy.co.uk/?resource=celtic-sea-hybrid-inverter-g99-certificate): Celtic Sea Hybrid Inverter G99 Certificate
- [Mediterranean Sea EL12K Hybrid Inverter Datasheet](https://www.elevenenergy.co.uk/?resource=mediterranean-sea-el12k-hybrid-inverter-datasheet): Mediterranean Sea EL12K Hybrid Inverter Datasheet
- [Mediterranean Sea Hybrid Inverter Certificate of Conformity – Electromagnetic Compatibility IEC EN 61000](https://www.elevenenergy.co.uk/?resource=mediterranean-sea-hybrid-inverter-certificate-of-conformity-electromagnetic-compatibility-iec-en-61000): Mediterranean Sea Hybrid Inverter Certificate of Conformity – Electromagnetic Compatibility IEC EN 61000
- [Mediterranean Sea Hybrid Inverter Certificate of Conformity – Low Voltage Directive IEC 62477](https://www.elevenenergy.co.uk/?resource=mediterranean-sea-hybrid-inverter-certificate-of-conformity-low-voltage-directive-iec-62477): Mediterranean Sea Hybrid Inverter Certificate of Conformity – Low Voltage Directive IEC 62477
- [Mediterranean Sea Hybrid Inverter Certificate of Conformity – Low Voltage Directive IEC 62109](https://www.elevenenergy.co.uk/?resource=mediterranean-sea-hybrid-inverter-certificate-of-conformity-low-voltage-directive-iec-62109): Certificate of Conformity – Low Voltage Directive IEC 62109
- [Mediterranean Sea Hybrid Inverter G100 Declaration](https://www.elevenenergy.co.uk/?resource=mediterranean-sea-hybrid-inverter-g100-declaration): Mediterranean Sea Hybrid Inverter G100 Declaration
- [Mediterranean Sea Hybrid Inverter G99 Certificate](https://www.elevenenergy.co.uk/?resource=mediterranean-sea-hybrid-inverter-g99-certificate): Mediterranean Sea Hybrid Inverter G99 Certificate
- [Eleven Energy Product Brochure](https://www.elevenenergy.co.uk/?resource=eleven-energy-product-brochure): Eleven Energy Product Brochure
- [Eleven Energy Cybersecurity Declaration](https://www.elevenenergy.co.uk/?resource=eleven-energy-cybersecurity-declaration): Eleven Energy Cybersecurity Declaration
- [North Sea Hybrid Inverter – Certificate of Conformity – Low Voltage Directive](https://www.elevenenergy.co.uk/?resource=north-sea-hybrid-inverter-certificate-of-conformity-low-voltage-directive): North Sea Hybrid Inverter - Certificate of Conformity - Low Voltage Directive
- [North Sea Hybrid Inverter – Certificate of Conformity – Electromagnetic Compatibility](https://www.elevenenergy.co.uk/?resource=north-sea-hybrid-inverter-certificate-of-conformity-electromagnetic-compatibility): North Sea Hybrid Inverter - Certificate of Conformity - Electromagnetic Compatibility
- [North Sea Hybrid Inverter G98 Certificate](https://www.elevenenergy.co.uk/?resource=north-sea-hybrid-inverter-g98-certificate): North Sea 3.6 kW Hybrid Inverter G98 Certificate
- [North Sea Hybrid Inverter G100 declaration](https://www.elevenenergy.co.uk/?resource=north-sea-hybrid-inverter-g100-declaration): North Sea Hybrid Inverter G100 declaration
- [North Sea Hybrid Inverter G99 Certificate](https://www.elevenenergy.co.uk/?resource=north-sea-hybrid-inverter-g99-certificate): North Sea Hybrid Inverter G99 Certificate
- [Energy Device Monitoring via Shelly](https://www.elevenenergy.co.uk/?resource=energy-device-monitoring-via-shelly): Shelly power monitors and smart switches allow you to prevent your battery draining when your EV charger kicks in, monitor household loads, divert excess spare solar energy into an immersion heater and much more!
- [Intelligent Battery Optimisation Guide](https://www.elevenenergy.co.uk/?resource=intelligent-battery-optimisation-guide): If you move to a time-of-use tariff we can automatically optimise the times that you charge or discharge your battery - and help you save even more on your electricity bill. Better still, optimisation works year-round, meaning you can set and forget.
- [Eleven Energy Product Warranty](https://www.elevenenergy.co.uk/?resource=eleven-energy-product-warranty)
- [How to reset WiFi network](https://www.elevenenergy.co.uk/?resource=how-to-reset-wifi-network): This simple guide explains how to reset the inverter’s WiFi network after changing your broadband supplier.
- [EL6000 North Sea Hybrid Inverter Datasheet](https://www.elevenenergy.co.uk/?resource=el6000-north-sea-hybrid-inverter-datasheet): EL6000 North Sea Hybrid Inverter Datasheet
- [EL5000 North Sea Hybrid Inverter Datasheet](https://www.elevenenergy.co.uk/?resource=el5000-north-sea-hybrid-inverter-datasheet): EL5000 North Sea Hybrid Inverter Datasheet
- [EL3600 North Sea Hybrid Inverter Datasheet](https://www.elevenenergy.co.uk/?resource=el3600-north-sea-hybrid-inverter-datasheet): EL3600 North Sea Hybrid Inverter Datasheet
- [North Sea Single-phase Hybrid Inverter Installation Manual](https://www.elevenenergy.co.uk/?resource=north-sea-single-phase-hybrid-inverter-installation-manual): North Sea Single-phase Hybrid Inverter Installation Manual
- [Mediterranean Sea Single-phase Hybrid Inverter Installation Manual](https://www.elevenenergy.co.uk/?resource=mediterranean-sea-single-phase-hybrid-inverter-installation-manual): Mediterranean Sea Single-phase Hybrid Inverter Installation Manual
- [Celtic Sea Three-phase Hybrid Inverter Installation Manual](https://www.elevenenergy.co.uk/?resource=celtic-sea-three-phase-12kw-hybrid-inverter-installation-manual): Celtic Sea Three-phase Hybrid Inverter Installation Manual
- [Galvani Stackable Sodium-ion Battery Installation Manual](https://www.elevenenergy.co.uk/?resource=this-is-my-resource): Eleven Galvani Stackable Sodium-ion Battery Installation Manual